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meta: Don't do srgb to linear decode when blitting srgb textures.

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Fixes the GL_SRGB8_ALPHA8 -> GL_RGBA8 blits in fbo-srgb-blit.c

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Eric Anholt
2011-06-01 13:00:14 -07:00
parent 164108e3db
commit a513bee2f2
1 changed files with 10 additions and 0 deletions
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src/mesa/drivers/common/meta.c
+10
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@@ -1186,6 +1186,7 @@ blitframebuffer_texture(struct gl_context *ctx,
const GLint maxLevelSave = texObj->MaxLevel;
const GLenum wrapSSave = texObj->Sampler.WrapS;
const GLenum wrapTSave = texObj->Sampler.WrapT;
const GLenum srgbSave = texObj->Sampler.sRGBDecode;
const GLenum target = texObj->Target;
if (drawAtt->Texture == readAtt->Texture) {
@@ -1217,6 +1218,12 @@ blitframebuffer_texture(struct gl_context *ctx,
}
_mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
_mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
if (ctx->Extensions.EXT_texture_sRGB_decode) {
_mesa_TexParameteri(target, GL_TEXTURE_SRGB_DECODE_EXT,
GL_SKIP_DECODE_EXT);
}
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
_mesa_set_enable(ctx, target, GL_TRUE);
@@ -1278,6 +1285,9 @@ blitframebuffer_texture(struct gl_context *ctx,
}
_mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, wrapSSave);
_mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, wrapTSave);
if (ctx->Extensions.EXT_texture_sRGB_decode) {
_mesa_TexParameteri(target, GL_TEXTURE_SRGB_DECODE_EXT, srgbSave);
}
/* Done with color buffer */
mask &= ~GL_COLOR_BUFFER_BIT;