068ba4ac78
create_texture_for_pbo() is shared by _mesa_meta_pbo_GetTexSubImage() and _mesa_meta_pbo_TexSubImage() functions. So, we need to account for both pack and unpack buffer objects. Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com> Reviewed-by: Neil Roberts <neil@linux.intel.com>
389 lines
14 KiB
C
389 lines
14 KiB
C
/*
|
|
* Mesa 3-D graphics library
|
|
*
|
|
* Copyright (C) 2015 Intel Corporation. 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
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
|
|
*
|
|
* Authors:
|
|
* Jason Ekstrand <jason.ekstrand@intel.com>
|
|
*/
|
|
|
|
#include "bufferobj.h"
|
|
#include "buffers.h"
|
|
#include "fbobject.h"
|
|
#include "glformats.h"
|
|
#include "glheader.h"
|
|
#include "image.h"
|
|
#include "macros.h"
|
|
#include "meta.h"
|
|
#include "pbo.h"
|
|
#include "shaderapi.h"
|
|
#include "state.h"
|
|
#include "teximage.h"
|
|
#include "texobj.h"
|
|
#include "texstate.h"
|
|
#include "uniforms.h"
|
|
#include "varray.h"
|
|
|
|
static struct gl_texture_image *
|
|
create_texture_for_pbo(struct gl_context *ctx, bool create_pbo,
|
|
GLenum pbo_target, int width, int height,
|
|
GLenum format, GLenum type, const void *pixels,
|
|
const struct gl_pixelstore_attrib *packing,
|
|
GLuint *tmp_pbo, GLuint *tmp_tex)
|
|
{
|
|
uint32_t pbo_format;
|
|
GLenum internal_format;
|
|
unsigned row_stride;
|
|
struct gl_buffer_object *buffer_obj;
|
|
struct gl_texture_object *tex_obj;
|
|
struct gl_texture_image *tex_image;
|
|
bool read_only;
|
|
|
|
if (packing->SwapBytes ||
|
|
packing->LsbFirst ||
|
|
packing->Invert)
|
|
return NULL;
|
|
|
|
pbo_format = _mesa_format_from_format_and_type(format, type);
|
|
if (_mesa_format_is_mesa_array_format(pbo_format))
|
|
pbo_format = _mesa_format_from_array_format(pbo_format);
|
|
|
|
if (!pbo_format || !ctx->TextureFormatSupported[pbo_format])
|
|
return NULL;
|
|
|
|
/* Account for SKIP_PIXELS, SKIP_ROWS, ALIGNMENT, and SKIP_IMAGES */
|
|
pixels = _mesa_image_address3d(packing, pixels,
|
|
width, height, format, type, 0, 0, 0);
|
|
row_stride = _mesa_image_row_stride(packing, width, format, type);
|
|
|
|
if (_mesa_is_bufferobj(packing->BufferObj)) {
|
|
*tmp_pbo = 0;
|
|
buffer_obj = packing->BufferObj;
|
|
} else {
|
|
assert(create_pbo);
|
|
bool is_pixel_pack = pbo_target == GL_PIXEL_PACK_BUFFER;
|
|
|
|
_mesa_GenBuffers(1, tmp_pbo);
|
|
|
|
/* We are not doing this inside meta_begin/end. However, we know the
|
|
* client doesn't have the given target bound, so we can go ahead and
|
|
* squash it. We'll set it back when we're done.
|
|
*/
|
|
_mesa_BindBuffer(pbo_target, *tmp_pbo);
|
|
|
|
if (is_pixel_pack)
|
|
_mesa_BufferData(pbo_target, row_stride * height, pixels,
|
|
GL_STREAM_READ);
|
|
else
|
|
_mesa_BufferData(pbo_target, row_stride * height, pixels,
|
|
GL_STREAM_DRAW);
|
|
|
|
buffer_obj = packing->BufferObj;
|
|
pixels = NULL;
|
|
|
|
_mesa_BindBuffer(pbo_target, 0);
|
|
}
|
|
|
|
_mesa_GenTextures(1, tmp_tex);
|
|
tex_obj = _mesa_lookup_texture(ctx, *tmp_tex);
|
|
_mesa_initialize_texture_object(ctx, tex_obj, *tmp_tex, GL_TEXTURE_2D);
|
|
/* This must be set after _mesa_initialize_texture_object, not before. */
|
|
tex_obj->Immutable = GL_TRUE;
|
|
/* This is required for interactions with ARB_texture_view. */
|
|
tex_obj->NumLayers = 1;
|
|
|
|
internal_format = _mesa_get_format_base_format(pbo_format);
|
|
|
|
tex_image = _mesa_get_tex_image(ctx, tex_obj, tex_obj->Target, 0);
|
|
_mesa_init_teximage_fields(ctx, tex_image, width, height, 1,
|
|
0, internal_format, pbo_format);
|
|
|
|
read_only = pbo_target == GL_PIXEL_UNPACK_BUFFER;
|
|
if (!ctx->Driver.SetTextureStorageForBufferObject(ctx, tex_obj,
|
|
buffer_obj,
|
|
(intptr_t)pixels,
|
|
row_stride,
|
|
read_only)) {
|
|
_mesa_DeleteTextures(1, tmp_tex);
|
|
_mesa_DeleteBuffers(1, tmp_pbo);
|
|
return NULL;
|
|
}
|
|
|
|
return tex_image;
|
|
}
|
|
|
|
bool
|
|
_mesa_meta_pbo_TexSubImage(struct gl_context *ctx, GLuint dims,
|
|
struct gl_texture_image *tex_image,
|
|
int xoffset, int yoffset, int zoffset,
|
|
int width, int height, int depth,
|
|
GLenum format, GLenum type, const void *pixels,
|
|
bool allocate_storage, bool create_pbo,
|
|
const struct gl_pixelstore_attrib *packing)
|
|
{
|
|
GLuint pbo = 0, pbo_tex = 0, fbos[2] = { 0, 0 };
|
|
struct gl_texture_image *pbo_tex_image;
|
|
GLenum status;
|
|
bool success = false;
|
|
int z, iters;
|
|
|
|
/* XXX: This should probably be passed in from somewhere */
|
|
const char *where = "_mesa_meta_pbo_TexSubImage";
|
|
|
|
if (!_mesa_is_bufferobj(packing->BufferObj) && !create_pbo)
|
|
return false;
|
|
|
|
if (format == GL_DEPTH_COMPONENT ||
|
|
format == GL_DEPTH_STENCIL ||
|
|
format == GL_STENCIL_INDEX ||
|
|
format == GL_COLOR_INDEX)
|
|
return false;
|
|
|
|
if (ctx->_ImageTransferState)
|
|
return false;
|
|
|
|
if (!_mesa_validate_pbo_access(dims, packing, width, height, depth,
|
|
format, type, INT_MAX, pixels)) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"%s(out of bounds PBO access)", where);
|
|
return true;
|
|
}
|
|
|
|
if (_mesa_check_disallowed_mapping(packing->BufferObj)) {
|
|
/* buffer is mapped - that's an error */
|
|
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(PBO is mapped)", where);
|
|
return true;
|
|
}
|
|
|
|
/* Only accept tightly packed pixels from the user. */
|
|
if (packing->ImageHeight != 0 && packing->ImageHeight != height)
|
|
return false;
|
|
|
|
/* For arrays, use a tall (height * depth) 2D texture. */
|
|
pbo_tex_image = create_texture_for_pbo(ctx, create_pbo,
|
|
GL_PIXEL_UNPACK_BUFFER,
|
|
width, height * depth,
|
|
format, type, pixels, packing,
|
|
&pbo, &pbo_tex);
|
|
if (!pbo_tex_image)
|
|
return false;
|
|
|
|
if (allocate_storage)
|
|
ctx->Driver.AllocTextureImageBuffer(ctx, tex_image);
|
|
|
|
/* Only stash the current FBO */
|
|
_mesa_meta_begin(ctx, 0);
|
|
|
|
_mesa_GenFramebuffers(2, fbos);
|
|
_mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, fbos[0]);
|
|
_mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbos[1]);
|
|
|
|
_mesa_meta_bind_fbo_image(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
pbo_tex_image, 0);
|
|
/* If this passes on the first layer it should pass on the others */
|
|
status = _mesa_CheckFramebufferStatus(GL_READ_FRAMEBUFFER);
|
|
if (status != GL_FRAMEBUFFER_COMPLETE)
|
|
goto fail;
|
|
|
|
_mesa_meta_bind_fbo_image(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
tex_image, zoffset);
|
|
/* If this passes on the first layer it should pass on the others */
|
|
status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
|
|
if (status != GL_FRAMEBUFFER_COMPLETE)
|
|
goto fail;
|
|
|
|
_mesa_update_state(ctx);
|
|
|
|
if (_mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
|
|
0, 0, width, height,
|
|
xoffset, yoffset,
|
|
xoffset + width, yoffset + height,
|
|
GL_COLOR_BUFFER_BIT, GL_NEAREST))
|
|
goto fail;
|
|
|
|
iters = tex_image->TexObject->Target == GL_TEXTURE_1D_ARRAY ?
|
|
height : depth;
|
|
|
|
for (z = 1; z < iters; z++) {
|
|
_mesa_meta_bind_fbo_image(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
pbo_tex_image, z);
|
|
_mesa_meta_bind_fbo_image(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
tex_image, zoffset + z);
|
|
|
|
_mesa_update_state(ctx);
|
|
|
|
if (tex_image->TexObject->Target == GL_TEXTURE_1D_ARRAY)
|
|
_mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
|
|
0, z, width, z + 1,
|
|
xoffset, yoffset,
|
|
xoffset + width, yoffset + 1,
|
|
GL_COLOR_BUFFER_BIT, GL_NEAREST);
|
|
else
|
|
_mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
|
|
0, z * height, width, (z + 1) * height,
|
|
xoffset, yoffset,
|
|
xoffset + width, yoffset + height,
|
|
GL_COLOR_BUFFER_BIT, GL_NEAREST);
|
|
}
|
|
|
|
success = true;
|
|
|
|
fail:
|
|
_mesa_DeleteFramebuffers(2, fbos);
|
|
_mesa_DeleteTextures(1, &pbo_tex);
|
|
_mesa_DeleteBuffers(1, &pbo);
|
|
|
|
_mesa_meta_end(ctx);
|
|
|
|
return success;
|
|
}
|
|
|
|
bool
|
|
_mesa_meta_pbo_GetTexSubImage(struct gl_context *ctx, GLuint dims,
|
|
struct gl_texture_image *tex_image,
|
|
int xoffset, int yoffset, int zoffset,
|
|
int width, int height, int depth,
|
|
GLenum format, GLenum type, const void *pixels,
|
|
const struct gl_pixelstore_attrib *packing)
|
|
{
|
|
GLuint pbo = 0, pbo_tex = 0, fbos[2] = { 0, 0 };
|
|
struct gl_texture_image *pbo_tex_image;
|
|
GLenum status;
|
|
bool success = false;
|
|
int z, iters;
|
|
|
|
/* XXX: This should probably be passed in from somewhere */
|
|
const char *where = "_mesa_meta_pbo_GetTexSubImage";
|
|
|
|
if (!_mesa_is_bufferobj(packing->BufferObj))
|
|
return false;
|
|
|
|
if (format == GL_DEPTH_COMPONENT ||
|
|
format == GL_DEPTH_STENCIL ||
|
|
format == GL_STENCIL_INDEX ||
|
|
format == GL_COLOR_INDEX)
|
|
return false;
|
|
|
|
if (ctx->_ImageTransferState)
|
|
return false;
|
|
|
|
if (!_mesa_validate_pbo_access(dims, packing, width, height, depth,
|
|
format, type, INT_MAX, pixels)) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"%s(out of bounds PBO access)", where);
|
|
return true;
|
|
}
|
|
|
|
if (_mesa_check_disallowed_mapping(packing->BufferObj)) {
|
|
/* buffer is mapped - that's an error */
|
|
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(PBO is mapped)", where);
|
|
return true;
|
|
}
|
|
|
|
/* Only accept tightly packed pixels from the user. */
|
|
if (packing->ImageHeight != 0 && packing->ImageHeight != height)
|
|
return false;
|
|
|
|
/* For arrays, use a tall (height * depth) 2D texture. */
|
|
pbo_tex_image = create_texture_for_pbo(ctx, false, GL_PIXEL_PACK_BUFFER,
|
|
width, height * depth,
|
|
format, type, pixels, packing,
|
|
&pbo, &pbo_tex);
|
|
if (!pbo_tex_image)
|
|
return false;
|
|
|
|
/* Only stash the current FBO */
|
|
_mesa_meta_begin(ctx, 0);
|
|
|
|
_mesa_GenFramebuffers(2, fbos);
|
|
|
|
/* If we were given a texture, bind it to the read framebuffer. If not,
|
|
* we're doing a ReadPixels and we should just use whatever framebuffer
|
|
* the client has bound.
|
|
*/
|
|
if (tex_image) {
|
|
_mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, fbos[0]);
|
|
_mesa_meta_bind_fbo_image(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
tex_image, zoffset);
|
|
/* If this passes on the first layer it should pass on the others */
|
|
status = _mesa_CheckFramebufferStatus(GL_READ_FRAMEBUFFER);
|
|
if (status != GL_FRAMEBUFFER_COMPLETE)
|
|
goto fail;
|
|
} else {
|
|
assert(depth == 1);
|
|
}
|
|
|
|
_mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbos[1]);
|
|
_mesa_meta_bind_fbo_image(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
pbo_tex_image, 0);
|
|
/* If this passes on the first layer it should pass on the others */
|
|
status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
|
|
if (status != GL_FRAMEBUFFER_COMPLETE)
|
|
goto fail;
|
|
|
|
_mesa_update_state(ctx);
|
|
|
|
if (_mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
|
|
xoffset, yoffset,
|
|
xoffset + width, yoffset + height,
|
|
0, 0, width, height,
|
|
GL_COLOR_BUFFER_BIT, GL_NEAREST))
|
|
goto fail;
|
|
|
|
if (tex_image && tex_image->TexObject->Target == GL_TEXTURE_1D_ARRAY)
|
|
iters = height;
|
|
else
|
|
iters = depth;
|
|
|
|
for (z = 1; z < iters; z++) {
|
|
_mesa_meta_bind_fbo_image(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
tex_image, zoffset + z);
|
|
_mesa_meta_bind_fbo_image(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
pbo_tex_image, z);
|
|
|
|
_mesa_update_state(ctx);
|
|
|
|
if (tex_image->TexObject->Target == GL_TEXTURE_1D_ARRAY)
|
|
_mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
|
|
xoffset, yoffset,
|
|
xoffset + width, yoffset + 1,
|
|
0, z, width, z + 1,
|
|
GL_COLOR_BUFFER_BIT, GL_NEAREST);
|
|
else
|
|
_mesa_meta_BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
|
|
xoffset, yoffset,
|
|
xoffset + width, yoffset + height,
|
|
0, z * height, width, (z + 1) * height,
|
|
GL_COLOR_BUFFER_BIT, GL_NEAREST);
|
|
}
|
|
|
|
success = true;
|
|
|
|
fail:
|
|
_mesa_DeleteFramebuffers(2, fbos);
|
|
_mesa_DeleteTextures(1, &pbo_tex);
|
|
_mesa_DeleteBuffers(1, &pbo);
|
|
|
|
_mesa_meta_end(ctx);
|
|
|
|
return success;
|
|
}
|