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authorBrian Paul <brianp@vmware.com>2009-01-30 15:51:58 -0700
committerBrian Paul <brianp@vmware.com>2009-01-30 16:03:32 -0700
commit80684649a6d01f0e0517b14f61cbcad6fa101929 (patch)
tree6a3d9ac513f25f8bd6ad41538d617212a690338a /src/mesa
parentea4b183b8c3730ec2c6b5152cad1a68889634487 (diff)
mesa: simplify the _mesa_get_proxy_tex_image() function
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/main/teximage.c115
1 files changed, 30 insertions, 85 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index a64e2c111b..d119d22b54 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"),
@@ -924,6 +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;
@@ -932,111 +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;
}