a82227ce4a
This allows drivers not to do any allocation in AllocStorage if the storage cannot be allocated because of an unsupported internalformat + samples combo. The little ugliness is that AllocStorage is expected to return TRUE in this case. Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
2896 lines
87 KiB
C
2896 lines
87 KiB
C
/*
|
|
* Mesa 3-D graphics library
|
|
* Version: 7.1
|
|
*
|
|
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
|
|
* Copyright (C) 1999-2009 VMware, Inc. All Rights Reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
|
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
|
|
/*
|
|
* GL_EXT/ARB_framebuffer_object extensions
|
|
*
|
|
* Authors:
|
|
* Brian Paul
|
|
*/
|
|
|
|
|
|
#include "buffers.h"
|
|
#include "context.h"
|
|
#include "enums.h"
|
|
#include "fbobject.h"
|
|
#include "formats.h"
|
|
#include "framebuffer.h"
|
|
#include "hash.h"
|
|
#include "image.h"
|
|
#include "macros.h"
|
|
#include "mfeatures.h"
|
|
#include "mtypes.h"
|
|
#include "renderbuffer.h"
|
|
#include "state.h"
|
|
#include "teximage.h"
|
|
#include "texobj.h"
|
|
|
|
|
|
/** Set this to 1 to debug/log glBlitFramebuffer() calls */
|
|
#define DEBUG_BLIT 0
|
|
|
|
|
|
/**
|
|
* Notes:
|
|
*
|
|
* None of the GL_EXT_framebuffer_object functions are compiled into
|
|
* display lists.
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
* When glGenRender/FramebuffersEXT() is called we insert pointers to
|
|
* these placeholder objects into the hash table.
|
|
* Later, when the object ID is first bound, we replace the placeholder
|
|
* with the real frame/renderbuffer.
|
|
*/
|
|
static struct gl_framebuffer DummyFramebuffer;
|
|
static struct gl_renderbuffer DummyRenderbuffer;
|
|
|
|
/* We bind this framebuffer when applications pass a NULL
|
|
* drawable/surface in make current. */
|
|
static struct gl_framebuffer IncompleteFramebuffer;
|
|
|
|
|
|
static void
|
|
delete_dummy_renderbuffer(struct gl_renderbuffer *rb)
|
|
{
|
|
/* no op */
|
|
}
|
|
|
|
static void
|
|
delete_dummy_framebuffer(struct gl_framebuffer *fb)
|
|
{
|
|
/* no op */
|
|
}
|
|
|
|
|
|
void
|
|
_mesa_init_fbobjects(struct gl_context *ctx)
|
|
{
|
|
_glthread_INIT_MUTEX(DummyFramebuffer.Mutex);
|
|
_glthread_INIT_MUTEX(DummyRenderbuffer.Mutex);
|
|
_glthread_INIT_MUTEX(IncompleteFramebuffer.Mutex);
|
|
DummyFramebuffer.Delete = delete_dummy_framebuffer;
|
|
DummyRenderbuffer.Delete = delete_dummy_renderbuffer;
|
|
IncompleteFramebuffer.Delete = delete_dummy_framebuffer;
|
|
}
|
|
|
|
struct gl_framebuffer *
|
|
_mesa_get_incomplete_framebuffer(void)
|
|
{
|
|
return &IncompleteFramebuffer;
|
|
}
|
|
|
|
/**
|
|
* Helper routine for getting a gl_renderbuffer.
|
|
*/
|
|
struct gl_renderbuffer *
|
|
_mesa_lookup_renderbuffer(struct gl_context *ctx, GLuint id)
|
|
{
|
|
struct gl_renderbuffer *rb;
|
|
|
|
if (id == 0)
|
|
return NULL;
|
|
|
|
rb = (struct gl_renderbuffer *)
|
|
_mesa_HashLookup(ctx->Shared->RenderBuffers, id);
|
|
return rb;
|
|
}
|
|
|
|
|
|
/**
|
|
* Helper routine for getting a gl_framebuffer.
|
|
*/
|
|
struct gl_framebuffer *
|
|
_mesa_lookup_framebuffer(struct gl_context *ctx, GLuint id)
|
|
{
|
|
struct gl_framebuffer *fb;
|
|
|
|
if (id == 0)
|
|
return NULL;
|
|
|
|
fb = (struct gl_framebuffer *)
|
|
_mesa_HashLookup(ctx->Shared->FrameBuffers, id);
|
|
return fb;
|
|
}
|
|
|
|
|
|
/**
|
|
* Mark the given framebuffer as invalid. This will force the
|
|
* test for framebuffer completeness to be done before the framebuffer
|
|
* is used.
|
|
*/
|
|
static void
|
|
invalidate_framebuffer(struct gl_framebuffer *fb)
|
|
{
|
|
fb->_Status = 0; /* "indeterminate" */
|
|
}
|
|
|
|
|
|
/**
|
|
* Return the gl_framebuffer object which corresponds to the given
|
|
* framebuffer target, such as GL_DRAW_FRAMEBUFFER.
|
|
* Check support for GL_EXT_framebuffer_blit to determine if certain
|
|
* targets are legal.
|
|
* \return gl_framebuffer pointer or NULL if target is illegal
|
|
*/
|
|
static struct gl_framebuffer *
|
|
get_framebuffer_target(struct gl_context *ctx, GLenum target)
|
|
{
|
|
switch (target) {
|
|
case GL_DRAW_FRAMEBUFFER:
|
|
return ctx->Extensions.EXT_framebuffer_blit && ctx->API == API_OPENGL
|
|
? ctx->DrawBuffer : NULL;
|
|
case GL_READ_FRAMEBUFFER:
|
|
return ctx->Extensions.EXT_framebuffer_blit && ctx->API == API_OPENGL
|
|
? ctx->ReadBuffer : NULL;
|
|
case GL_FRAMEBUFFER_EXT:
|
|
return ctx->DrawBuffer;
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Given a GL_*_ATTACHMENTn token, return a pointer to the corresponding
|
|
* gl_renderbuffer_attachment object.
|
|
* This function is only used for user-created FB objects, not the
|
|
* default / window-system FB object.
|
|
* If \p attachment is GL_DEPTH_STENCIL_ATTACHMENT, return a pointer to
|
|
* the depth buffer attachment point.
|
|
*/
|
|
struct gl_renderbuffer_attachment *
|
|
_mesa_get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
|
|
GLenum attachment)
|
|
{
|
|
GLuint i;
|
|
|
|
assert(_mesa_is_user_fbo(fb));
|
|
|
|
switch (attachment) {
|
|
case GL_COLOR_ATTACHMENT0_EXT:
|
|
case GL_COLOR_ATTACHMENT1_EXT:
|
|
case GL_COLOR_ATTACHMENT2_EXT:
|
|
case GL_COLOR_ATTACHMENT3_EXT:
|
|
case GL_COLOR_ATTACHMENT4_EXT:
|
|
case GL_COLOR_ATTACHMENT5_EXT:
|
|
case GL_COLOR_ATTACHMENT6_EXT:
|
|
case GL_COLOR_ATTACHMENT7_EXT:
|
|
case GL_COLOR_ATTACHMENT8_EXT:
|
|
case GL_COLOR_ATTACHMENT9_EXT:
|
|
case GL_COLOR_ATTACHMENT10_EXT:
|
|
case GL_COLOR_ATTACHMENT11_EXT:
|
|
case GL_COLOR_ATTACHMENT12_EXT:
|
|
case GL_COLOR_ATTACHMENT13_EXT:
|
|
case GL_COLOR_ATTACHMENT14_EXT:
|
|
case GL_COLOR_ATTACHMENT15_EXT:
|
|
/* Only OpenGL ES 1.x forbids color attachments other than
|
|
* GL_COLOR_ATTACHMENT0. For all other APIs the limit set by the
|
|
* hardware is used.
|
|
*/
|
|
i = attachment - GL_COLOR_ATTACHMENT0_EXT;
|
|
if (i >= ctx->Const.MaxColorAttachments
|
|
|| (i > 0 && ctx->API == API_OPENGLES)) {
|
|
return NULL;
|
|
}
|
|
return &fb->Attachment[BUFFER_COLOR0 + i];
|
|
case GL_DEPTH_STENCIL_ATTACHMENT:
|
|
if (ctx->API != API_OPENGL)
|
|
return NULL;
|
|
/* fall-through */
|
|
case GL_DEPTH_ATTACHMENT_EXT:
|
|
return &fb->Attachment[BUFFER_DEPTH];
|
|
case GL_STENCIL_ATTACHMENT_EXT:
|
|
return &fb->Attachment[BUFFER_STENCIL];
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* As above, but only used for getting attachments of the default /
|
|
* window-system framebuffer (not user-created framebuffer objects).
|
|
*/
|
|
static struct gl_renderbuffer_attachment *
|
|
_mesa_get_fb0_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
|
|
GLenum attachment)
|
|
{
|
|
assert(_mesa_is_winsys_fbo(fb));
|
|
|
|
switch (attachment) {
|
|
case GL_FRONT_LEFT:
|
|
return &fb->Attachment[BUFFER_FRONT_LEFT];
|
|
case GL_FRONT_RIGHT:
|
|
return &fb->Attachment[BUFFER_FRONT_RIGHT];
|
|
case GL_BACK_LEFT:
|
|
return &fb->Attachment[BUFFER_BACK_LEFT];
|
|
case GL_BACK_RIGHT:
|
|
return &fb->Attachment[BUFFER_BACK_RIGHT];
|
|
case GL_AUX0:
|
|
if (fb->Visual.numAuxBuffers == 1) {
|
|
return &fb->Attachment[BUFFER_AUX0];
|
|
}
|
|
return NULL;
|
|
|
|
/* Page 336 (page 352 of the PDF) of the OpenGL 3.0 spec says:
|
|
*
|
|
* "If the default framebuffer is bound to target, then attachment must
|
|
* be one of FRONT LEFT, FRONT RIGHT, BACK LEFT, BACK RIGHT, or AUXi,
|
|
* identifying a color buffer; DEPTH, identifying the depth buffer; or
|
|
* STENCIL, identifying the stencil buffer."
|
|
*
|
|
* Revision #34 of the ARB_framebuffer_object spec has essentially the same
|
|
* language. However, revision #33 of the ARB_framebuffer_object spec
|
|
* says:
|
|
*
|
|
* "If the default framebuffer is bound to <target>, then <attachment>
|
|
* must be one of FRONT_LEFT, FRONT_RIGHT, BACK_LEFT, BACK_RIGHT, AUXi,
|
|
* DEPTH_BUFFER, or STENCIL_BUFFER, identifying a color buffer, the
|
|
* depth buffer, or the stencil buffer, and <pname> may be
|
|
* FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE or
|
|
* FRAMEBUFFER_ATTACHMENT_OBJECT_NAME."
|
|
*
|
|
* The enum values for DEPTH_BUFFER and STENCIL_BUFFER have been removed
|
|
* from glext.h, so shipping apps should not use those values.
|
|
*
|
|
* Note that neither EXT_framebuffer_object nor OES_framebuffer_object
|
|
* support queries of the window system FBO.
|
|
*/
|
|
case GL_DEPTH:
|
|
return &fb->Attachment[BUFFER_DEPTH];
|
|
case GL_STENCIL:
|
|
return &fb->Attachment[BUFFER_STENCIL];
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Remove any texture or renderbuffer attached to the given attachment
|
|
* point. Update reference counts, etc.
|
|
*/
|
|
void
|
|
_mesa_remove_attachment(struct gl_context *ctx,
|
|
struct gl_renderbuffer_attachment *att)
|
|
{
|
|
if (att->Type == GL_TEXTURE) {
|
|
ASSERT(att->Texture);
|
|
if (ctx->Driver.FinishRenderTexture) {
|
|
/* tell driver that we're done rendering to this texture. */
|
|
ctx->Driver.FinishRenderTexture(ctx, att);
|
|
}
|
|
_mesa_reference_texobj(&att->Texture, NULL); /* unbind */
|
|
ASSERT(!att->Texture);
|
|
}
|
|
if (att->Type == GL_TEXTURE || att->Type == GL_RENDERBUFFER_EXT) {
|
|
ASSERT(!att->Texture);
|
|
_mesa_reference_renderbuffer(&att->Renderbuffer, NULL); /* unbind */
|
|
ASSERT(!att->Renderbuffer);
|
|
}
|
|
att->Type = GL_NONE;
|
|
att->Complete = GL_TRUE;
|
|
}
|
|
|
|
|
|
/**
|
|
* Bind a texture object to an attachment point.
|
|
* The previous binding, if any, will be removed first.
|
|
*/
|
|
void
|
|
_mesa_set_texture_attachment(struct gl_context *ctx,
|
|
struct gl_framebuffer *fb,
|
|
struct gl_renderbuffer_attachment *att,
|
|
struct gl_texture_object *texObj,
|
|
GLenum texTarget, GLuint level, GLuint zoffset)
|
|
{
|
|
if (att->Texture == texObj) {
|
|
/* re-attaching same texture */
|
|
ASSERT(att->Type == GL_TEXTURE);
|
|
if (ctx->Driver.FinishRenderTexture)
|
|
ctx->Driver.FinishRenderTexture(ctx, att);
|
|
}
|
|
else {
|
|
/* new attachment */
|
|
if (ctx->Driver.FinishRenderTexture && att->Texture)
|
|
ctx->Driver.FinishRenderTexture(ctx, att);
|
|
_mesa_remove_attachment(ctx, att);
|
|
att->Type = GL_TEXTURE;
|
|
assert(!att->Texture);
|
|
_mesa_reference_texobj(&att->Texture, texObj);
|
|
}
|
|
|
|
/* always update these fields */
|
|
att->TextureLevel = level;
|
|
att->CubeMapFace = _mesa_tex_target_to_face(texTarget);
|
|
att->Zoffset = zoffset;
|
|
att->Complete = GL_FALSE;
|
|
|
|
if (_mesa_get_attachment_teximage(att)) {
|
|
ctx->Driver.RenderTexture(ctx, fb, att);
|
|
}
|
|
|
|
invalidate_framebuffer(fb);
|
|
}
|
|
|
|
|
|
/**
|
|
* Bind a renderbuffer to an attachment point.
|
|
* The previous binding, if any, will be removed first.
|
|
*/
|
|
void
|
|
_mesa_set_renderbuffer_attachment(struct gl_context *ctx,
|
|
struct gl_renderbuffer_attachment *att,
|
|
struct gl_renderbuffer *rb)
|
|
{
|
|
/* XXX check if re-doing same attachment, exit early */
|
|
_mesa_remove_attachment(ctx, att);
|
|
att->Type = GL_RENDERBUFFER_EXT;
|
|
att->Texture = NULL; /* just to be safe */
|
|
att->Complete = GL_FALSE;
|
|
_mesa_reference_renderbuffer(&att->Renderbuffer, rb);
|
|
}
|
|
|
|
|
|
/**
|
|
* Fallback for ctx->Driver.FramebufferRenderbuffer()
|
|
* Attach a renderbuffer object to a framebuffer object.
|
|
*/
|
|
void
|
|
_mesa_framebuffer_renderbuffer(struct gl_context *ctx,
|
|
struct gl_framebuffer *fb,
|
|
GLenum attachment, struct gl_renderbuffer *rb)
|
|
{
|
|
struct gl_renderbuffer_attachment *att;
|
|
|
|
_glthread_LOCK_MUTEX(fb->Mutex);
|
|
|
|
att = _mesa_get_attachment(ctx, fb, attachment);
|
|
ASSERT(att);
|
|
if (rb) {
|
|
_mesa_set_renderbuffer_attachment(ctx, att, rb);
|
|
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
|
|
/* do stencil attachment here (depth already done above) */
|
|
att = _mesa_get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT);
|
|
assert(att);
|
|
_mesa_set_renderbuffer_attachment(ctx, att, rb);
|
|
}
|
|
rb->AttachedAnytime = GL_TRUE;
|
|
}
|
|
else {
|
|
_mesa_remove_attachment(ctx, att);
|
|
}
|
|
|
|
invalidate_framebuffer(fb);
|
|
|
|
_glthread_UNLOCK_MUTEX(fb->Mutex);
|
|
}
|
|
|
|
|
|
/**
|
|
* Fallback for ctx->Driver.ValidateFramebuffer()
|
|
* Check if the renderbuffer's formats are supported by the software
|
|
* renderer.
|
|
* Drivers should probably override this.
|
|
*/
|
|
void
|
|
_mesa_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
|
|
{
|
|
gl_buffer_index buf;
|
|
for (buf = 0; buf < BUFFER_COUNT; buf++) {
|
|
const struct gl_renderbuffer *rb = fb->Attachment[buf].Renderbuffer;
|
|
if (rb) {
|
|
switch (rb->_BaseFormat) {
|
|
case GL_ALPHA:
|
|
case GL_LUMINANCE_ALPHA:
|
|
case GL_LUMINANCE:
|
|
case GL_INTENSITY:
|
|
case GL_RED:
|
|
case GL_RG:
|
|
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
|
|
return;
|
|
|
|
default:
|
|
switch (rb->Format) {
|
|
/* XXX This list is likely incomplete. */
|
|
case MESA_FORMAT_RGB9_E5_FLOAT:
|
|
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
|
|
return;
|
|
default:;
|
|
/* render buffer format is supported by software rendering */
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* For debug only.
|
|
*/
|
|
static void
|
|
att_incomplete(const char *msg)
|
|
{
|
|
if (MESA_DEBUG_FLAGS & DEBUG_INCOMPLETE_FBO) {
|
|
_mesa_debug(NULL, "attachment incomplete: %s\n", msg);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* For debug only.
|
|
*/
|
|
static void
|
|
fbo_incomplete(const char *msg, int index)
|
|
{
|
|
if (MESA_DEBUG_FLAGS & DEBUG_INCOMPLETE_FBO) {
|
|
_mesa_debug(NULL, "FBO Incomplete: %s [%d]\n", msg, index);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Is the given base format a legal format for a color renderbuffer?
|
|
*/
|
|
GLboolean
|
|
_mesa_is_legal_color_format(const struct gl_context *ctx, GLenum baseFormat)
|
|
{
|
|
switch (baseFormat) {
|
|
case GL_RGB:
|
|
case GL_RGBA:
|
|
return GL_TRUE;
|
|
case GL_LUMINANCE:
|
|
case GL_LUMINANCE_ALPHA:
|
|
case GL_INTENSITY:
|
|
case GL_ALPHA:
|
|
return ctx->Extensions.ARB_framebuffer_object;
|
|
case GL_RED:
|
|
case GL_RG:
|
|
return ctx->Extensions.ARB_texture_rg;
|
|
default:
|
|
return GL_FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Is the given base format a legal format for a depth/stencil renderbuffer?
|
|
*/
|
|
static GLboolean
|
|
is_legal_depth_format(const struct gl_context *ctx, GLenum baseFormat)
|
|
{
|
|
switch (baseFormat) {
|
|
case GL_DEPTH_COMPONENT:
|
|
case GL_DEPTH_STENCIL_EXT:
|
|
return GL_TRUE;
|
|
default:
|
|
return GL_FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Test if an attachment point is complete and update its Complete field.
|
|
* \param format if GL_COLOR, this is a color attachment point,
|
|
* if GL_DEPTH, this is a depth component attachment point,
|
|
* if GL_STENCIL, this is a stencil component attachment point.
|
|
*/
|
|
static void
|
|
test_attachment_completeness(const struct gl_context *ctx, GLenum format,
|
|
struct gl_renderbuffer_attachment *att)
|
|
{
|
|
assert(format == GL_COLOR || format == GL_DEPTH || format == GL_STENCIL);
|
|
|
|
/* assume complete */
|
|
att->Complete = GL_TRUE;
|
|
|
|
/* Look for reasons why the attachment might be incomplete */
|
|
if (att->Type == GL_TEXTURE) {
|
|
const struct gl_texture_object *texObj = att->Texture;
|
|
struct gl_texture_image *texImage;
|
|
GLenum baseFormat;
|
|
|
|
if (!texObj) {
|
|
att_incomplete("no texobj");
|
|
att->Complete = GL_FALSE;
|
|
return;
|
|
}
|
|
|
|
texImage = texObj->Image[att->CubeMapFace][att->TextureLevel];
|
|
if (!texImage) {
|
|
att_incomplete("no teximage");
|
|
att->Complete = GL_FALSE;
|
|
return;
|
|
}
|
|
if (texImage->Width < 1 || texImage->Height < 1) {
|
|
att_incomplete("teximage width/height=0");
|
|
printf("texobj = %u\n", texObj->Name);
|
|
printf("level = %d\n", att->TextureLevel);
|
|
att->Complete = GL_FALSE;
|
|
return;
|
|
}
|
|
if (texObj->Target == GL_TEXTURE_3D && att->Zoffset >= texImage->Depth) {
|
|
att_incomplete("bad z offset");
|
|
att->Complete = GL_FALSE;
|
|
return;
|
|
}
|
|
|
|
baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
|
|
|
|
if (format == GL_COLOR) {
|
|
if (!_mesa_is_legal_color_format(ctx, baseFormat)) {
|
|
att_incomplete("bad format");
|
|
att->Complete = GL_FALSE;
|
|
return;
|
|
}
|
|
if (_mesa_is_format_compressed(texImage->TexFormat)) {
|
|
att_incomplete("compressed internalformat");
|
|
att->Complete = GL_FALSE;
|
|
return;
|
|
}
|
|
}
|
|
else if (format == GL_DEPTH) {
|
|
if (baseFormat == GL_DEPTH_COMPONENT) {
|
|
/* OK */
|
|
}
|
|
else if (ctx->Extensions.EXT_packed_depth_stencil &&
|
|
ctx->Extensions.ARB_depth_texture &&
|
|
baseFormat == GL_DEPTH_STENCIL_EXT) {
|
|
/* OK */
|
|
}
|
|
else {
|
|
att->Complete = GL_FALSE;
|
|
att_incomplete("bad depth format");
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
ASSERT(format == GL_STENCIL);
|
|
if (ctx->Extensions.EXT_packed_depth_stencil &&
|
|
ctx->Extensions.ARB_depth_texture &&
|
|
baseFormat == GL_DEPTH_STENCIL_EXT) {
|
|
/* OK */
|
|
}
|
|
else {
|
|
/* no such thing as stencil-only textures */
|
|
att_incomplete("illegal stencil texture");
|
|
att->Complete = GL_FALSE;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
else if (att->Type == GL_RENDERBUFFER_EXT) {
|
|
const GLenum baseFormat =
|
|
_mesa_get_format_base_format(att->Renderbuffer->Format);
|
|
|
|
ASSERT(att->Renderbuffer);
|
|
if (!att->Renderbuffer->InternalFormat ||
|
|
att->Renderbuffer->Width < 1 ||
|
|
att->Renderbuffer->Height < 1) {
|
|
att_incomplete("0x0 renderbuffer");
|
|
att->Complete = GL_FALSE;
|
|
return;
|
|
}
|
|
if (format == GL_COLOR) {
|
|
if (!_mesa_is_legal_color_format(ctx, baseFormat)) {
|
|
att_incomplete("bad renderbuffer color format");
|
|
att->Complete = GL_FALSE;
|
|
return;
|
|
}
|
|
}
|
|
else if (format == GL_DEPTH) {
|
|
if (baseFormat == GL_DEPTH_COMPONENT) {
|
|
/* OK */
|
|
}
|
|
else if (ctx->Extensions.EXT_packed_depth_stencil &&
|
|
baseFormat == GL_DEPTH_STENCIL_EXT) {
|
|
/* OK */
|
|
}
|
|
else {
|
|
att_incomplete("bad renderbuffer depth format");
|
|
att->Complete = GL_FALSE;
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
assert(format == GL_STENCIL);
|
|
if (baseFormat == GL_STENCIL_INDEX) {
|
|
/* OK */
|
|
}
|
|
else if (ctx->Extensions.EXT_packed_depth_stencil &&
|
|
baseFormat == GL_DEPTH_STENCIL_EXT) {
|
|
/* OK */
|
|
}
|
|
else {
|
|
att->Complete = GL_FALSE;
|
|
att_incomplete("bad renderbuffer stencil format");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
ASSERT(att->Type == GL_NONE);
|
|
/* complete */
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Test if the given framebuffer object is complete and update its
|
|
* Status field with the results.
|
|
* Calls the ctx->Driver.ValidateFramebuffer() function to allow the
|
|
* driver to make hardware-specific validation/completeness checks.
|
|
* Also update the framebuffer's Width and Height fields if the
|
|
* framebuffer is complete.
|
|
*/
|
|
void
|
|
_mesa_test_framebuffer_completeness(struct gl_context *ctx,
|
|
struct gl_framebuffer *fb)
|
|
{
|
|
GLuint numImages;
|
|
GLenum intFormat = GL_NONE; /* color buffers' internal format */
|
|
GLuint minWidth = ~0, minHeight = ~0, maxWidth = 0, maxHeight = 0;
|
|
GLint numSamples = -1;
|
|
GLint i;
|
|
GLuint j;
|
|
|
|
assert(_mesa_is_user_fbo(fb));
|
|
|
|
numImages = 0;
|
|
fb->Width = 0;
|
|
fb->Height = 0;
|
|
|
|
/* Start at -2 to more easily loop over all attachment points.
|
|
* -2: depth buffer
|
|
* -1: stencil buffer
|
|
* >=0: color buffer
|
|
*/
|
|
for (i = -2; i < (GLint) ctx->Const.MaxColorAttachments; i++) {
|
|
struct gl_renderbuffer_attachment *att;
|
|
GLenum f;
|
|
gl_format attFormat;
|
|
|
|
/*
|
|
* XXX for ARB_fbo, only check color buffers that are named by
|
|
* GL_READ_BUFFER and GL_DRAW_BUFFERi.
|
|
*/
|
|
|
|
/* check for attachment completeness
|
|
*/
|
|
if (i == -2) {
|
|
att = &fb->Attachment[BUFFER_DEPTH];
|
|
test_attachment_completeness(ctx, GL_DEPTH, att);
|
|
if (!att->Complete) {
|
|
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
|
|
fbo_incomplete("depth attachment incomplete", -1);
|
|
return;
|
|
}
|
|
}
|
|
else if (i == -1) {
|
|
att = &fb->Attachment[BUFFER_STENCIL];
|
|
test_attachment_completeness(ctx, GL_STENCIL, att);
|
|
if (!att->Complete) {
|
|
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
|
|
fbo_incomplete("stencil attachment incomplete", -1);
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
att = &fb->Attachment[BUFFER_COLOR0 + i];
|
|
test_attachment_completeness(ctx, GL_COLOR, att);
|
|
if (!att->Complete) {
|
|
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
|
|
fbo_incomplete("color attachment incomplete", i);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* get width, height, format of the renderbuffer/texture
|
|
*/
|
|
if (att->Type == GL_TEXTURE) {
|
|
const struct gl_texture_image *texImg =
|
|
_mesa_get_attachment_teximage(att);
|
|
minWidth = MIN2(minWidth, texImg->Width);
|
|
maxWidth = MAX2(maxWidth, texImg->Width);
|
|
minHeight = MIN2(minHeight, texImg->Height);
|
|
maxHeight = MAX2(maxHeight, texImg->Height);
|
|
f = texImg->_BaseFormat;
|
|
attFormat = texImg->TexFormat;
|
|
numImages++;
|
|
if (!_mesa_is_legal_color_format(ctx, f) &&
|
|
!is_legal_depth_format(ctx, f)) {
|
|
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
|
|
fbo_incomplete("texture attachment incomplete", -1);
|
|
return;
|
|
}
|
|
}
|
|
else if (att->Type == GL_RENDERBUFFER_EXT) {
|
|
minWidth = MIN2(minWidth, att->Renderbuffer->Width);
|
|
maxWidth = MAX2(minWidth, att->Renderbuffer->Width);
|
|
minHeight = MIN2(minHeight, att->Renderbuffer->Height);
|
|
maxHeight = MAX2(minHeight, att->Renderbuffer->Height);
|
|
f = att->Renderbuffer->InternalFormat;
|
|
attFormat = att->Renderbuffer->Format;
|
|
numImages++;
|
|
}
|
|
else {
|
|
assert(att->Type == GL_NONE);
|
|
continue;
|
|
}
|
|
|
|
if (att->Renderbuffer && numSamples < 0) {
|
|
/* first buffer */
|
|
numSamples = att->Renderbuffer->NumSamples;
|
|
}
|
|
|
|
/* check if integer color */
|
|
fb->_IntegerColor = _mesa_is_format_integer_color(attFormat);
|
|
|
|
/* Error-check width, height, format, samples
|
|
*/
|
|
if (numImages == 1) {
|
|
/* save format, num samples */
|
|
if (i >= 0) {
|
|
intFormat = f;
|
|
}
|
|
}
|
|
else {
|
|
if (!ctx->Extensions.ARB_framebuffer_object) {
|
|
/* check that width, height, format are same */
|
|
if (minWidth != maxWidth || minHeight != maxHeight) {
|
|
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT;
|
|
fbo_incomplete("width or height mismatch", -1);
|
|
return;
|
|
}
|
|
/* check that all color buffers are the same format */
|
|
if (intFormat != GL_NONE && f != intFormat) {
|
|
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
|
|
fbo_incomplete("format mismatch", -1);
|
|
return;
|
|
}
|
|
}
|
|
if (att->Renderbuffer &&
|
|
att->Renderbuffer->NumSamples != numSamples) {
|
|
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE;
|
|
fbo_incomplete("inconsistant number of samples", i);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* Check that the format is valid. (MESA_FORMAT_NONE means unsupported)
|
|
*/
|
|
if (att->Type == GL_RENDERBUFFER &&
|
|
att->Renderbuffer->Format == MESA_FORMAT_NONE) {
|
|
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
|
|
fbo_incomplete("unsupported renderbuffer format", i);
|
|
return;
|
|
}
|
|
}
|
|
|
|
#if FEATURE_GL
|
|
if (ctx->API == API_OPENGL && !ctx->Extensions.ARB_ES2_compatibility) {
|
|
/* Check that all DrawBuffers are present */
|
|
for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
|
|
if (fb->ColorDrawBuffer[j] != GL_NONE) {
|
|
const struct gl_renderbuffer_attachment *att
|
|
= _mesa_get_attachment(ctx, fb, fb->ColorDrawBuffer[j]);
|
|
assert(att);
|
|
if (att->Type == GL_NONE) {
|
|
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT;
|
|
fbo_incomplete("missing drawbuffer", j);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Check that the ReadBuffer is present */
|
|
if (fb->ColorReadBuffer != GL_NONE) {
|
|
const struct gl_renderbuffer_attachment *att
|
|
= _mesa_get_attachment(ctx, fb, fb->ColorReadBuffer);
|
|
assert(att);
|
|
if (att->Type == GL_NONE) {
|
|
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT;
|
|
fbo_incomplete("missing readbuffer", -1);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
(void) j;
|
|
#endif
|
|
|
|
if (numImages == 0) {
|
|
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
|
|
fbo_incomplete("no attachments", -1);
|
|
return;
|
|
}
|
|
|
|
/* Provisionally set status = COMPLETE ... */
|
|
fb->_Status = GL_FRAMEBUFFER_COMPLETE_EXT;
|
|
|
|
/* ... but the driver may say the FB is incomplete.
|
|
* Drivers will most likely set the status to GL_FRAMEBUFFER_UNSUPPORTED
|
|
* if anything.
|
|
*/
|
|
if (ctx->Driver.ValidateFramebuffer) {
|
|
ctx->Driver.ValidateFramebuffer(ctx, fb);
|
|
if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
|
|
fbo_incomplete("driver marked FBO as incomplete", -1);
|
|
}
|
|
}
|
|
|
|
if (fb->_Status == GL_FRAMEBUFFER_COMPLETE_EXT) {
|
|
/*
|
|
* Note that if ARB_framebuffer_object is supported and the attached
|
|
* renderbuffers/textures are different sizes, the framebuffer
|
|
* width/height will be set to the smallest width/height.
|
|
*/
|
|
fb->Width = minWidth;
|
|
fb->Height = minHeight;
|
|
|
|
/* finally, update the visual info for the framebuffer */
|
|
_mesa_update_framebuffer_visual(ctx, fb);
|
|
}
|
|
}
|
|
|
|
|
|
GLboolean GLAPIENTRY
|
|
_mesa_IsRenderbufferEXT(GLuint renderbuffer)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
|
|
if (renderbuffer) {
|
|
struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
|
|
if (rb != NULL && rb != &DummyRenderbuffer)
|
|
return GL_TRUE;
|
|
}
|
|
return GL_FALSE;
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
|
|
{
|
|
struct gl_renderbuffer *newRb;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
if (target != GL_RENDERBUFFER_EXT) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "glBindRenderbufferEXT(target)");
|
|
return;
|
|
}
|
|
|
|
/* No need to flush here since the render buffer binding has no
|
|
* effect on rendering state.
|
|
*/
|
|
|
|
if (renderbuffer) {
|
|
newRb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
|
|
if (newRb == &DummyRenderbuffer) {
|
|
/* ID was reserved, but no real renderbuffer object made yet */
|
|
newRb = NULL;
|
|
}
|
|
else if (!newRb && ctx->Extensions.ARB_framebuffer_object) {
|
|
/* All RB IDs must be Gen'd */
|
|
_mesa_error(ctx, GL_INVALID_OPERATION, "glBindRenderbuffer(buffer)");
|
|
return;
|
|
}
|
|
|
|
if (!newRb) {
|
|
/* create new renderbuffer object */
|
|
newRb = ctx->Driver.NewRenderbuffer(ctx, renderbuffer);
|
|
if (!newRb) {
|
|
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindRenderbufferEXT");
|
|
return;
|
|
}
|
|
ASSERT(newRb->AllocStorage);
|
|
_mesa_HashInsert(ctx->Shared->RenderBuffers, renderbuffer, newRb);
|
|
newRb->RefCount = 1; /* referenced by hash table */
|
|
}
|
|
}
|
|
else {
|
|
newRb = NULL;
|
|
}
|
|
|
|
ASSERT(newRb != &DummyRenderbuffer);
|
|
|
|
_mesa_reference_renderbuffer(&ctx->CurrentRenderbuffer, newRb);
|
|
}
|
|
|
|
|
|
/**
|
|
* If the given renderbuffer is anywhere attached to the framebuffer, detach
|
|
* the renderbuffer.
|
|
* This is used when a renderbuffer object is deleted.
|
|
* The spec calls for unbinding.
|
|
*/
|
|
static void
|
|
detach_renderbuffer(struct gl_context *ctx,
|
|
struct gl_framebuffer *fb,
|
|
struct gl_renderbuffer *rb)
|
|
{
|
|
GLuint i;
|
|
for (i = 0; i < BUFFER_COUNT; i++) {
|
|
if (fb->Attachment[i].Renderbuffer == rb) {
|
|
_mesa_remove_attachment(ctx, &fb->Attachment[i]);
|
|
}
|
|
}
|
|
invalidate_framebuffer(fb);
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
|
|
{
|
|
GLint i;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
if (renderbuffers[i] > 0) {
|
|
struct gl_renderbuffer *rb;
|
|
rb = _mesa_lookup_renderbuffer(ctx, renderbuffers[i]);
|
|
if (rb) {
|
|
/* check if deleting currently bound renderbuffer object */
|
|
if (rb == ctx->CurrentRenderbuffer) {
|
|
/* bind default */
|
|
ASSERT(rb->RefCount >= 2);
|
|
_mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
|
|
}
|
|
|
|
if (_mesa_is_user_fbo(ctx->DrawBuffer)) {
|
|
detach_renderbuffer(ctx, ctx->DrawBuffer, rb);
|
|
}
|
|
if (_mesa_is_user_fbo(ctx->ReadBuffer)
|
|
&& ctx->ReadBuffer != ctx->DrawBuffer) {
|
|
detach_renderbuffer(ctx, ctx->ReadBuffer, rb);
|
|
}
|
|
|
|
/* Remove from hash table immediately, to free the ID.
|
|
* But the object will not be freed until it's no longer
|
|
* referenced anywhere else.
|
|
*/
|
|
_mesa_HashRemove(ctx->Shared->RenderBuffers, renderbuffers[i]);
|
|
|
|
if (rb != &DummyRenderbuffer) {
|
|
/* no longer referenced by hash table */
|
|
_mesa_reference_renderbuffer(&rb, NULL);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
GLuint first;
|
|
GLint i;
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
if (n < 0) {
|
|
_mesa_error(ctx, GL_INVALID_VALUE, "glGenRenderbuffersEXT(n)");
|
|
return;
|
|
}
|
|
|
|
if (!renderbuffers)
|
|
return;
|
|
|
|
first = _mesa_HashFindFreeKeyBlock(ctx->Shared->RenderBuffers, n);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
GLuint name = first + i;
|
|
renderbuffers[i] = name;
|
|
/* insert dummy placeholder into hash table */
|
|
_glthread_LOCK_MUTEX(ctx->Shared->Mutex);
|
|
_mesa_HashInsert(ctx->Shared->RenderBuffers, name, &DummyRenderbuffer);
|
|
_glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Given an internal format token for a render buffer, return the
|
|
* corresponding base format (one of GL_RGB, GL_RGBA, GL_STENCIL_INDEX,
|
|
* GL_DEPTH_COMPONENT, GL_DEPTH_STENCIL_EXT, GL_ALPHA, GL_LUMINANCE,
|
|
* GL_LUMINANCE_ALPHA, GL_INTENSITY, etc).
|
|
*
|
|
* This is similar to _mesa_base_tex_format() but the set of valid
|
|
* internal formats is different.
|
|
*
|
|
* Note that even if a format is determined to be legal here, validation
|
|
* of the FBO may fail if the format is not supported by the driver/GPU.
|
|
*
|
|
* \param internalFormat as passed to glRenderbufferStorage()
|
|
* \return the base internal format, or 0 if internalFormat is illegal
|
|
*/
|
|
GLenum
|
|
_mesa_base_fbo_format(struct gl_context *ctx, GLenum internalFormat)
|
|
{
|
|
/*
|
|
* Notes: some formats such as alpha, luminance, etc. were added
|
|
* with GL_ARB_framebuffer_object.
|
|
*/
|
|
switch (internalFormat) {
|
|
case GL_ALPHA:
|
|
case GL_ALPHA4:
|
|
case GL_ALPHA8:
|
|
case GL_ALPHA12:
|
|
case GL_ALPHA16:
|
|
return ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
|
|
case GL_LUMINANCE:
|
|
case GL_LUMINANCE4:
|
|
case GL_LUMINANCE8:
|
|
case GL_LUMINANCE12:
|
|
case GL_LUMINANCE16:
|
|
return ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE : 0;
|
|
case GL_LUMINANCE_ALPHA:
|
|
case GL_LUMINANCE4_ALPHA4:
|
|
case GL_LUMINANCE6_ALPHA2:
|
|
case GL_LUMINANCE8_ALPHA8:
|
|
case GL_LUMINANCE12_ALPHA4:
|
|
case GL_LUMINANCE12_ALPHA12:
|
|
case GL_LUMINANCE16_ALPHA16:
|
|
return ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE_ALPHA : 0;
|
|
case GL_INTENSITY:
|
|
case GL_INTENSITY4:
|
|
case GL_INTENSITY8:
|
|
case GL_INTENSITY12:
|
|
case GL_INTENSITY16:
|
|
return ctx->Extensions.ARB_framebuffer_object ? GL_INTENSITY : 0;
|
|
case GL_RGB:
|
|
case GL_R3_G3_B2:
|
|
case GL_RGB4:
|
|
case GL_RGB5:
|
|
case GL_RGB8:
|
|
case GL_RGB10:
|
|
case GL_RGB12:
|
|
case GL_RGB16:
|
|
case GL_SRGB8_EXT:
|
|
return GL_RGB;
|
|
case GL_RGBA:
|
|
case GL_RGBA2:
|
|
case GL_RGBA4:
|
|
case GL_RGB5_A1:
|
|
case GL_RGBA8:
|
|
case GL_RGB10_A2:
|
|
case GL_RGBA12:
|
|
case GL_RGBA16:
|
|
case GL_SRGB8_ALPHA8_EXT:
|
|
return GL_RGBA;
|
|
case GL_STENCIL_INDEX:
|
|
case GL_STENCIL_INDEX1_EXT:
|
|
case GL_STENCIL_INDEX4_EXT:
|
|
case GL_STENCIL_INDEX8_EXT:
|
|
case GL_STENCIL_INDEX16_EXT:
|
|
return GL_STENCIL_INDEX;
|
|
case GL_DEPTH_COMPONENT:
|
|
case GL_DEPTH_COMPONENT16:
|
|
case GL_DEPTH_COMPONENT24:
|
|
case GL_DEPTH_COMPONENT32:
|
|
return GL_DEPTH_COMPONENT;
|
|
case GL_DEPTH_STENCIL_EXT:
|
|
case GL_DEPTH24_STENCIL8_EXT:
|
|
if (ctx->Extensions.EXT_packed_depth_stencil)
|
|
return GL_DEPTH_STENCIL_EXT;
|
|
else
|
|
return 0;
|
|
case GL_DEPTH_COMPONENT32F:
|
|
if (ctx->Extensions.ARB_depth_buffer_float)
|
|
return GL_DEPTH_COMPONENT;
|
|
else
|
|
return 0;
|
|
case GL_DEPTH32F_STENCIL8:
|
|
if (ctx->Extensions.ARB_depth_buffer_float)
|
|
return GL_DEPTH_STENCIL;
|
|
else
|
|
return 0;
|
|
case GL_RED:
|
|
case GL_R8:
|
|
case GL_R16:
|
|
return ctx->Extensions.ARB_texture_rg ? GL_RED : 0;
|
|
case GL_RG:
|
|
case GL_RG8:
|
|
case GL_RG16:
|
|
return ctx->Extensions.ARB_texture_rg ? GL_RG : 0;
|
|
/* signed normalized texture formats */
|
|
case GL_RED_SNORM:
|
|
case GL_R8_SNORM:
|
|
case GL_R16_SNORM:
|
|
return ctx->Extensions.EXT_texture_snorm ? GL_RED : 0;
|
|
case GL_RG_SNORM:
|
|
case GL_RG8_SNORM:
|
|
case GL_RG16_SNORM:
|
|
return ctx->Extensions.EXT_texture_snorm ? GL_RG : 0;
|
|
case GL_RGB_SNORM:
|
|
case GL_RGB8_SNORM:
|
|
case GL_RGB16_SNORM:
|
|
return ctx->Extensions.EXT_texture_snorm ? GL_RGB : 0;
|
|
case GL_RGBA_SNORM:
|
|
case GL_RGBA8_SNORM:
|
|
case GL_RGBA16_SNORM:
|
|
return ctx->Extensions.EXT_texture_snorm ? GL_RGBA : 0;
|
|
case GL_ALPHA_SNORM:
|
|
case GL_ALPHA8_SNORM:
|
|
case GL_ALPHA16_SNORM:
|
|
return ctx->Extensions.EXT_texture_snorm &&
|
|
ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
|
|
case GL_LUMINANCE_SNORM:
|
|
case GL_LUMINANCE8_SNORM:
|
|
case GL_LUMINANCE16_SNORM:
|
|
return ctx->Extensions.EXT_texture_snorm &&
|
|
ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE : 0;
|
|
case GL_LUMINANCE_ALPHA_SNORM:
|
|
case GL_LUMINANCE8_ALPHA8_SNORM:
|
|
case GL_LUMINANCE16_ALPHA16_SNORM:
|
|
return ctx->Extensions.EXT_texture_snorm &&
|
|
ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE_ALPHA : 0;
|
|
case GL_INTENSITY_SNORM:
|
|
case GL_INTENSITY8_SNORM:
|
|
case GL_INTENSITY16_SNORM:
|
|
return ctx->Extensions.EXT_texture_snorm &&
|
|
ctx->Extensions.ARB_framebuffer_object ? GL_INTENSITY : 0;
|
|
case GL_R16F:
|
|
case GL_R32F:
|
|
return ctx->Extensions.ARB_texture_rg &&
|
|
ctx->Extensions.ARB_texture_float ? GL_RED : 0;
|
|
case GL_RG16F:
|
|
case GL_RG32F:
|
|
return ctx->Extensions.ARB_texture_rg &&
|
|
ctx->Extensions.ARB_texture_float ? GL_RG : 0;
|
|
case GL_RGB16F:
|
|
case GL_RGB32F:
|
|
return ctx->Extensions.ARB_texture_float ? GL_RGB : 0;
|
|
case GL_RGBA16F:
|
|
case GL_RGBA32F:
|
|
return ctx->Extensions.ARB_texture_float ? GL_RGBA : 0;
|
|
case GL_ALPHA16F_ARB:
|
|
case GL_ALPHA32F_ARB:
|
|
return ctx->Extensions.ARB_texture_float &&
|
|
ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
|
|
case GL_LUMINANCE16F_ARB:
|
|
case GL_LUMINANCE32F_ARB:
|
|
return ctx->Extensions.ARB_texture_float &&
|
|
ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE : 0;
|
|
case GL_LUMINANCE_ALPHA16F_ARB:
|
|
case GL_LUMINANCE_ALPHA32F_ARB:
|
|
return ctx->Extensions.ARB_texture_float &&
|
|
ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE_ALPHA : 0;
|
|
case GL_INTENSITY16F_ARB:
|
|
case GL_INTENSITY32F_ARB:
|
|
return ctx->Extensions.ARB_texture_float &&
|
|
ctx->Extensions.ARB_framebuffer_object ? GL_INTENSITY : 0;
|
|
case GL_RGB9_E5:
|
|
return ctx->Extensions.EXT_texture_shared_exponent ? GL_RGB : 0;
|
|
case GL_R11F_G11F_B10F:
|
|
return ctx->Extensions.EXT_packed_float ? GL_RGB : 0;
|
|
|
|
case GL_RGBA8UI_EXT:
|
|
case GL_RGBA16UI_EXT:
|
|
case GL_RGBA32UI_EXT:
|
|
case GL_RGBA8I_EXT:
|
|
case GL_RGBA16I_EXT:
|
|
case GL_RGBA32I_EXT:
|
|
return ctx->VersionMajor >= 3 ||
|
|
ctx->Extensions.EXT_texture_integer ? GL_RGBA : 0;
|
|
|
|
case GL_RGB8UI_EXT:
|
|
case GL_RGB16UI_EXT:
|
|
case GL_RGB32UI_EXT:
|
|
case GL_RGB8I_EXT:
|
|
case GL_RGB16I_EXT:
|
|
case GL_RGB32I_EXT:
|
|
return ctx->VersionMajor >= 3 ||
|
|
ctx->Extensions.EXT_texture_integer ? GL_RGB : 0;
|
|
|
|
case GL_R8UI:
|
|
case GL_R8I:
|
|
case GL_R16UI:
|
|
case GL_R16I:
|
|
case GL_R32UI:
|
|
case GL_R32I:
|
|
return ctx->VersionMajor >= 3 ||
|
|
(ctx->Extensions.ARB_texture_rg &&
|
|
ctx->Extensions.EXT_texture_integer) ? GL_RED : 0;
|
|
|
|
case GL_RG8UI:
|
|
case GL_RG8I:
|
|
case GL_RG16UI:
|
|
case GL_RG16I:
|
|
case GL_RG32UI:
|
|
case GL_RG32I:
|
|
return ctx->VersionMajor >= 3 ||
|
|
(ctx->Extensions.ARB_texture_rg &&
|
|
ctx->Extensions.EXT_texture_integer) ? GL_RG : 0;
|
|
|
|
case GL_INTENSITY8I_EXT:
|
|
case GL_INTENSITY8UI_EXT:
|
|
case GL_INTENSITY16I_EXT:
|
|
case GL_INTENSITY16UI_EXT:
|
|
case GL_INTENSITY32I_EXT:
|
|
case GL_INTENSITY32UI_EXT:
|
|
return ctx->Extensions.EXT_texture_integer &&
|
|
ctx->Extensions.ARB_framebuffer_object ? GL_INTENSITY : 0;
|
|
|
|
case GL_LUMINANCE8I_EXT:
|
|
case GL_LUMINANCE8UI_EXT:
|
|
case GL_LUMINANCE16I_EXT:
|
|
case GL_LUMINANCE16UI_EXT:
|
|
case GL_LUMINANCE32I_EXT:
|
|
case GL_LUMINANCE32UI_EXT:
|
|
return ctx->Extensions.EXT_texture_integer &&
|
|
ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE : 0;
|
|
|
|
case GL_LUMINANCE_ALPHA8I_EXT:
|
|
case GL_LUMINANCE_ALPHA8UI_EXT:
|
|
case GL_LUMINANCE_ALPHA16I_EXT:
|
|
case GL_LUMINANCE_ALPHA16UI_EXT:
|
|
case GL_LUMINANCE_ALPHA32I_EXT:
|
|
case GL_LUMINANCE_ALPHA32UI_EXT:
|
|
return ctx->Extensions.EXT_texture_integer &&
|
|
ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE_ALPHA : 0;
|
|
|
|
case GL_ALPHA8I_EXT:
|
|
case GL_ALPHA8UI_EXT:
|
|
case GL_ALPHA16I_EXT:
|
|
case GL_ALPHA16UI_EXT:
|
|
case GL_ALPHA32I_EXT:
|
|
case GL_ALPHA32UI_EXT:
|
|
return ctx->Extensions.EXT_texture_integer &&
|
|
ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
|
|
|
|
case GL_RGB10_A2UI:
|
|
return ctx->Extensions.ARB_texture_rgb10_a2ui ? GL_RGBA : 0;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Invalidate a renderbuffer attachment. Called from _mesa_HashWalk().
|
|
*/
|
|
static void
|
|
invalidate_rb(GLuint key, void *data, void *userData)
|
|
{
|
|
struct gl_framebuffer *fb = (struct gl_framebuffer *) data;
|
|
struct gl_renderbuffer *rb = (struct gl_renderbuffer *) userData;
|
|
|
|
/* If this is a user-created FBO */
|
|
if (_mesa_is_user_fbo(fb)) {
|
|
GLuint i;
|
|
for (i = 0; i < BUFFER_COUNT; i++) {
|
|
struct gl_renderbuffer_attachment *att = fb->Attachment + i;
|
|
if (att->Type == GL_RENDERBUFFER &&
|
|
att->Renderbuffer == rb) {
|
|
/* Mark fb status as indeterminate to force re-validation */
|
|
fb->_Status = 0;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/** sentinal value, see below */
|
|
#define NO_SAMPLES 1000
|
|
|
|
|
|
/**
|
|
* Helper function used by _mesa_RenderbufferStorageEXT() and
|
|
* _mesa_RenderbufferStorageMultisample().
|
|
* samples will be NO_SAMPLES if called by _mesa_RenderbufferStorageEXT().
|
|
*/
|
|
static void
|
|
renderbuffer_storage(GLenum target, GLenum internalFormat,
|
|
GLsizei width, GLsizei height, GLsizei samples)
|
|
{
|
|
const char *func = samples == NO_SAMPLES ?
|
|
"glRenderbufferStorage" : "RenderbufferStorageMultisample";
|
|
struct gl_renderbuffer *rb;
|
|
GLenum baseFormat;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
if (target != GL_RENDERBUFFER_EXT) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", func);
|
|
return;
|
|
}
|
|
|
|
baseFormat = _mesa_base_fbo_format(ctx, internalFormat);
|
|
if (baseFormat == 0) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat)", func);
|
|
return;
|
|
}
|
|
|
|
if (width < 0 || width > (GLsizei) ctx->Const.MaxRenderbufferSize) {
|
|
_mesa_error(ctx, GL_INVALID_VALUE, "%s(width)", func);
|
|
return;
|
|
}
|
|
|
|
if (height < 0 || height > (GLsizei) ctx->Const.MaxRenderbufferSize) {
|
|
_mesa_error(ctx, GL_INVALID_VALUE, "%s(height)", func);
|
|
return;
|
|
}
|
|
|
|
if (samples == NO_SAMPLES) {
|
|
/* NumSamples == 0 indicates non-multisampling */
|
|
samples = 0;
|
|
}
|
|
else if (samples > (GLsizei) ctx->Const.MaxSamples) {
|
|
/* note: driver may choose to use more samples than what's requested */
|
|
_mesa_error(ctx, GL_INVALID_VALUE, "%s(samples)", func);
|
|
return;
|
|
}
|
|
|
|
rb = ctx->CurrentRenderbuffer;
|
|
if (!rb) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION, "%s", func);
|
|
return;
|
|
}
|
|
|
|
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
|
|
|
|
if (rb->InternalFormat == internalFormat &&
|
|
rb->Width == (GLuint) width &&
|
|
rb->Height == (GLuint) height &&
|
|
rb->NumSamples == samples) {
|
|
/* no change in allocation needed */
|
|
return;
|
|
}
|
|
|
|
/* These MUST get set by the AllocStorage func */
|
|
rb->Format = MESA_FORMAT_NONE;
|
|
rb->NumSamples = samples;
|
|
|
|
/* Now allocate the storage */
|
|
ASSERT(rb->AllocStorage);
|
|
if (rb->AllocStorage(ctx, rb, internalFormat, width, height)) {
|
|
/* No error - check/set fields now */
|
|
/* If rb->Format == MESA_FORMAT_NONE, the format is unsupported. */
|
|
assert(rb->Width == (GLuint) width);
|
|
assert(rb->Height == (GLuint) height);
|
|
rb->InternalFormat = internalFormat;
|
|
rb->_BaseFormat = baseFormat;
|
|
assert(rb->_BaseFormat != 0);
|
|
}
|
|
else {
|
|
/* Probably ran out of memory - clear the fields */
|
|
rb->Width = 0;
|
|
rb->Height = 0;
|
|
rb->Format = MESA_FORMAT_NONE;
|
|
rb->InternalFormat = GL_NONE;
|
|
rb->_BaseFormat = GL_NONE;
|
|
rb->NumSamples = 0;
|
|
}
|
|
|
|
/* Invalidate the framebuffers the renderbuffer is attached in. */
|
|
if (rb->AttachedAnytime) {
|
|
_mesa_HashWalk(ctx->Shared->FrameBuffers, invalidate_rb, rb);
|
|
}
|
|
}
|
|
|
|
|
|
#if FEATURE_OES_EGL_image
|
|
void GLAPIENTRY
|
|
_mesa_EGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
|
|
{
|
|
struct gl_renderbuffer *rb;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
if (!ctx->Extensions.OES_EGL_image) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glEGLImageTargetRenderbufferStorageOES(unsupported)");
|
|
return;
|
|
}
|
|
|
|
if (target != GL_RENDERBUFFER) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"EGLImageTargetRenderbufferStorageOES");
|
|
return;
|
|
}
|
|
|
|
rb = ctx->CurrentRenderbuffer;
|
|
if (!rb) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"EGLImageTargetRenderbufferStorageOES");
|
|
return;
|
|
}
|
|
|
|
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
|
|
|
|
ctx->Driver.EGLImageTargetRenderbufferStorage(ctx, rb, image);
|
|
}
|
|
#endif
|
|
|
|
|
|
/**
|
|
* Helper function for _mesa_GetRenderbufferParameterivEXT() and
|
|
* _mesa_GetFramebufferAttachmentParameterivEXT()
|
|
* We have to be careful to respect the base format. For example, if a
|
|
* renderbuffer/texture was created with internalFormat=GL_RGB but the
|
|
* driver actually chose a GL_RGBA format, when the user queries ALPHA_SIZE
|
|
* we need to return zero.
|
|
*/
|
|
static GLint
|
|
get_component_bits(GLenum pname, GLenum baseFormat, gl_format format)
|
|
{
|
|
if (_mesa_base_format_has_channel(baseFormat, pname))
|
|
return _mesa_get_format_bits(format, pname);
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
|
|
GLsizei width, GLsizei height)
|
|
{
|
|
/* GL_ARB_fbo says calling this function is equivalent to calling
|
|
* glRenderbufferStorageMultisample() with samples=0. We pass in
|
|
* a token value here just for error reporting purposes.
|
|
*/
|
|
renderbuffer_storage(target, internalFormat, width, height, NO_SAMPLES);
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_RenderbufferStorageMultisample(GLenum target, GLsizei samples,
|
|
GLenum internalFormat,
|
|
GLsizei width, GLsizei height)
|
|
{
|
|
renderbuffer_storage(target, internalFormat, width, height, samples);
|
|
}
|
|
|
|
|
|
/**
|
|
* OpenGL ES version of glRenderBufferStorage.
|
|
*/
|
|
void GLAPIENTRY
|
|
_es_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
|
|
GLsizei width, GLsizei height)
|
|
{
|
|
switch (internalFormat) {
|
|
case GL_RGB565:
|
|
/* XXX this confuses GL_RENDERBUFFER_INTERNAL_FORMAT_OES */
|
|
/* choose a closest format */
|
|
internalFormat = GL_RGB5;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
renderbuffer_storage(target, internalFormat, width, height, 0);
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params)
|
|
{
|
|
struct gl_renderbuffer *rb;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
if (target != GL_RENDERBUFFER_EXT) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetRenderbufferParameterivEXT(target)");
|
|
return;
|
|
}
|
|
|
|
rb = ctx->CurrentRenderbuffer;
|
|
if (!rb) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glGetRenderbufferParameterivEXT");
|
|
return;
|
|
}
|
|
|
|
/* No need to flush here since we're just quering state which is
|
|
* not effected by rendering.
|
|
*/
|
|
|
|
switch (pname) {
|
|
case GL_RENDERBUFFER_WIDTH_EXT:
|
|
*params = rb->Width;
|
|
return;
|
|
case GL_RENDERBUFFER_HEIGHT_EXT:
|
|
*params = rb->Height;
|
|
return;
|
|
case GL_RENDERBUFFER_INTERNAL_FORMAT_EXT:
|
|
*params = rb->InternalFormat;
|
|
return;
|
|
case GL_RENDERBUFFER_RED_SIZE_EXT:
|
|
case GL_RENDERBUFFER_GREEN_SIZE_EXT:
|
|
case GL_RENDERBUFFER_BLUE_SIZE_EXT:
|
|
case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
|
|
case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
|
|
case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
|
|
*params = get_component_bits(pname, rb->_BaseFormat, rb->Format);
|
|
break;
|
|
case GL_RENDERBUFFER_SAMPLES:
|
|
if (ctx->Extensions.ARB_framebuffer_object) {
|
|
*params = rb->NumSamples;
|
|
break;
|
|
}
|
|
/* fallthrough */
|
|
default:
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetRenderbufferParameterivEXT(target)");
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
GLboolean GLAPIENTRY
|
|
_mesa_IsFramebufferEXT(GLuint framebuffer)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
|
|
if (framebuffer) {
|
|
struct gl_framebuffer *rb = _mesa_lookup_framebuffer(ctx, framebuffer);
|
|
if (rb != NULL && rb != &DummyFramebuffer)
|
|
return GL_TRUE;
|
|
}
|
|
return GL_FALSE;
|
|
}
|
|
|
|
|
|
/**
|
|
* Check if any of the attachments of the given framebuffer are textures
|
|
* (render to texture). Call ctx->Driver.RenderTexture() for such
|
|
* attachments.
|
|
*/
|
|
static void
|
|
check_begin_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
|
|
{
|
|
GLuint i;
|
|
ASSERT(ctx->Driver.RenderTexture);
|
|
|
|
if (_mesa_is_winsys_fbo(fb))
|
|
return; /* can't render to texture with winsys framebuffers */
|
|
|
|
for (i = 0; i < BUFFER_COUNT; i++) {
|
|
struct gl_renderbuffer_attachment *att = fb->Attachment + i;
|
|
if (att->Texture && _mesa_get_attachment_teximage(att)) {
|
|
ctx->Driver.RenderTexture(ctx, fb, att);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Examine all the framebuffer's attachments to see if any are textures.
|
|
* If so, call ctx->Driver.FinishRenderTexture() for each texture to
|
|
* notify the device driver that the texture image may have changed.
|
|
*/
|
|
static void
|
|
check_end_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
|
|
{
|
|
if (_mesa_is_winsys_fbo(fb))
|
|
return; /* can't render to texture with winsys framebuffers */
|
|
|
|
if (ctx->Driver.FinishRenderTexture) {
|
|
GLuint i;
|
|
for (i = 0; i < BUFFER_COUNT; i++) {
|
|
struct gl_renderbuffer_attachment *att = fb->Attachment + i;
|
|
if (att->Texture && att->Renderbuffer) {
|
|
ctx->Driver.FinishRenderTexture(ctx, att);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
|
|
{
|
|
struct gl_framebuffer *newDrawFb, *newReadFb;
|
|
struct gl_framebuffer *oldDrawFb, *oldReadFb;
|
|
GLboolean bindReadBuf, bindDrawBuf;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
#ifdef DEBUG
|
|
if (ctx->Extensions.ARB_framebuffer_object) {
|
|
ASSERT(ctx->Extensions.EXT_framebuffer_object);
|
|
ASSERT(ctx->Extensions.EXT_framebuffer_blit);
|
|
}
|
|
#endif
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
if (!ctx->Extensions.EXT_framebuffer_object) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glBindFramebufferEXT(unsupported)");
|
|
return;
|
|
}
|
|
|
|
switch (target) {
|
|
#if FEATURE_EXT_framebuffer_blit
|
|
case GL_DRAW_FRAMEBUFFER_EXT:
|
|
if (!ctx->Extensions.EXT_framebuffer_blit) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
|
|
return;
|
|
}
|
|
bindDrawBuf = GL_TRUE;
|
|
bindReadBuf = GL_FALSE;
|
|
break;
|
|
case GL_READ_FRAMEBUFFER_EXT:
|
|
if (!ctx->Extensions.EXT_framebuffer_blit) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
|
|
return;
|
|
}
|
|
bindDrawBuf = GL_FALSE;
|
|
bindReadBuf = GL_TRUE;
|
|
break;
|
|
#endif
|
|
case GL_FRAMEBUFFER_EXT:
|
|
bindDrawBuf = GL_TRUE;
|
|
bindReadBuf = GL_TRUE;
|
|
break;
|
|
default:
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
|
|
return;
|
|
}
|
|
|
|
if (framebuffer) {
|
|
/* Binding a user-created framebuffer object */
|
|
newDrawFb = _mesa_lookup_framebuffer(ctx, framebuffer);
|
|
if (newDrawFb == &DummyFramebuffer) {
|
|
/* ID was reserved, but no real framebuffer object made yet */
|
|
newDrawFb = NULL;
|
|
}
|
|
else if (!newDrawFb && ctx->Extensions.ARB_framebuffer_object) {
|
|
/* All FBO IDs must be Gen'd */
|
|
_mesa_error(ctx, GL_INVALID_OPERATION, "glBindFramebuffer(buffer)");
|
|
return;
|
|
}
|
|
|
|
if (!newDrawFb) {
|
|
/* create new framebuffer object */
|
|
newDrawFb = ctx->Driver.NewFramebuffer(ctx, framebuffer);
|
|
if (!newDrawFb) {
|
|
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindFramebufferEXT");
|
|
return;
|
|
}
|
|
_mesa_HashInsert(ctx->Shared->FrameBuffers, framebuffer, newDrawFb);
|
|
}
|
|
newReadFb = newDrawFb;
|
|
}
|
|
else {
|
|
/* Binding the window system framebuffer (which was originally set
|
|
* with MakeCurrent).
|
|
*/
|
|
newDrawFb = ctx->WinSysDrawBuffer;
|
|
newReadFb = ctx->WinSysReadBuffer;
|
|
}
|
|
|
|
ASSERT(newDrawFb);
|
|
ASSERT(newDrawFb != &DummyFramebuffer);
|
|
|
|
/* save pointers to current/old framebuffers */
|
|
oldDrawFb = ctx->DrawBuffer;
|
|
oldReadFb = ctx->ReadBuffer;
|
|
|
|
/* check if really changing bindings */
|
|
if (oldDrawFb == newDrawFb)
|
|
bindDrawBuf = GL_FALSE;
|
|
if (oldReadFb == newReadFb)
|
|
bindReadBuf = GL_FALSE;
|
|
|
|
/*
|
|
* OK, now bind the new Draw/Read framebuffers, if they're changing.
|
|
*
|
|
* We also check if we're beginning and/or ending render-to-texture.
|
|
* When a framebuffer with texture attachments is unbound, call
|
|
* ctx->Driver.FinishRenderTexture().
|
|
* When a framebuffer with texture attachments is bound, call
|
|
* ctx->Driver.RenderTexture().
|
|
*
|
|
* Note that if the ReadBuffer has texture attachments we don't consider
|
|
* that a render-to-texture case.
|
|
*/
|
|
if (bindReadBuf) {
|
|
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
|
|
|
|
/* check if old readbuffer was render-to-texture */
|
|
check_end_texture_render(ctx, oldReadFb);
|
|
|
|
_mesa_reference_framebuffer(&ctx->ReadBuffer, newReadFb);
|
|
}
|
|
|
|
if (bindDrawBuf) {
|
|
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
|
|
|
|
/* check if old framebuffer had any texture attachments */
|
|
if (oldDrawFb)
|
|
check_end_texture_render(ctx, oldDrawFb);
|
|
|
|
/* check if newly bound framebuffer has any texture attachments */
|
|
check_begin_texture_render(ctx, newDrawFb);
|
|
|
|
_mesa_reference_framebuffer(&ctx->DrawBuffer, newDrawFb);
|
|
}
|
|
|
|
if ((bindDrawBuf || bindReadBuf) && ctx->Driver.BindFramebuffer) {
|
|
ctx->Driver.BindFramebuffer(ctx, target, newDrawFb, newReadFb);
|
|
}
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
|
|
{
|
|
GLint i;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
if (framebuffers[i] > 0) {
|
|
struct gl_framebuffer *fb;
|
|
fb = _mesa_lookup_framebuffer(ctx, framebuffers[i]);
|
|
if (fb) {
|
|
ASSERT(fb == &DummyFramebuffer || fb->Name == framebuffers[i]);
|
|
|
|
/* check if deleting currently bound framebuffer object */
|
|
if (ctx->Extensions.EXT_framebuffer_blit) {
|
|
/* separate draw/read binding points */
|
|
if (fb == ctx->DrawBuffer) {
|
|
/* bind default */
|
|
ASSERT(fb->RefCount >= 2);
|
|
_mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
|
|
}
|
|
if (fb == ctx->ReadBuffer) {
|
|
/* bind default */
|
|
ASSERT(fb->RefCount >= 2);
|
|
_mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
|
|
}
|
|
}
|
|
else {
|
|
/* only one binding point for read/draw buffers */
|
|
if (fb == ctx->DrawBuffer || fb == ctx->ReadBuffer) {
|
|
/* bind default */
|
|
ASSERT(fb->RefCount >= 2);
|
|
_mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
|
|
}
|
|
}
|
|
|
|
/* remove from hash table immediately, to free the ID */
|
|
_mesa_HashRemove(ctx->Shared->FrameBuffers, framebuffers[i]);
|
|
|
|
if (fb != &DummyFramebuffer) {
|
|
/* But the object will not be freed until it's no longer
|
|
* bound in any context.
|
|
*/
|
|
_mesa_reference_framebuffer(&fb, NULL);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_GenFramebuffersEXT(GLsizei n, GLuint *framebuffers)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
GLuint first;
|
|
GLint i;
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
if (n < 0) {
|
|
_mesa_error(ctx, GL_INVALID_VALUE, "glGenFramebuffersEXT(n)");
|
|
return;
|
|
}
|
|
|
|
if (!framebuffers)
|
|
return;
|
|
|
|
first = _mesa_HashFindFreeKeyBlock(ctx->Shared->FrameBuffers, n);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
GLuint name = first + i;
|
|
framebuffers[i] = name;
|
|
/* insert dummy placeholder into hash table */
|
|
_glthread_LOCK_MUTEX(ctx->Shared->Mutex);
|
|
_mesa_HashInsert(ctx->Shared->FrameBuffers, name, &DummyFramebuffer);
|
|
_glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
GLenum GLAPIENTRY
|
|
_mesa_CheckFramebufferStatusEXT(GLenum target)
|
|
{
|
|
struct gl_framebuffer *buffer;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
|
|
|
|
buffer = get_framebuffer_target(ctx, target);
|
|
if (!buffer) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
|
|
return 0;
|
|
}
|
|
|
|
if (_mesa_is_winsys_fbo(buffer)) {
|
|
/* The window system / default framebuffer is always complete */
|
|
return GL_FRAMEBUFFER_COMPLETE_EXT;
|
|
}
|
|
|
|
/* No need to flush here */
|
|
|
|
if (buffer->_Status != GL_FRAMEBUFFER_COMPLETE) {
|
|
_mesa_test_framebuffer_completeness(ctx, buffer);
|
|
}
|
|
|
|
return buffer->_Status;
|
|
}
|
|
|
|
|
|
/**
|
|
* Replicate the src attachment point. Used by framebuffer_texture() when
|
|
* the same texture is attached at GL_DEPTH_ATTACHMENT and
|
|
* GL_STENCIL_ATTACHMENT.
|
|
*/
|
|
static void
|
|
reuse_framebuffer_texture_attachment(struct gl_framebuffer *fb,
|
|
gl_buffer_index dst,
|
|
gl_buffer_index src)
|
|
{
|
|
struct gl_renderbuffer_attachment *dst_att = &fb->Attachment[dst];
|
|
struct gl_renderbuffer_attachment *src_att = &fb->Attachment[src];
|
|
|
|
assert(src_att->Texture != NULL);
|
|
assert(src_att->Renderbuffer != NULL);
|
|
|
|
_mesa_reference_texobj(&dst_att->Texture, src_att->Texture);
|
|
_mesa_reference_renderbuffer(&dst_att->Renderbuffer, src_att->Renderbuffer);
|
|
dst_att->Type = src_att->Type;
|
|
dst_att->Complete = src_att->Complete;
|
|
dst_att->TextureLevel = src_att->TextureLevel;
|
|
dst_att->Zoffset = src_att->Zoffset;
|
|
}
|
|
|
|
|
|
/**
|
|
* Common code called by glFramebufferTexture1D/2D/3DEXT() and
|
|
* glFramebufferTextureLayerEXT().
|
|
* Note: glFramebufferTextureLayerEXT() has no textarget parameter so we'll
|
|
* get textarget=0 in that case.
|
|
*/
|
|
static void
|
|
framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
|
|
GLenum attachment, GLenum textarget, GLuint texture,
|
|
GLint level, GLint zoffset)
|
|
{
|
|
struct gl_renderbuffer_attachment *att;
|
|
struct gl_texture_object *texObj = NULL;
|
|
struct gl_framebuffer *fb;
|
|
GLenum maxLevelsTarget;
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
fb = get_framebuffer_target(ctx, target);
|
|
if (!fb) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glFramebufferTexture%sEXT(target=0x%x)", caller, target);
|
|
return;
|
|
}
|
|
|
|
/* check framebuffer binding */
|
|
if (_mesa_is_winsys_fbo(fb)) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glFramebufferTexture%sEXT", caller);
|
|
return;
|
|
}
|
|
|
|
/* The textarget, level, and zoffset parameters are only validated if
|
|
* texture is non-zero.
|
|
*/
|
|
if (texture) {
|
|
GLboolean err = GL_TRUE;
|
|
|
|
texObj = _mesa_lookup_texture(ctx, texture);
|
|
if (texObj != NULL) {
|
|
if (textarget == 0) {
|
|
/* If textarget == 0 it means we're being called by
|
|
* glFramebufferTextureLayer() and textarget is not used.
|
|
* The only legal texture types for that function are 3D and
|
|
* 1D/2D arrays textures.
|
|
*/
|
|
err = (texObj->Target != GL_TEXTURE_3D) &&
|
|
(texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
|
|
(texObj->Target != GL_TEXTURE_2D_ARRAY_EXT);
|
|
}
|
|
else {
|
|
/* Make sure textarget is consistent with the texture's type */
|
|
err = (texObj->Target == GL_TEXTURE_CUBE_MAP)
|
|
? !_mesa_is_cube_face(textarget)
|
|
: (texObj->Target != textarget);
|
|
}
|
|
}
|
|
else {
|
|
/* can't render to a non-existant texture */
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glFramebufferTexture%sEXT(non existant texture)",
|
|
caller);
|
|
return;
|
|
}
|
|
|
|
if (err) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glFramebufferTexture%sEXT(texture target mismatch)",
|
|
caller);
|
|
return;
|
|
}
|
|
|
|
if (texObj->Target == GL_TEXTURE_3D) {
|
|
const GLint maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
|
|
if (zoffset < 0 || zoffset >= maxSize) {
|
|
_mesa_error(ctx, GL_INVALID_VALUE,
|
|
"glFramebufferTexture%sEXT(zoffset)", caller);
|
|
return;
|
|
}
|
|
}
|
|
else if ((texObj->Target == GL_TEXTURE_1D_ARRAY_EXT) ||
|
|
(texObj->Target == GL_TEXTURE_2D_ARRAY_EXT)) {
|
|
if (zoffset < 0 || zoffset >= ctx->Const.MaxArrayTextureLayers) {
|
|
_mesa_error(ctx, GL_INVALID_VALUE,
|
|
"glFramebufferTexture%sEXT(layer)", caller);
|
|
return;
|
|
}
|
|
}
|
|
|
|
maxLevelsTarget = textarget ? textarget : texObj->Target;
|
|
if ((level < 0) ||
|
|
(level >= _mesa_max_texture_levels(ctx, maxLevelsTarget))) {
|
|
_mesa_error(ctx, GL_INVALID_VALUE,
|
|
"glFramebufferTexture%sEXT(level)", caller);
|
|
return;
|
|
}
|
|
}
|
|
|
|
att = _mesa_get_attachment(ctx, fb, attachment);
|
|
if (att == NULL) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glFramebufferTexture%sEXT(attachment)", caller);
|
|
return;
|
|
}
|
|
|
|
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
|
|
|
|
_glthread_LOCK_MUTEX(fb->Mutex);
|
|
if (texObj) {
|
|
if (attachment == GL_DEPTH_ATTACHMENT &&
|
|
texObj == fb->Attachment[BUFFER_STENCIL].Texture &&
|
|
level == fb->Attachment[BUFFER_STENCIL].TextureLevel &&
|
|
_mesa_tex_target_to_face(textarget) ==
|
|
fb->Attachment[BUFFER_STENCIL].CubeMapFace &&
|
|
zoffset == fb->Attachment[BUFFER_STENCIL].Zoffset) {
|
|
/* The texture object is already attached to the stencil attachment
|
|
* point. Don't create a new renderbuffer; just reuse the stencil
|
|
* attachment's. This is required to prevent a GL error in
|
|
* glGetFramebufferAttachmentParameteriv(GL_DEPTH_STENCIL).
|
|
*/
|
|
reuse_framebuffer_texture_attachment(fb, BUFFER_DEPTH,
|
|
BUFFER_STENCIL);
|
|
} else if (attachment == GL_STENCIL_ATTACHMENT &&
|
|
texObj == fb->Attachment[BUFFER_DEPTH].Texture &&
|
|
level == fb->Attachment[BUFFER_DEPTH].TextureLevel &&
|
|
_mesa_tex_target_to_face(textarget) ==
|
|
fb->Attachment[BUFFER_DEPTH].CubeMapFace &&
|
|
zoffset == fb->Attachment[BUFFER_DEPTH].Zoffset) {
|
|
/* As above, but with depth and stencil transposed. */
|
|
reuse_framebuffer_texture_attachment(fb, BUFFER_STENCIL,
|
|
BUFFER_DEPTH);
|
|
} else {
|
|
_mesa_set_texture_attachment(ctx, fb, att, texObj, textarget,
|
|
level, zoffset);
|
|
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
|
|
/* Above we created a new renderbuffer and attached it to the
|
|
* depth attachment point. Now attach it to the stencil attachment
|
|
* point too.
|
|
*/
|
|
assert(att == &fb->Attachment[BUFFER_DEPTH]);
|
|
reuse_framebuffer_texture_attachment(fb,BUFFER_STENCIL,
|
|
BUFFER_DEPTH);
|
|
}
|
|
}
|
|
|
|
/* Set the render-to-texture flag. We'll check this flag in
|
|
* glTexImage() and friends to determine if we need to revalidate
|
|
* any FBOs that might be rendering into this texture.
|
|
* This flag never gets cleared since it's non-trivial to determine
|
|
* when all FBOs might be done rendering to this texture. That's OK
|
|
* though since it's uncommon to render to a texture then repeatedly
|
|
* call glTexImage() to change images in the texture.
|
|
*/
|
|
texObj->_RenderToTexture = GL_TRUE;
|
|
}
|
|
else {
|
|
_mesa_remove_attachment(ctx, att);
|
|
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
|
|
assert(att == &fb->Attachment[BUFFER_DEPTH]);
|
|
_mesa_remove_attachment(ctx, &fb->Attachment[BUFFER_STENCIL]);
|
|
}
|
|
}
|
|
|
|
invalidate_framebuffer(fb);
|
|
|
|
_glthread_UNLOCK_MUTEX(fb->Mutex);
|
|
}
|
|
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
|
|
GLenum textarget, GLuint texture, GLint level)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
if (texture != 0) {
|
|
GLboolean error;
|
|
|
|
switch (textarget) {
|
|
case GL_TEXTURE_1D:
|
|
error = GL_FALSE;
|
|
break;
|
|
case GL_TEXTURE_1D_ARRAY:
|
|
error = !ctx->Extensions.EXT_texture_array;
|
|
break;
|
|
default:
|
|
error = GL_TRUE;
|
|
}
|
|
|
|
if (error) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glFramebufferTexture1DEXT(textarget=%s)",
|
|
_mesa_lookup_enum_by_nr(textarget));
|
|
return;
|
|
}
|
|
}
|
|
|
|
framebuffer_texture(ctx, "1D", target, attachment, textarget, texture,
|
|
level, 0);
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
|
|
GLenum textarget, GLuint texture, GLint level)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
if (texture != 0) {
|
|
GLboolean error;
|
|
|
|
switch (textarget) {
|
|
case GL_TEXTURE_2D:
|
|
error = GL_FALSE;
|
|
break;
|
|
case GL_TEXTURE_RECTANGLE:
|
|
error = !ctx->Extensions.NV_texture_rectangle;
|
|
break;
|
|
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
|
|
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
|
|
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
|
|
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
|
|
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
|
|
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
|
|
error = !ctx->Extensions.ARB_texture_cube_map;
|
|
break;
|
|
case GL_TEXTURE_2D_ARRAY:
|
|
error = !ctx->Extensions.EXT_texture_array;
|
|
break;
|
|
default:
|
|
error = GL_TRUE;
|
|
}
|
|
|
|
if (error) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glFramebufferTexture2DEXT(textarget=%s)",
|
|
_mesa_lookup_enum_by_nr(textarget));
|
|
return;
|
|
}
|
|
}
|
|
|
|
framebuffer_texture(ctx, "2D", target, attachment, textarget, texture,
|
|
level, 0);
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
|
|
GLenum textarget, GLuint texture,
|
|
GLint level, GLint zoffset)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
if ((texture != 0) && (textarget != GL_TEXTURE_3D)) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glFramebufferTexture3DEXT(textarget)");
|
|
return;
|
|
}
|
|
|
|
framebuffer_texture(ctx, "3D", target, attachment, textarget, texture,
|
|
level, zoffset);
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_FramebufferTextureLayerEXT(GLenum target, GLenum attachment,
|
|
GLuint texture, GLint level, GLint layer)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
framebuffer_texture(ctx, "Layer", target, attachment, 0, texture,
|
|
level, layer);
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
|
|
GLenum renderbufferTarget,
|
|
GLuint renderbuffer)
|
|
{
|
|
struct gl_renderbuffer_attachment *att;
|
|
struct gl_framebuffer *fb;
|
|
struct gl_renderbuffer *rb;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
fb = get_framebuffer_target(ctx, target);
|
|
if (!fb) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "glFramebufferRenderbufferEXT(target)");
|
|
return;
|
|
}
|
|
|
|
if (renderbufferTarget != GL_RENDERBUFFER_EXT) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glFramebufferRenderbufferEXT(renderbufferTarget)");
|
|
return;
|
|
}
|
|
|
|
if (_mesa_is_winsys_fbo(fb)) {
|
|
/* Can't attach new renderbuffers to a window system framebuffer */
|
|
_mesa_error(ctx, GL_INVALID_OPERATION, "glFramebufferRenderbufferEXT");
|
|
return;
|
|
}
|
|
|
|
att = _mesa_get_attachment(ctx, fb, attachment);
|
|
if (att == NULL) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glFramebufferRenderbufferEXT(invalid attachment %s)",
|
|
_mesa_lookup_enum_by_nr(attachment));
|
|
return;
|
|
}
|
|
|
|
if (renderbuffer) {
|
|
rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
|
|
if (!rb) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glFramebufferRenderbufferEXT(non-existant"
|
|
" renderbuffer %u)", renderbuffer);
|
|
return;
|
|
}
|
|
else if (rb == &DummyRenderbuffer) {
|
|
/* This is what NVIDIA does */
|
|
_mesa_error(ctx, GL_INVALID_VALUE,
|
|
"glFramebufferRenderbufferEXT(renderbuffer %u)",
|
|
renderbuffer);
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
/* remove renderbuffer attachment */
|
|
rb = NULL;
|
|
}
|
|
|
|
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT &&
|
|
rb && rb->Format != MESA_FORMAT_NONE) {
|
|
/* make sure the renderbuffer is a depth/stencil format */
|
|
const GLenum baseFormat = _mesa_get_format_base_format(rb->Format);
|
|
if (baseFormat != GL_DEPTH_STENCIL) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glFramebufferRenderbufferEXT(renderbuffer"
|
|
" is not DEPTH_STENCIL format)");
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
|
|
|
|
assert(ctx->Driver.FramebufferRenderbuffer);
|
|
ctx->Driver.FramebufferRenderbuffer(ctx, fb, attachment, rb);
|
|
|
|
/* Some subsequent GL commands may depend on the framebuffer's visual
|
|
* after the binding is updated. Update visual info now.
|
|
*/
|
|
_mesa_update_framebuffer_visual(ctx, fb);
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
|
|
GLenum pname, GLint *params)
|
|
{
|
|
const struct gl_renderbuffer_attachment *att;
|
|
struct gl_framebuffer *buffer;
|
|
GLenum err;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
/* The error differs in GL and GLES. */
|
|
err = ctx->API == API_OPENGL ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
|
|
|
|
buffer = get_framebuffer_target(ctx, target);
|
|
if (!buffer) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetFramebufferAttachmentParameterivEXT(target)");
|
|
return;
|
|
}
|
|
|
|
if (_mesa_is_winsys_fbo(buffer)) {
|
|
/* Page 126 (page 136 of the PDF) of the OpenGL ES 2.0.25 spec
|
|
* says:
|
|
*
|
|
* "If the framebuffer currently bound to target is zero, then
|
|
* INVALID_OPERATION is generated."
|
|
*
|
|
* The EXT_framebuffer_object spec has the same wording, and the
|
|
* OES_framebuffer_object spec refers to the EXT_framebuffer_object
|
|
* spec.
|
|
*/
|
|
if (ctx->API != API_OPENGL || !ctx->Extensions.ARB_framebuffer_object) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glGetFramebufferAttachmentParameteriv(bound FBO = 0)");
|
|
return;
|
|
}
|
|
/* the default / window-system FBO */
|
|
att = _mesa_get_fb0_attachment(ctx, buffer, attachment);
|
|
}
|
|
else {
|
|
/* user-created framebuffer FBO */
|
|
att = _mesa_get_attachment(ctx, buffer, attachment);
|
|
}
|
|
|
|
if (att == NULL) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetFramebufferAttachmentParameterivEXT(attachment)");
|
|
return;
|
|
}
|
|
|
|
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
|
|
/* the depth and stencil attachments must point to the same buffer */
|
|
const struct gl_renderbuffer_attachment *depthAtt, *stencilAtt;
|
|
depthAtt = _mesa_get_attachment(ctx, buffer, GL_DEPTH_ATTACHMENT);
|
|
stencilAtt = _mesa_get_attachment(ctx, buffer, GL_STENCIL_ATTACHMENT);
|
|
if (depthAtt->Renderbuffer != stencilAtt->Renderbuffer) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glGetFramebufferAttachmentParameterivEXT(DEPTH/STENCIL"
|
|
" attachments differ)");
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* No need to flush here */
|
|
|
|
switch (pname) {
|
|
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT:
|
|
*params = _mesa_is_winsys_fbo(buffer)
|
|
? GL_FRAMEBUFFER_DEFAULT : att->Type;
|
|
return;
|
|
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT:
|
|
if (att->Type == GL_RENDERBUFFER_EXT) {
|
|
*params = att->Renderbuffer->Name;
|
|
}
|
|
else if (att->Type == GL_TEXTURE) {
|
|
*params = att->Texture->Name;
|
|
}
|
|
else {
|
|
assert(att->Type == GL_NONE);
|
|
if (ctx->API == API_OPENGL) {
|
|
*params = 0;
|
|
} else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
}
|
|
}
|
|
return;
|
|
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT:
|
|
if (att->Type == GL_TEXTURE) {
|
|
*params = att->TextureLevel;
|
|
}
|
|
else if (att->Type == GL_NONE) {
|
|
_mesa_error(ctx, err,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
}
|
|
return;
|
|
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT:
|
|
if (att->Type == GL_TEXTURE) {
|
|
if (att->Texture && att->Texture->Target == GL_TEXTURE_CUBE_MAP) {
|
|
*params = GL_TEXTURE_CUBE_MAP_POSITIVE_X + att->CubeMapFace;
|
|
}
|
|
else {
|
|
*params = 0;
|
|
}
|
|
}
|
|
else if (att->Type == GL_NONE) {
|
|
_mesa_error(ctx, err,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
}
|
|
return;
|
|
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT:
|
|
if (att->Type == GL_TEXTURE) {
|
|
if (att->Texture && att->Texture->Target == GL_TEXTURE_3D) {
|
|
*params = att->Zoffset;
|
|
}
|
|
else {
|
|
*params = 0;
|
|
}
|
|
}
|
|
else if (att->Type == GL_NONE) {
|
|
_mesa_error(ctx, err,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
}
|
|
return;
|
|
case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING:
|
|
if (!ctx->Extensions.ARB_framebuffer_object) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
}
|
|
else if (att->Type == GL_NONE) {
|
|
_mesa_error(ctx, err,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
}
|
|
else {
|
|
if (ctx->Extensions.EXT_framebuffer_sRGB) {
|
|
*params = _mesa_get_format_color_encoding(att->Renderbuffer->Format);
|
|
}
|
|
else {
|
|
/* According to ARB_framebuffer_sRGB, we should return LINEAR
|
|
* if the sRGB conversion is unsupported. */
|
|
*params = GL_LINEAR;
|
|
}
|
|
}
|
|
return;
|
|
case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
|
|
if (!ctx->Extensions.ARB_framebuffer_object) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
return;
|
|
}
|
|
else if (att->Type == GL_NONE) {
|
|
_mesa_error(ctx, err,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
}
|
|
else {
|
|
gl_format format = att->Renderbuffer->Format;
|
|
if (format == MESA_FORMAT_S8) {
|
|
/* special cases */
|
|
*params = GL_INDEX;
|
|
}
|
|
else if (format == MESA_FORMAT_Z32_FLOAT_X24S8) {
|
|
/* depends on the attachment parameter */
|
|
if (attachment == GL_STENCIL_ATTACHMENT) {
|
|
*params = GL_INDEX;
|
|
}
|
|
else {
|
|
*params = GL_FLOAT;
|
|
}
|
|
}
|
|
else {
|
|
*params = _mesa_get_format_datatype(format);
|
|
}
|
|
}
|
|
return;
|
|
case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
|
|
case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
|
|
case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
|
|
case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
|
|
case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
|
|
case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
|
|
if (!ctx->Extensions.ARB_framebuffer_object) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
}
|
|
else if (att->Type == GL_NONE) {
|
|
_mesa_error(ctx, err,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
}
|
|
else if (att->Texture) {
|
|
const struct gl_texture_image *texImage =
|
|
_mesa_select_tex_image(ctx, att->Texture, att->Texture->Target,
|
|
att->TextureLevel);
|
|
if (texImage) {
|
|
*params = get_component_bits(pname, texImage->_BaseFormat,
|
|
texImage->TexFormat);
|
|
}
|
|
else {
|
|
*params = 0;
|
|
}
|
|
}
|
|
else if (att->Renderbuffer) {
|
|
*params = get_component_bits(pname, att->Renderbuffer->_BaseFormat,
|
|
att->Renderbuffer->Format);
|
|
}
|
|
else {
|
|
_mesa_problem(ctx, "glGetFramebufferAttachmentParameterivEXT:"
|
|
" invalid FBO attachment structure");
|
|
}
|
|
return;
|
|
default:
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetFramebufferAttachmentParameterivEXT(pname)");
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_GenerateMipmapEXT(GLenum target)
|
|
{
|
|
struct gl_texture_image *srcImage;
|
|
struct gl_texture_object *texObj;
|
|
GLboolean error;
|
|
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
|
|
|
|
switch (target) {
|
|
case GL_TEXTURE_1D:
|
|
case GL_TEXTURE_2D:
|
|
case GL_TEXTURE_3D:
|
|
error = GL_FALSE;
|
|
break;
|
|
case GL_TEXTURE_CUBE_MAP:
|
|
error = !ctx->Extensions.ARB_texture_cube_map;
|
|
break;
|
|
case GL_TEXTURE_1D_ARRAY:
|
|
case GL_TEXTURE_2D_ARRAY:
|
|
error = !ctx->Extensions.EXT_texture_array;
|
|
break;
|
|
default:
|
|
error = GL_TRUE;
|
|
}
|
|
|
|
if (error) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target=%s)",
|
|
_mesa_lookup_enum_by_nr(target));
|
|
return;
|
|
}
|
|
|
|
texObj = _mesa_get_current_tex_object(ctx, target);
|
|
|
|
if (texObj->BaseLevel >= texObj->MaxLevel) {
|
|
/* nothing to do */
|
|
return;
|
|
}
|
|
|
|
if (texObj->Target == GL_TEXTURE_CUBE_MAP &&
|
|
!_mesa_cube_complete(texObj)) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glGenerateMipmap(incomplete cube map)");
|
|
return;
|
|
}
|
|
|
|
_mesa_lock_texture(ctx, texObj);
|
|
|
|
srcImage = _mesa_select_tex_image(ctx, texObj, target, texObj->BaseLevel);
|
|
if (!srcImage) {
|
|
_mesa_unlock_texture(ctx, texObj);
|
|
return;
|
|
}
|
|
|
|
if (target == GL_TEXTURE_CUBE_MAP) {
|
|
GLuint face;
|
|
for (face = 0; face < 6; face++)
|
|
ctx->Driver.GenerateMipmap(ctx,
|
|
GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB + face,
|
|
texObj);
|
|
}
|
|
else {
|
|
ctx->Driver.GenerateMipmap(ctx, target, texObj);
|
|
}
|
|
_mesa_unlock_texture(ctx, texObj);
|
|
}
|
|
|
|
|
|
#if FEATURE_EXT_framebuffer_blit
|
|
|
|
static const struct gl_renderbuffer_attachment *
|
|
find_attachment(const struct gl_framebuffer *fb,
|
|
const struct gl_renderbuffer *rb)
|
|
{
|
|
GLuint i;
|
|
for (i = 0; i < Elements(fb->Attachment); i++) {
|
|
if (fb->Attachment[i].Renderbuffer == rb)
|
|
return &fb->Attachment[i];
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/**
|
|
* Helper function for checking if the datatypes of color buffers are
|
|
* compatible for glBlitFramebuffer. From the 3.1 spec, page 198:
|
|
*
|
|
* "GL_INVALID_OPERATION is generated if mask contains GL_COLOR_BUFFER_BIT
|
|
* and any of the following conditions hold:
|
|
* - The read buffer contains fixed-point or floating-point values and any
|
|
* draw buffer contains neither fixed-point nor floating-point values.
|
|
* - The read buffer contains unsigned integer values and any draw buffer
|
|
* does not contain unsigned integer values.
|
|
* - The read buffer contains signed integer values and any draw buffer
|
|
* does not contain signed integer values."
|
|
*/
|
|
static GLboolean
|
|
compatible_color_datatypes(gl_format srcFormat, gl_format dstFormat)
|
|
{
|
|
GLenum srcType = _mesa_get_format_datatype(srcFormat);
|
|
GLenum dstType = _mesa_get_format_datatype(dstFormat);
|
|
|
|
if (srcType != GL_INT && srcType != GL_UNSIGNED_INT) {
|
|
assert(srcType == GL_UNSIGNED_NORMALIZED ||
|
|
srcType == GL_SIGNED_NORMALIZED ||
|
|
srcType == GL_FLOAT);
|
|
/* Boil any of those types down to GL_FLOAT */
|
|
srcType = GL_FLOAT;
|
|
}
|
|
|
|
if (dstType != GL_INT && dstType != GL_UNSIGNED_INT) {
|
|
assert(dstType == GL_UNSIGNED_NORMALIZED ||
|
|
dstType == GL_SIGNED_NORMALIZED ||
|
|
dstType == GL_FLOAT);
|
|
/* Boil any of those types down to GL_FLOAT */
|
|
dstType = GL_FLOAT;
|
|
}
|
|
|
|
return srcType == dstType;
|
|
}
|
|
|
|
|
|
/**
|
|
* Blit rectangular region, optionally from one framebuffer to another.
|
|
*
|
|
* Note, if the src buffer is multisampled and the dest is not, this is
|
|
* when the samples must be resolved to a single color.
|
|
*/
|
|
void GLAPIENTRY
|
|
_mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
|
|
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
|
|
GLbitfield mask, GLenum filter)
|
|
{
|
|
const GLbitfield legalMaskBits = (GL_COLOR_BUFFER_BIT |
|
|
GL_DEPTH_BUFFER_BIT |
|
|
GL_STENCIL_BUFFER_BIT);
|
|
const struct gl_framebuffer *readFb, *drawFb;
|
|
const struct gl_renderbuffer *colorReadRb, *colorDrawRb;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
|
|
|
|
if (MESA_VERBOSE & VERBOSE_API)
|
|
_mesa_debug(ctx,
|
|
"glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d, 0x%x, %s)\n",
|
|
srcX0, srcY0, srcX1, srcY1,
|
|
dstX0, dstY0, dstX1, dstY1,
|
|
mask, _mesa_lookup_enum_by_nr(filter));
|
|
|
|
if (ctx->NewState) {
|
|
_mesa_update_state(ctx);
|
|
}
|
|
|
|
readFb = ctx->ReadBuffer;
|
|
drawFb = ctx->DrawBuffer;
|
|
|
|
if (!readFb || !drawFb) {
|
|
/* This will normally never happen but someday we may want to
|
|
* support MakeCurrent() with no drawables.
|
|
*/
|
|
return;
|
|
}
|
|
|
|
/* check for complete framebuffers */
|
|
if (drawFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT ||
|
|
readFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
|
|
_mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
|
|
"glBlitFramebufferEXT(incomplete draw/read buffers)");
|
|
return;
|
|
}
|
|
|
|
if (filter != GL_NEAREST && filter != GL_LINEAR) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "glBlitFramebufferEXT(filter)");
|
|
return;
|
|
}
|
|
|
|
if (mask & ~legalMaskBits) {
|
|
_mesa_error( ctx, GL_INVALID_VALUE, "glBlitFramebufferEXT(mask)");
|
|
return;
|
|
}
|
|
|
|
/* depth/stencil must be blitted with nearest filtering */
|
|
if ((mask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT))
|
|
&& filter != GL_NEAREST) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glBlitFramebufferEXT(depth/stencil requires GL_NEAREST filter)");
|
|
return;
|
|
}
|
|
|
|
/* get color read/draw renderbuffers */
|
|
if (mask & GL_COLOR_BUFFER_BIT) {
|
|
colorReadRb = readFb->_ColorReadBuffer;
|
|
colorDrawRb = drawFb->_ColorDrawBuffers[0];
|
|
|
|
/* From the EXT_framebuffer_object spec:
|
|
*
|
|
* "If a buffer is specified in <mask> and does not exist in both
|
|
* the read and draw framebuffers, the corresponding bit is silently
|
|
* ignored."
|
|
*/
|
|
if ((colorReadRb == NULL) || (colorDrawRb == NULL)) {
|
|
colorReadRb = colorDrawRb = NULL;
|
|
mask &= ~GL_COLOR_BUFFER_BIT;
|
|
}
|
|
else if (!compatible_color_datatypes(colorReadRb->Format,
|
|
colorDrawRb->Format)) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glBlitFramebufferEXT(color buffer datatypes mismatch)");
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
colorReadRb = colorDrawRb = NULL;
|
|
}
|
|
|
|
if (mask & GL_STENCIL_BUFFER_BIT) {
|
|
struct gl_renderbuffer *readRb =
|
|
readFb->Attachment[BUFFER_STENCIL].Renderbuffer;
|
|
struct gl_renderbuffer *drawRb =
|
|
drawFb->Attachment[BUFFER_STENCIL].Renderbuffer;
|
|
|
|
/* From the EXT_framebuffer_object spec:
|
|
*
|
|
* "If a buffer is specified in <mask> and does not exist in both
|
|
* the read and draw framebuffers, the corresponding bit is silently
|
|
* ignored."
|
|
*/
|
|
if ((readRb == NULL) || (drawRb == NULL)) {
|
|
mask &= ~GL_STENCIL_BUFFER_BIT;
|
|
}
|
|
else if (_mesa_get_format_bits(readRb->Format, GL_STENCIL_BITS) !=
|
|
_mesa_get_format_bits(drawRb->Format, GL_STENCIL_BITS)) {
|
|
/* There is no need to check the stencil datatype here, because
|
|
* there is only one: GL_UNSIGNED_INT.
|
|
*/
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glBlitFramebufferEXT(stencil buffer size mismatch)");
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (mask & GL_DEPTH_BUFFER_BIT) {
|
|
struct gl_renderbuffer *readRb =
|
|
readFb->Attachment[BUFFER_DEPTH].Renderbuffer;
|
|
struct gl_renderbuffer *drawRb =
|
|
drawFb->Attachment[BUFFER_DEPTH].Renderbuffer;
|
|
|
|
/* From the EXT_framebuffer_object spec:
|
|
*
|
|
* "If a buffer is specified in <mask> and does not exist in both
|
|
* the read and draw framebuffers, the corresponding bit is silently
|
|
* ignored."
|
|
*/
|
|
if ((readRb == NULL) || (drawRb == NULL)) {
|
|
mask &= ~GL_DEPTH_BUFFER_BIT;
|
|
}
|
|
else if ((_mesa_get_format_bits(readRb->Format, GL_DEPTH_BITS) !=
|
|
_mesa_get_format_bits(drawRb->Format, GL_DEPTH_BITS)) ||
|
|
(_mesa_get_format_datatype(readRb->Format) !=
|
|
_mesa_get_format_datatype(drawRb->Format))) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glBlitFramebufferEXT(depth buffer format mismatch)");
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (readFb->Visual.samples > 0 &&
|
|
drawFb->Visual.samples > 0 &&
|
|
readFb->Visual.samples != drawFb->Visual.samples) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glBlitFramebufferEXT(mismatched samples)");
|
|
return;
|
|
}
|
|
|
|
/* extra checks for multisample copies... */
|
|
if (readFb->Visual.samples > 0 || drawFb->Visual.samples > 0) {
|
|
/* src and dest region sizes must be the same */
|
|
if (srcX1 - srcX0 != dstX1 - dstX0 ||
|
|
srcY1 - srcY0 != dstY1 - dstY0) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glBlitFramebufferEXT(bad src/dst multisample region sizes)");
|
|
return;
|
|
}
|
|
|
|
/* color formats must match */
|
|
if (colorReadRb &&
|
|
colorDrawRb &&
|
|
colorReadRb->Format != colorDrawRb->Format) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glBlitFramebufferEXT(bad src/dst multisample pixel formats)");
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (filter == GL_LINEAR && (mask & GL_COLOR_BUFFER_BIT)) {
|
|
/* 3.1 spec, page 199:
|
|
* "Calling BlitFramebuffer will result in an INVALID_OPERATION error
|
|
* if filter is LINEAR and read buffer contains integer data."
|
|
*/
|
|
GLenum type = _mesa_get_format_datatype(colorReadRb->Format);
|
|
if (type == GL_INT || type == GL_UNSIGNED_INT) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glBlitFramebufferEXT(integer color type)");
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!ctx->Extensions.EXT_framebuffer_blit) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT");
|
|
return;
|
|
}
|
|
|
|
/* Debug code */
|
|
if (DEBUG_BLIT) {
|
|
printf("glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d,"
|
|
" 0x%x, 0x%x)\n",
|
|
srcX0, srcY0, srcX1, srcY1,
|
|
dstX0, dstY0, dstX1, dstY1,
|
|
mask, filter);
|
|
if (colorReadRb) {
|
|
const struct gl_renderbuffer_attachment *att;
|
|
|
|
att = find_attachment(readFb, colorReadRb);
|
|
printf(" Src FBO %u RB %u (%dx%d) ",
|
|
readFb->Name, colorReadRb->Name,
|
|
colorReadRb->Width, colorReadRb->Height);
|
|
if (att && att->Texture) {
|
|
printf("Tex %u tgt 0x%x level %u face %u",
|
|
att->Texture->Name,
|
|
att->Texture->Target,
|
|
att->TextureLevel,
|
|
att->CubeMapFace);
|
|
}
|
|
printf("\n");
|
|
|
|
att = find_attachment(drawFb, colorDrawRb);
|
|
printf(" Dst FBO %u RB %u (%dx%d) ",
|
|
drawFb->Name, colorDrawRb->Name,
|
|
colorDrawRb->Width, colorDrawRb->Height);
|
|
if (att && att->Texture) {
|
|
printf("Tex %u tgt 0x%x level %u face %u",
|
|
att->Texture->Name,
|
|
att->Texture->Target,
|
|
att->TextureLevel,
|
|
att->CubeMapFace);
|
|
}
|
|
printf("\n");
|
|
}
|
|
}
|
|
|
|
if (!mask) {
|
|
return;
|
|
}
|
|
|
|
ASSERT(ctx->Driver.BlitFramebuffer);
|
|
ctx->Driver.BlitFramebuffer(ctx,
|
|
srcX0, srcY0, srcX1, srcY1,
|
|
dstX0, dstY0, dstX1, dstY1,
|
|
mask, filter);
|
|
}
|
|
#endif /* FEATURE_EXT_framebuffer_blit */
|
|
|
|
|
|
#if FEATURE_ARB_geometry_shader4
|
|
void GLAPIENTRY
|
|
_mesa_FramebufferTextureARB(GLenum target, GLenum attachment,
|
|
GLuint texture, GLint level)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glFramebufferTextureARB "
|
|
"not implemented!");
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_FramebufferTextureFaceARB(GLenum target, GLenum attachment,
|
|
GLuint texture, GLint level, GLenum face)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glFramebufferTextureFaceARB "
|
|
"not implemented!");
|
|
}
|
|
#endif /* FEATURE_ARB_geometry_shader4 */
|