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-rw-r--r--src/mesa/drivers/common/meta_generate_mipmap.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mesa/drivers/common/meta_generate_mipmap.c b/src/mesa/drivers/common/meta_generate_mipmap.c
index d12806c3d3d..4b1718df92e 100644
--- a/src/mesa/drivers/common/meta_generate_mipmap.c
+++ b/src/mesa/drivers/common/meta_generate_mipmap.c
@@ -43,6 +43,7 @@
#include "main/varray.h"
#include "main/viewport.h"
#include "drivers/common/meta.h"
+#include "program/prog_instruction.h"
/**
@@ -168,6 +169,8 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
GLenum faceTarget;
GLuint dstLevel;
GLuint samplerSave;
+ GLint swizzle[4];
+ GLboolean swizzleSaved = GL_FALSE;
if (fallback_required(ctx, target, texObj)) {
_mesa_generate_mipmap(ctx, target, texObj);
@@ -231,6 +234,13 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
_mesa_TexParameteri(target, GL_GENERATE_MIPMAP, GL_FALSE);
+ if (texObj->_Swizzle != SWIZZLE_NOOP) {
+ static const GLint swizzleNoop[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
+ memcpy(swizzle, texObj->Swizzle, sizeof(swizzle));
+ swizzleSaved = GL_TRUE;
+ _mesa_TexParameteriv(target, GL_TEXTURE_SWIZZLE_RGBA, swizzleNoop);
+ }
+
/* Silence valgrind warnings about reading uninitialized stack. */
memset(verts, 0, sizeof(verts));
@@ -347,4 +357,6 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
_mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, maxLevelSave);
if (genMipmapSave)
_mesa_TexParameteri(target, GL_GENERATE_MIPMAP, genMipmapSave);
+ if (swizzleSaved)
+ _mesa_TexParameteriv(target, GL_TEXTURE_SWIZZLE_RGBA, swizzle);
}