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authorBrian Paul <[email protected]>2010-12-07 21:37:20 -0700
committerBrian Paul <[email protected]>2010-12-07 21:37:20 -0700
commitc64447f47de168e82086bc2fb483817b82e59cab (patch)
tree366b0b5d37b1eaccb29f4d404036e04364cad481
parent4ff70b7a8f5f6383d8f320e68d798d0654799210 (diff)
mesa: make _mesa_test_proxy_teximage() easier to read
-rw-r--r--src/mesa/main/teximage.c126
1 files changed, 71 insertions, 55 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index e5f23dd18fe..5ee9af9c936 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -1219,94 +1219,110 @@ _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 + maxSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two &&
- width >0 && !_mesa_is_pow_two(width - 2 * border)) ||
- level >= ctx->Const.MaxTextureLevels) {
- /* bad width or level */
+ if (width < 2 * border || width > 2 + 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;
}
return GL_TRUE;
+
case GL_PROXY_TEXTURE_2D:
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two &&
- width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
- height < 2 * border || height > 2 + maxSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two &&
- height > 0 && !_mesa_is_pow_two(height - 2 * border)) ||
- level >= ctx->Const.MaxTextureLevels) {
- /* bad width or height or level */
+ if (width < 2 * border || width > 2 + maxSize)
+ return GL_FALSE;
+ if (height < 2 * border || height > 2 + 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;
+ if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
+ return GL_FALSE;
}
return GL_TRUE;
+
case GL_PROXY_TEXTURE_3D:
maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two &&
- width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
- height < 2 * border || height > 2 + maxSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two &&
- height > 0 && !_mesa_is_pow_two(height - 2 * border)) ||
- depth < 2 * border || depth > 2 + maxSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two &&
- depth > 0 && !_mesa_is_pow_two(depth - 2 * border)) ||
- level >= ctx->Const.Max3DTextureLevels) {
- /* bad width or height or depth or level */
+ if (width < 2 * border || width > 2 + maxSize)
+ return GL_FALSE;
+ if (height < 2 * border || height > 2 + maxSize)
return GL_FALSE;
+ if (depth < 2 * border || depth > 2 + 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;
+ if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
+ return GL_FALSE;
+ if (depth > 0 && !_mesa_is_pow_two(depth - 2 * border))
+ return GL_FALSE;
}
return GL_TRUE;
+
case GL_PROXY_TEXTURE_RECTANGLE_NV:
- if (width < 0 || width > ctx->Const.MaxTextureRectSize ||
- height < 0 || height > ctx->Const.MaxTextureRectSize ||
- level != 0) {
- /* bad width or height or level */
+ 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:
maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two &&
- width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
- height < 2 * border || height > 2 + maxSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two &&
- height > 0 && !_mesa_is_pow_two(height - 2 * border)) ||
- level >= ctx->Const.MaxCubeTextureLevels) {
- /* bad width or height */
+ if (width < 2 * border || width > 2 + maxSize)
+ return GL_FALSE;
+ if (height < 2 * border || height > 2 + 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;
+ if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
+ return GL_FALSE;
}
return GL_TRUE;
+
case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two &&
- width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
- level >= ctx->Const.MaxTextureLevels) {
- /* bad width or level */
+ if (width < 2 * border || width > 2 + maxSize)
return GL_FALSE;
- }
-
- if (height < 1 || height > ctx->Const.MaxArrayTextureLayers) {
+ 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;
}
return GL_TRUE;
+
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two &&
- width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
- height < 2 * border || height > 2 + maxSize ||
- (!ctx->Extensions.ARB_texture_non_power_of_two &&
- height > 0 && !_mesa_is_pow_two(height - 2 * border)) ||
- level >= ctx->Const.MaxTextureLevels) {
- /* bad width or height or level */
+ if (width < 2 * border || width > 2 + maxSize)
return GL_FALSE;
- }
- if (depth < 1 || depth > ctx->Const.MaxArrayTextureLayers) {
+ if (height < 2 * border || height > 2 + 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;
+ if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
+ return GL_FALSE;
}
return GL_TRUE;
+
default:
_mesa_problem(ctx, "Invalid target in _mesa_test_proxy_teximage");
return GL_FALSE;