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path: root/mesalib/src/mesa/main/teximage.c
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Diffstat (limited to 'mesalib/src/mesa/main/teximage.c')
-rw-r--r--mesalib/src/mesa/main/teximage.c36
1 files changed, 21 insertions, 15 deletions
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index cdb090542..3cf74f295 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -1247,11 +1247,12 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
switch (target) {
case GL_PROXY_TEXTURE_1D:
- maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
- if (width < 2 * border || width > 2 * border + maxSize)
- return GL_FALSE;
if (level >= ctx->Const.MaxTextureLevels)
return GL_FALSE;
+ maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); /* level zero size */
+ maxSize >>= level; /* level size */
+ if (width < 2 * border || width > 2 * border + maxSize)
+ return GL_FALSE;
if (!ctx->Extensions.ARB_texture_non_power_of_two) {
if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
return GL_FALSE;
@@ -1259,13 +1260,14 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
return GL_TRUE;
case GL_PROXY_TEXTURE_2D:
+ if (level >= ctx->Const.MaxTextureLevels)
+ return GL_FALSE;
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
+ maxSize >>= level;
if (width < 2 * border || width > 2 * border + maxSize)
return GL_FALSE;
if (height < 2 * border || height > 2 * border + maxSize)
return GL_FALSE;
- if (level >= ctx->Const.MaxTextureLevels)
- return GL_FALSE;
if (!ctx->Extensions.ARB_texture_non_power_of_two) {
if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
return GL_FALSE;
@@ -1275,15 +1277,16 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
return GL_TRUE;
case GL_PROXY_TEXTURE_3D:
+ if (level >= ctx->Const.Max3DTextureLevels)
+ return GL_FALSE;
maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
+ maxSize >>= level;
if (width < 2 * border || width > 2 * border + maxSize)
return GL_FALSE;
if (height < 2 * border || height > 2 * border + maxSize)
return GL_FALSE;
if (depth < 2 * border || depth > 2 * border + maxSize)
return GL_FALSE;
- if (level >= ctx->Const.Max3DTextureLevels)
- return GL_FALSE;
if (!ctx->Extensions.ARB_texture_non_power_of_two) {
if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
return GL_FALSE;
@@ -1295,23 +1298,24 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
return GL_TRUE;
case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ if (level != 0)
+ return GL_FALSE;
maxSize = ctx->Const.MaxTextureRectSize;
if (width < 0 || width > maxSize)
return GL_FALSE;
if (height < 0 || height > maxSize)
return GL_FALSE;
- if (level != 0)
- return GL_FALSE;
return GL_TRUE;
case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+ if (level >= ctx->Const.MaxCubeTextureLevels)
+ return GL_FALSE;
maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
+ maxSize >>= level;
if (width < 2 * border || width > 2 * border + maxSize)
return GL_FALSE;
if (height < 2 * border || height > 2 * border + maxSize)
return GL_FALSE;
- if (level >= ctx->Const.MaxCubeTextureLevels)
- return GL_FALSE;
if (!ctx->Extensions.ARB_texture_non_power_of_two) {
if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
return GL_FALSE;
@@ -1321,13 +1325,14 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
return GL_TRUE;
case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
+ if (level >= ctx->Const.MaxTextureLevels)
+ return GL_FALSE;
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
+ maxSize >>= level;
if (width < 2 * border || width > 2 * border + maxSize)
return GL_FALSE;
if (height < 1 || height > ctx->Const.MaxArrayTextureLayers)
return GL_FALSE;
- if (level >= ctx->Const.MaxTextureLevels)
- return GL_FALSE;
if (!ctx->Extensions.ARB_texture_non_power_of_two) {
if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
return GL_FALSE;
@@ -1335,15 +1340,16 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
return GL_TRUE;
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+ if (level >= ctx->Const.MaxTextureLevels)
+ return GL_FALSE;
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
+ maxSize >>= level;
if (width < 2 * border || width > 2 * border + maxSize)
return GL_FALSE;
if (height < 2 * border || height > 2 * border + maxSize)
return GL_FALSE;
if (depth < 1 || depth > ctx->Const.MaxArrayTextureLayers)
return GL_FALSE;
- if (level >= ctx->Const.MaxTextureLevels)
- return GL_FALSE;
if (!ctx->Extensions.ARB_texture_non_power_of_two) {
if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
return GL_FALSE;