OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Initial work for GL_EXT_packed_depth_stencil extension.

Browse Source 
glReadPixels done, glDrawPixels mostly done.
This commit is contained in:
Brian Paul
2005-09-28 02:29:50 +00:00
parent b955474093
commit 1ad7b99925
20 changed files with 626 additions and 99 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
src/mesa/main/fbobject.c
View File

@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
* Version: 6.3
* Version: 6.5
*
* Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
*
@@ -289,7 +289,14 @@ test_attachment_completeness(const GLcontext *ctx, GLenum format,
}
}
else if (format == GL_DEPTH) {
if (texImage->TexFormat->BaseFormat != GL_DEPTH_COMPONENT) {
if (texImage->TexFormat->BaseFormat == GL_DEPTH_COMPONENT) {
/* OK */
}
else if (ctx->Extensions.EXT_packed_depth_stencil &&
att->Renderbuffer->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
/* OK */
}
else {
att->Complete = GL_FALSE;
return;
}
@@ -313,14 +320,28 @@ test_attachment_completeness(const GLcontext *ctx, GLenum format,
}
}
else if (format == GL_DEPTH) {
if (att->Renderbuffer->_BaseFormat != GL_DEPTH_COMPONENT) {
if (att->Renderbuffer->_BaseFormat == GL_DEPTH_COMPONENT) {
/* OK */
}
else if (ctx->Extensions.EXT_packed_depth_stencil &&
att->Renderbuffer->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
/* OK */
}
else {
att->Complete = GL_FALSE;
return;
}
}
else {
assert(format == GL_STENCIL);
if (att->Renderbuffer->_BaseFormat != GL_STENCIL_INDEX) {
if (att->Renderbuffer->_BaseFormat == GL_STENCIL_INDEX) {
/* OK */
}
else if (ctx->Extensions.EXT_packed_depth_stencil &&
att->Renderbuffer->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
/* OK */
}
else {
att->Complete = GL_FALSE;
return;
}
@@ -390,6 +411,7 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
f = att->Texture->Image[att->CubeMapFace][att->TextureLevel]->Format;
numImages++;
if (f != GL_RGB && f != GL_RGBA && f != GL_DEPTH_COMPONENT) {
/* XXX need GL_DEPTH_STENCIL_EXT test? */
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
return;
}
@@ -449,14 +471,17 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
}
}
/* Check if any renderbuffer is attached more than once */
/* Check if any renderbuffer is attached more than once.
* Note that there's one exception: a GL_DEPTH_STENCIL renderbuffer can be
* bound to both the stencil and depth attachment points at the same time.
*/
for (i = 0; i < BUFFER_COUNT - 1; i++) {
struct gl_renderbuffer *rb_i = fb->Attachment[i].Renderbuffer;
if (rb_i) {
GLint j;
for (j = i + 1; j < BUFFER_COUNT; j++) {
struct gl_renderbuffer *rb_j = fb->Attachment[j].Renderbuffer;
if (rb_i == rb_j) {
if (rb_i == rb_j && rb_i->_BaseFormat != GL_DEPTH_STENCIL_EXT) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT_EXT;
return;
}
@@ -607,7 +632,7 @@ _mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers)
* Given an internal format token for a render buffer, return the
* corresponding base format.
* \return one of GL_RGB, GL_RGBA, GL_STENCIL_INDEX, GL_DEPTH_COMPONENT
* or zero if error.
* GL_DEPTH_STENCIL_EXT or zero if error.
*/
static GLenum
base_internal_format(GLcontext *ctx, GLenum internalFormat)
@@ -642,6 +667,12 @@ base_internal_format(GLcontext *ctx, GLenum internalFormat)
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;
/* XXX add floating point formats eventually */
default:
return 0;
@@ -781,7 +812,8 @@ _mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params)
}
break;
case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
if (ctx->CurrentRenderbuffer->_BaseFormat == GL_DEPTH_COMPONENT) {
if (ctx->CurrentRenderbuffer->_BaseFormat == GL_DEPTH_COMPONENT ||
ctx->CurrentRenderbuffer->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
*params = ctx->CurrentRenderbuffer->DepthBits;
}
else {
@@ -789,7 +821,8 @@ _mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params)
}
break;
case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
if (ctx->CurrentRenderbuffer->_BaseFormat == GL_STENCIL_INDEX) {
if (ctx->CurrentRenderbuffer->_BaseFormat == GL_STENCIL_INDEX ||
ctx->CurrentRenderbuffer->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
*params = ctx->CurrentRenderbuffer->StencilBits;
}
else {