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Diffstat (limited to 'src/mesa/main/teximage.c')
-rw-r--r--src/mesa/main/teximage.c207
1 files changed, 93 insertions, 114 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index a5e0db736e..fdc72ed843 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -1,8 +1,9 @@
/*
* mesa 3-D graphics library
- * Version: 7.1
+ * Version: 7.5
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 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"),
@@ -37,6 +38,7 @@
#endif
#include "fbobject.h"
#include "framebuffer.h"
+#include "hash.h"
#include "image.h"
#include "imports.h"
#include "macros.h"
@@ -253,23 +255,21 @@ _mesa_base_tex_format( GLcontext *ctx, GLint internalFormat )
}
}
- if (ctx->Extensions.ARB_texture_compression) {
- switch (internalFormat) {
- case GL_COMPRESSED_ALPHA:
- return GL_ALPHA;
- case GL_COMPRESSED_LUMINANCE:
- return GL_LUMINANCE;
- case GL_COMPRESSED_LUMINANCE_ALPHA:
- return GL_LUMINANCE_ALPHA;
- case GL_COMPRESSED_INTENSITY:
- return GL_INTENSITY;
- case GL_COMPRESSED_RGB:
- return GL_RGB;
- case GL_COMPRESSED_RGBA:
- return GL_RGBA;
- default:
- ; /* fallthrough */
- }
+ switch (internalFormat) {
+ case GL_COMPRESSED_ALPHA:
+ return GL_ALPHA;
+ case GL_COMPRESSED_LUMINANCE:
+ return GL_LUMINANCE;
+ case GL_COMPRESSED_LUMINANCE_ALPHA:
+ return GL_LUMINANCE_ALPHA;
+ case GL_COMPRESSED_INTENSITY:
+ return GL_INTENSITY;
+ case GL_COMPRESSED_RGB:
+ return GL_RGB;
+ case GL_COMPRESSED_RGBA:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
}
if (ctx->Extensions.TDFX_texture_compression_FXT1) {
@@ -925,6 +925,7 @@ struct gl_texture_image *
_mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level)
{
struct gl_texture_image *texImage;
+ GLuint texIndex;
if (level < 0 )
return NULL;
@@ -933,111 +934,54 @@ _mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level)
case GL_PROXY_TEXTURE_1D:
if (level >= ctx->Const.MaxTextureLevels)
return NULL;
- texImage = ctx->Texture.ProxyTex[TEXTURE_1D_INDEX]->Image[0][level];
- if (!texImage) {
- texImage = ctx->Driver.NewTextureImage(ctx);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
- return NULL;
- }
- ctx->Texture.ProxyTex[TEXTURE_1D_INDEX]->Image[0][level] = texImage;
- /* Set the 'back' pointer */
- texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_1D_INDEX];
- }
- return texImage;
+ texIndex = TEXTURE_1D_INDEX;
+ break;
case GL_PROXY_TEXTURE_2D:
if (level >= ctx->Const.MaxTextureLevels)
return NULL;
- texImage = ctx->Texture.ProxyTex[TEXTURE_2D_INDEX]->Image[0][level];
- if (!texImage) {
- texImage = ctx->Driver.NewTextureImage(ctx);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
- return NULL;
- }
- ctx->Texture.ProxyTex[TEXTURE_2D_INDEX]->Image[0][level] = texImage;
- /* Set the 'back' pointer */
- texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_2D_INDEX];
- }
- return texImage;
+ texIndex = TEXTURE_2D_INDEX;
+ break;
case GL_PROXY_TEXTURE_3D:
if (level >= ctx->Const.Max3DTextureLevels)
return NULL;
- texImage = ctx->Texture.ProxyTex[TEXTURE_3D_INDEX]->Image[0][level];
- if (!texImage) {
- texImage = ctx->Driver.NewTextureImage(ctx);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
- return NULL;
- }
- ctx->Texture.ProxyTex[TEXTURE_3D_INDEX]->Image[0][level] = texImage;
- /* Set the 'back' pointer */
- texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_3D_INDEX];
- }
- return texImage;
+ texIndex = TEXTURE_3D_INDEX;
+ break;
case GL_PROXY_TEXTURE_CUBE_MAP:
if (level >= ctx->Const.MaxCubeTextureLevels)
return NULL;
- texImage = ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX]->Image[0][level];
- if (!texImage) {
- texImage = ctx->Driver.NewTextureImage(ctx);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
- return NULL;
- }
- ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX]->Image[0][level] = texImage;
- /* Set the 'back' pointer */
- texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX];
- }
- return texImage;
+ texIndex = TEXTURE_CUBE_INDEX;
+ break;
case GL_PROXY_TEXTURE_RECTANGLE_NV:
if (level > 0)
return NULL;
- texImage = ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX]->Image[0][level];
- if (!texImage) {
- texImage = ctx->Driver.NewTextureImage(ctx);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
- return NULL;
- }
- ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX]->Image[0][level] = texImage;
- /* Set the 'back' pointer */
- texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX];
- }
- return texImage;
+ texIndex = TEXTURE_RECT_INDEX;
+ break;
case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
if (level >= ctx->Const.MaxTextureLevels)
return NULL;
- texImage = ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX]->Image[0][level];
- if (!texImage) {
- texImage = ctx->Driver.NewTextureImage(ctx);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
- return NULL;
- }
- ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX]->Image[0][level] = texImage;
- /* Set the 'back' pointer */
- texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX];
- }
- return texImage;
+ texIndex = TEXTURE_1D_ARRAY_INDEX;
+ break;
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
if (level >= ctx->Const.MaxTextureLevels)
return NULL;
- texImage = ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX]->Image[0][level];
- if (!texImage) {
- texImage = ctx->Driver.NewTextureImage(ctx);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
- return NULL;
- }
- ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX]->Image[0][level] = texImage;
- /* Set the 'back' pointer */
- texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX];
- }
- return texImage;
+ texIndex = TEXTURE_2D_ARRAY_INDEX;
+ break;
default:
return NULL;
}
+
+ texImage = ctx->Texture.ProxyTex[texIndex]->Image[0][level];
+ if (!texImage) {
+ texImage = ctx->Driver.NewTextureImage(ctx);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
+ return NULL;
+ }
+ ctx->Texture.ProxyTex[texIndex]->Image[0][level] = texImage;
+ /* Set the 'back' pointer */
+ texImage->TexObject = ctx->Texture.ProxyTex[texIndex];
+ }
+ return texImage;
}
@@ -2235,7 +2179,8 @@ copytexsubimage_error_check2( GLcontext *ctx, GLuint dimensions,
if (!_mesa_source_buffer_exists(ctx, teximage->_BaseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexSubImage%dD(missing readbuffer)", dimensions);
+ "glCopyTexSubImage%dD(missing readbuffer, format=0x%x)",
+ dimensions, teximage->_BaseFormat);
return GL_TRUE;
}
@@ -2391,23 +2336,33 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
}
+/** Callback info for walking over FBO hash table */
+struct cb_info
+{
+ GLcontext *ctx;
+ struct gl_texture_object *texObj;
+ GLuint level, face;
+};
+
/**
- * Check if the given texture image is bound to any framebuffer objects
- * and update/invalidate them.
- * XXX We're only checking the currently bound framebuffer object for now.
- * In the future, perhaps struct gl_texture_image should have a pointer (or
- * list of pointers (yikes)) to the gl_framebuffer(s) which it's bound to.
+ * Check render to texture callback. Called from _mesa_HashWalk().
*/
static void
-update_fbo_texture(GLcontext *ctx, struct gl_texture_object *texObj,
- GLuint face, GLuint level)
+check_rtt_cb(GLuint key, void *data, void *userData)
{
- if (ctx->DrawBuffer->Name) {
+ struct gl_framebuffer *fb = (struct gl_framebuffer *) data;
+ const struct cb_info *info = (struct cb_info *) userData;
+ GLcontext *ctx = info->ctx;
+ const struct gl_texture_object *texObj = info->texObj;
+ const GLuint level = info->level, face = info->face;
+
+ /* If this is a user-created FBO */
+ if (fb->Name) {
GLuint i;
+ /* check if any of the FBO's attachments point to 'texObj' */
for (i = 0; i < BUFFER_COUNT; i++) {
- struct gl_renderbuffer_attachment *att =
- ctx->DrawBuffer->Attachment + i;
+ struct gl_renderbuffer_attachment *att = fb->Attachment + i;
if (att->Type == GL_TEXTURE &&
att->Texture == texObj &&
att->TextureLevel == level &&
@@ -2415,12 +2370,36 @@ update_fbo_texture(GLcontext *ctx, struct gl_texture_object *texObj,
ASSERT(att->Texture->Image[att->CubeMapFace][att->TextureLevel]);
/* Tell driver about the new renderbuffer texture */
ctx->Driver.RenderTexture(ctx, ctx->DrawBuffer, att);
+ /* Mark fb status as indeterminate to force re-validation */
+ fb->_Status = 0;
}
}
}
}
+/**
+ * When a texture image is specified we have to check if it's bound to
+ * any framebuffer objects (render to texture) in order to detect changes
+ * in size or format since that effects FBO completeness.
+ * Any FBOs rendering into the texture must be re-validated.
+ */
+static void
+update_fbo_texture(GLcontext *ctx, struct gl_texture_object *texObj,
+ GLuint face, GLuint level)
+{
+ /* Only check this texture if it's been marked as RenderToTexture */
+ if (texObj->_RenderToTexture) {
+ struct cb_info info;
+ info.ctx = ctx;
+ info.texObj = texObj;
+ info.level = level;
+ info.face = face;
+ _mesa_HashWalk(ctx->Shared->FrameBuffers, check_rtt_cb, &info);
+ }
+}
+
+
/*
* Called from the API. Note that width includes the border.
@@ -2614,7 +2593,7 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
1, border)) {
/* when error, clear all proxy texture image parameters */
if (texImage)
- clear_teximage_fields(ctx->Texture.ProxyTex[TEXTURE_2D_INDEX]->Image[0][level]);
+ clear_teximage_fields(texImage);
}
else {
/* no error, set the tex image parameters */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-11 21:12:04 +0000