mesa: lift _mesa_set_fetch_functions() calls out of drivers

Call it from in the main Mesa glTexImage functions.

3 files changed, 26 insertions, 15 deletions

diff --git a/src/mesa/main/texfetch.c b/src/mesa/main/texfetch.c
index 6b7db584f8..851659e9c5 100644
--- a/src/mesa/main/texfetch.c
+++ b/src/mesa/main/texfetch.c
@@ -595,6 +595,7 @@ fetch_texel_float_to_chan(const struct gl_texture_image *texImage,
 }
 
 
+#if 0
 /**
  * Adaptor for fetching a float texel from a GLchan-valued texture.
  */
@@ -620,6 +621,7 @@ fetch_texel_chan_to_float(const struct gl_texture_image *texImage,
       texelOut[3] = CHAN_TO_FLOAT(temp[3]);
    }
 }
+#endif
 
 
 /**
@@ -631,17 +633,15 @@ _mesa_set_fetch_functions(struct gl_texture_image *texImage, GLuint dims)
    ASSERT(dims == 1 || dims == 2 || dims == 3);
    ASSERT(texImage->TexFormat);
 
-   texImage->FetchTexelf =
-      _mesa_get_texel_fetch_func(texImage->TexFormat, dims);
+   if (!texImage->FetchTexelf) {
+      texImage->FetchTexelf =
+         _mesa_get_texel_fetch_func(texImage->TexFormat, dims);
+   }
 
    /* now check if we need to use a float/chan adaptor */
    if (!texImage->FetchTexelc) {
       texImage->FetchTexelc = fetch_texel_float_to_chan;
    }
-   else if (!texImage->FetchTexelf) {
-      texImage->FetchTexelf = fetch_texel_chan_to_float;
-   }
-
 
    ASSERT(texImage->FetchTexelc);
    ASSERT(texImage->FetchTexelf);
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 438a316b9c..457380b8fa 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -43,6 +43,7 @@
 #include "macros.h"
 #include "state.h"
 #include "texcompress.h"
+#include "texfetch.h"
 #include "texformat.h"
 #include "teximage.h"
 #include "texstate.h"
@@ -997,6 +998,9 @@ _mesa_init_teximage_fields(GLcontext *ctx, GLenum target,
       img->HeightScale = (GLfloat) img->Height;
       img->DepthScale = (GLfloat) img->Depth;
    }
+
+   img->FetchTexelc = NULL;
+   img->FetchTexelf = NULL;
 }
 
 
@@ -2200,6 +2204,8 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
 
             ASSERT(texImage->TexFormat);
 
+            _mesa_set_fetch_functions(texImage, 1);
+
             check_gen_mipmap(ctx, target, texObj, level);
 
             update_fbo_texture(ctx, texObj, face, level);
@@ -2314,6 +2320,8 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
 
             ASSERT(texImage->TexFormat);
 
+            _mesa_set_fetch_functions(texImage, 2);
+
             check_gen_mipmap(ctx, target, texObj, level);
 
             update_fbo_texture(ctx, texObj, face, level);
@@ -2424,6 +2432,8 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
 
             ASSERT(texImage->TexFormat);
 
+            _mesa_set_fetch_functions(texImage, 3);
+
             check_gen_mipmap(ctx, target, texObj, level);
 
             update_fbo_texture(ctx, texObj, face, level);
@@ -2732,6 +2742,8 @@ _mesa_CopyTexImage1D( GLenum target, GLint level,
 
          ASSERT(texImage->TexFormat);
 
+         _mesa_set_fetch_functions(texImage, 1);
+
          check_gen_mipmap(ctx, target, texObj, level);
 
          update_fbo_texture(ctx, texObj, face, level);
@@ -2807,6 +2819,8 @@ _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
 
          ASSERT(texImage->TexFormat);
 
+         _mesa_set_fetch_functions(texImage, 2);
+
          check_gen_mipmap(ctx, target, texObj, level);
 
          update_fbo_texture(ctx, texObj, face, level);
@@ -3259,6 +3273,8 @@ _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
                                              imageSize, data,
                                              texObj, texImage);
 
+            _mesa_set_fetch_functions(texImage, 1);
+
             check_gen_mipmap(ctx, target, texObj, level);
 
             /* state update */
@@ -3363,6 +3379,8 @@ _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
                                              border, imageSize, data,
                                              texObj, texImage);
 
+            _mesa_set_fetch_functions(texImage, 2);
+
             check_gen_mipmap(ctx, target, texObj, level);
 
             /* state update */
@@ -3467,6 +3485,8 @@ _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
                                              border, imageSize, data,
                                              texObj, texImage);
 
+            _mesa_set_fetch_functions(texImage, 3);
+
             check_gen_mipmap(ctx, target, texObj, level);
 
             /* state update */
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index 133b0370c8..52502b7033 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -64,7 +64,6 @@
 #include "texcompress.h"
 #include "texcompress_fxt1.h"
 #include "texcompress_s3tc.h"
-#include "texfetch.h"
 #include "texformat.h"
 #include "teximage.h"
 #include "texstore.h"
@@ -3213,8 +3212,6 @@ _mesa_store_teximage1d(GLcontext *ctx, GLenum target, GLint level,
       = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
    ASSERT(texImage->TexFormat);
 
-   _mesa_set_fetch_functions(texImage, 1);
-
    /* allocate memory */
    sizeInBytes = texture_size(texImage);
    texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
@@ -3276,8 +3273,6 @@ _mesa_store_teximage2d(GLcontext *ctx, GLenum target, GLint level,
       = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
    ASSERT(texImage->TexFormat);
 
-   _mesa_set_fetch_functions(texImage, 2);
-
    /* allocate memory */
    sizeInBytes = texture_size(texImage);
    texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
@@ -3335,8 +3330,6 @@ _mesa_store_teximage3d(GLcontext *ctx, GLenum target, GLint level,
       = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
    ASSERT(texImage->TexFormat);
 
-   _mesa_set_fetch_functions(texImage, 3);
-
    /* allocate memory */
    sizeInBytes = texture_size(texImage);
    texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
@@ -3539,8 +3532,6 @@ _mesa_store_compressed_teximage2d(GLcontext *ctx, GLenum target, GLint level,
       = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, 0, 0);
    ASSERT(texImage->TexFormat);
 
-   _mesa_set_fetch_functions(texImage, 2);
-
    /* allocate storage */
    texImage->Data = _mesa_alloc_texmemory(imageSize);
    if (!texImage->Data) {