summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/mesa/drivers/common/driverfuncs.c4
-rw-r--r--src/mesa/drivers/dri/intel/intel_tex_image.c60
-rw-r--r--src/mesa/drivers/dri/nouveau/nouveau_texture.c43
-rw-r--r--src/mesa/drivers/dri/radeon/radeon_texture.c41
-rw-r--r--src/mesa/main/dd.h44
-rw-r--r--src/mesa/main/teximage.c36
-rw-r--r--src/mesa/main/texobj.c28
-rw-r--r--src/mesa/main/texstore.c78
-rw-r--r--src/mesa/main/texstore.h31
-rw-r--r--src/mesa/state_tracker/st_cb_texture.c51
10 files changed, 73 insertions, 343 deletions
diff --git a/src/mesa/drivers/common/driverfuncs.c b/src/mesa/drivers/common/driverfuncs.c
index ca120578da9..54e5221b28b 100644
--- a/src/mesa/drivers/common/driverfuncs.c
+++ b/src/mesa/drivers/common/driverfuncs.c
@@ -91,9 +91,7 @@ _mesa_init_driver_functions(struct dd_function_table *driver)
/* Texture functions */
driver->ChooseTextureFormat = _mesa_choose_tex_format;
- driver->TexImage1D = _mesa_store_teximage1d;
- driver->TexImage2D = _mesa_store_teximage2d;
- driver->TexImage3D = _mesa_store_teximage3d;
+ driver->TexImage = _mesa_store_teximage;
driver->TexSubImage1D = _mesa_store_texsubimage1d;
driver->TexSubImage2D = _mesa_store_texsubimage2d;
driver->TexSubImage3D = _mesa_store_texsubimage3d;
diff --git a/src/mesa/drivers/dri/intel/intel_tex_image.c b/src/mesa/drivers/dri/intel/intel_tex_image.c
index abd75c51d29..6e7e7018182 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_image.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_image.c
@@ -203,13 +203,12 @@ try_pbo_upload(struct gl_context *ctx,
static void
intelTexImage(struct gl_context * ctx,
- GLint dims,
+ GLuint dims,
struct gl_texture_image *texImage,
GLint internalFormat,
- GLint width, GLint height, GLint depth,
+ GLint width, GLint height, GLint depth, GLint border,
GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack,
- GLsizei imageSize)
+ const struct gl_pixelstore_attrib *unpack)
{
DBG("%s target %s level %d %dx%dx%d\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(texImage->TexObject->Target),
@@ -226,52 +225,9 @@ intelTexImage(struct gl_context * ctx,
DBG("%s: upload image %dx%dx%d pixels %p\n",
__FUNCTION__, width, height, depth, pixels);
- _mesa_store_teximage3d(ctx, texImage, internalFormat,
- width, height, depth, 0,
- format, type, pixels, unpack);
-}
-
-
-static void
-intelTexImage3D(struct gl_context * ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint depth,
- GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack)
-{
- intelTexImage(ctx, 3, texImage,
- internalFormat, width, height, depth,
- format, type, pixels, unpack, 0);
-}
-
-
-static void
-intelTexImage2D(struct gl_context * ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack)
-{
- intelTexImage(ctx, 2, texImage,
- internalFormat, width, height, 1,
- format, type, pixels, unpack, 0);
-}
-
-
-static void
-intelTexImage1D(struct gl_context * ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack)
-{
- intelTexImage(ctx, 1, texImage,
- internalFormat, width, 1, 1,
- format, type, pixels, unpack, 0);
+ _mesa_store_teximage(ctx, dims, texImage, internalFormat,
+ width, height, depth, 0,
+ format, type, pixels, unpack);
}
@@ -398,9 +354,7 @@ intel_image_target_texture_2d(struct gl_context *ctx, GLenum target,
void
intelInitTextureImageFuncs(struct dd_function_table *functions)
{
- functions->TexImage1D = intelTexImage1D;
- functions->TexImage2D = intelTexImage2D;
- functions->TexImage3D = intelTexImage3D;
+ functions->TexImage = intelTexImage;
#if FEATURE_OES_EGL_image
functions->EGLImageTargetTexture2D = intel_image_target_texture_2d;
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_texture.c b/src/mesa/drivers/dri/nouveau/nouveau_texture.c
index a2e96aa1684..e5ef3d3ff9f 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_texture.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_texture.c
@@ -540,41 +540,16 @@ nouveau_teximage(struct gl_context *ctx, GLint dims,
context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
}
-static void
-nouveau_teximage_1d(struct gl_context *ctx,
- struct gl_texture_image *ti,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing)
-{
- nouveau_teximage(ctx, 1, ti, internalFormat,
- width, 1, 1, border, 0, format, type, pixels,
- packing, GL_FALSE);
-}
static void
-nouveau_teximage_2d(struct gl_context *ctx,
- struct gl_texture_image *ti,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing)
-{
- nouveau_teximage(ctx, 2, ti, internalFormat,
- width, height, 1, border, 0, format, type, pixels,
- packing, GL_FALSE);
-}
-
-static void
-nouveau_teximage_3d(struct gl_context *ctx,
- struct gl_texture_image *ti,
- GLint internalFormat,
- GLint width, GLint height, GLint depth, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing)
+nouveau_teximage_123d(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *ti,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing)
{
- nouveau_teximage(ctx, 3, ti, internalFormat,
+ nouveau_teximage(ctx, dims, ti, internalFormat,
width, height, depth, border, 0, format, type, pixels,
packing, GL_FALSE);
}
@@ -756,9 +731,7 @@ nouveau_texture_functions_init(struct dd_function_table *functions)
functions->NewTextureImage = nouveau_teximage_new;
functions->FreeTextureImageBuffer = nouveau_teximage_free;
functions->ChooseTextureFormat = nouveau_choose_tex_format;
- functions->TexImage1D = nouveau_teximage_1d;
- functions->TexImage2D = nouveau_teximage_2d;
- functions->TexImage3D = nouveau_teximage_3d;
+ functions->TexImage = nouveau_teximage_123d;
functions->TexSubImage1D = nouveau_texsubimage_1d;
functions->TexSubImage2D = nouveau_texsubimage_2d;
functions->TexSubImage3D = nouveau_texsubimage_3d;
diff --git a/src/mesa/drivers/dri/radeon/radeon_texture.c b/src/mesa/drivers/dri/radeon/radeon_texture.c
index ccb9956a8e6..8df5484f557 100644
--- a/src/mesa/drivers/dri/radeon/radeon_texture.c
+++ b/src/mesa/drivers/dri/radeon/radeon_texture.c
@@ -586,39 +586,14 @@ static void radeon_teximage(
const struct gl_pixelstore_attrib *packing,
int compressed)
{
- _mesa_store_teximage3d(ctx, texImage, internalFormat,
- width, height, depth, 0,
- format, type, pixels,
- packing);
+ _mesa_store_teximage(ctx, dims, texImage, internalFormat,
+ width, height, depth, 0,
+ format, type, pixels,
+ packing);
}
static void
-radeonTexImage1D(struct gl_context * ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type, const GLvoid * pixels,
- const struct gl_pixelstore_attrib *packing)
-{
- radeon_teximage(ctx, 1, texImage, internalFormat, width, 1, 1,
- 0, format, type, pixels, packing, 0);
-}
-
-static void
-radeonTexImage2D(struct gl_context * ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const GLvoid * pixels,
- const struct gl_pixelstore_attrib *packing)
-
-{
- radeon_teximage(ctx, 2, texImage, internalFormat, width, height, 1,
- 0, format, type, pixels, packing, 0);
-}
-
-static void
-radeonTexImage3D(struct gl_context * ctx,
+radeonTexImage(struct gl_context * ctx, GLuint dims,
struct gl_texture_image *texImage,
GLint internalFormat,
GLint width, GLint height, GLint depth,
@@ -626,7 +601,7 @@ radeonTexImage3D(struct gl_context * ctx,
GLenum format, GLenum type, const GLvoid * pixels,
const struct gl_pixelstore_attrib *packing)
{
- radeon_teximage(ctx, 3, texImage, internalFormat, width, height, depth,
+ radeon_teximage(ctx, dims, texImage, internalFormat, width, height, depth,
0, format, type, pixels, packing, 0);
}
@@ -750,9 +725,7 @@ radeon_init_common_texture_funcs(radeonContextPtr radeon,
functions->ChooseTextureFormat = radeonChooseTextureFormat_mesa;
- functions->TexImage1D = radeonTexImage1D;
- functions->TexImage2D = radeonTexImage2D;
- functions->TexImage3D = radeonTexImage3D;
+ functions->TexImage = radeonTexImage;
functions->CopyTexSubImage2D = radeonCopyTexSubImage2D;
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 582eb5d492b..711143c5594 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -198,43 +198,21 @@ struct dd_function_table {
GLenum srcFormat, GLenum srcType );
/**
- * Called by glTexImage1D(). Simply copy the source texture data into the
- * destination texture memory. The gl_texture_image fields, etc. will be
- * fully initialized.
- * The parameters are the same as glTexImage1D(), plus:
+ * Called by glTexImage[123]D() and glCopyTexImage[12]D()
+ * Allocate texture memory and copy the user's image to the buffer.
+ * The gl_texture_image fields, etc. will be fully initialized.
+ * The parameters are the same as glTexImage3D(), plus:
+ * \param dims 1, 2, or 3 indicating glTexImage1/2/3D()
* \param packing describes how to unpack the source data.
* \param texImage is the destination texture image.
*/
- void (*TexImage1D)(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing);
+ void (*TexImage)(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing);
- /**
- * Called by glTexImage2D().
- *
- * \sa dd_function_table::TexImage1D.
- */
- void (*TexImage2D)(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing);
-
- /**
- * Called by glTexImage3D().
- *
- * \sa dd_function_table::TexImage1D.
- */
- void (*TexImage3D)(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint depth, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing);
/**
* Called by glTexSubImage1D(). Replace a subset of the target texture
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 694f6fa0010..5bb21cd80a8 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -2606,26 +2606,9 @@ teximage(struct gl_context *ctx, GLuint dims,
border, internalFormat, texFormat);
/* Give the texture to the driver. <pixels> may be null. */
- ASSERT(ctx->Driver.TexImage3D);
- switch (dims) {
- case 1:
- ctx->Driver.TexImage1D(ctx, texImage, internalFormat,
- width, border, format,
- type, pixels, unpack);
- break;
- case 2:
- ctx->Driver.TexImage2D(ctx, texImage, internalFormat,
- width, height, border, format,
- type, pixels, unpack);
- break;
- case 3:
- ctx->Driver.TexImage3D(ctx, texImage, internalFormat,
- width, height, depth, border, format,
- type, pixels, unpack);
- break;
- default:
- _mesa_problem(ctx, "invalid dims=%u in teximage()", dims);
- }
+ ctx->Driver.TexImage(ctx, dims, texImage, internalFormat,
+ width, height, depth, border, format,
+ type, pixels, unpack);
check_gen_mipmap(ctx, target, texObj, level);
@@ -2968,16 +2951,9 @@ copyteximage(struct gl_context *ctx, GLuint dims,
border, internalFormat, texFormat);
/* Allocate texture memory (no pixel data yet) */
- if (dims == 1) {
- ctx->Driver.TexImage1D(ctx, texImage, internalFormat,
- width, border, GL_NONE, GL_NONE, NULL,
- &ctx->Unpack);
- }
- else {
- ctx->Driver.TexImage2D(ctx, texImage, internalFormat,
- width, height, border, GL_NONE, GL_NONE,
- NULL, &ctx->Unpack);
- }
+ ctx->Driver.TexImage(ctx, dims, texImage, internalFormat,
+ width, height, 1, border, GL_NONE, GL_NONE,
+ NULL, &ctx->Unpack);
if (_mesa_clip_copytexsubimage(ctx, &dstX, &dstY, &srcX, &srcY,
&width, &height)) {
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index a471bad22b6..e0494c94028 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -807,30 +807,10 @@ _mesa_get_fallback_texture(struct gl_context *ctx, gl_texture_index tex)
0, /* border */
GL_RGBA, texFormat);
- switch (dims) {
- case 0:
- break;
- case 1:
- ctx->Driver.TexImage1D(ctx, texImage, GL_RGBA,
- width, 0,
- GL_RGBA, GL_UNSIGNED_BYTE, texel,
- &ctx->DefaultPacking);
- break;
- case 2:
- ctx->Driver.TexImage2D(ctx, texImage, GL_RGBA,
- width, height, 0,
- GL_RGBA, GL_UNSIGNED_BYTE, texel,
- &ctx->DefaultPacking);
- break;
- case 3:
- ctx->Driver.TexImage3D(ctx, texImage, GL_RGBA,
- width, height, depth, 0,
- GL_RGBA, GL_UNSIGNED_BYTE, texel,
- &ctx->DefaultPacking);
- break;
- default:
- _mesa_problem(ctx, "bad dims in _mesa_get_fallback_texture()");
- }
+ ctx->Driver.TexImage(ctx, dims, texImage, GL_RGBA,
+ width, height, depth, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, texel,
+ &ctx->DefaultPacking);
}
_mesa_test_texobj_completeness(ctx, texObj);
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index d368b1868f2..1aa79625287 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -4261,89 +4261,37 @@ store_texsubimage(struct gl_context *ctx,
/**
- * This is the fallback for Driver.TexImage1D().
+ * Fallback code for ctx->Driver.TexImage().
+ * Basically, allocate storage for the texture image, then copy the
+ * user's image into it.
*/
void
-_mesa_store_teximage1d(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing)
+_mesa_store_teximage(struct gl_context *ctx,
+ GLuint dims,
+ struct gl_texture_image *texImage,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing)
{
- if (width == 0)
- return;
-
- /* allocate storage for texture data */
- if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage, texImage->TexFormat,
- width, 1, 1)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
- return;
- }
-
- store_texsubimage(ctx, texImage,
- 0, 0, 0, width, 1, 1,
- format, type, pixels, packing, "glTexImage1D");
-}
+ assert(dims == 1 || dims == 2 || dims == 3);
-
-/**
- * This is the fallback for Driver.TexImage2D().
- */
-void
-_mesa_store_teximage2d(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *packing)
-{
- if (width == 0 || height == 0)
- return;
-
- /* allocate storage for texture data */
- if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage, texImage->TexFormat,
- width, height, 1)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
- return;
- }
-
- store_texsubimage(ctx, texImage,
- 0, 0, 0, width, height, 1,
- format, type, pixels, packing, "glTexImage2D");
-}
-
-
-
-/**
- * This is the fallback for Driver.TexImage3D().
- */
-void
-_mesa_store_teximage3d(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint depth, GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *packing)
-{
if (width == 0 || height == 0 || depth == 0)
return;
/* allocate storage for texture data */
if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage, texImage->TexFormat,
width, height, depth)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
return;
}
store_texsubimage(ctx, texImage,
0, 0, 0, width, height, depth,
- format, type, pixels, packing, "glTexImage3D");
+ format, type, pixels, packing, "glTexImage");
}
-
-
/*
* This is the fallback for Driver.TexSubImage1D().
*/
diff --git a/src/mesa/main/texstore.h b/src/mesa/main/texstore.h
index 85e33b0fe26..b4995fbc898 100644
--- a/src/mesa/main/texstore.h
+++ b/src/mesa/main/texstore.h
@@ -90,30 +90,13 @@ _mesa_make_temp_float_image(struct gl_context *ctx, GLuint dims,
GLbitfield transferOps);
extern void
-_mesa_store_teximage1d(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing);
-
-
-extern void
-_mesa_store_teximage2d(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing);
-
-
-extern void
-_mesa_store_teximage3d(struct gl_context *ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint depth, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing);
+_mesa_store_teximage(struct gl_context *ctx,
+ GLuint dims,
+ struct gl_texture_image *texImage,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing);
extern void
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index b24f9a1ceff..3ab14a1bbd9 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -530,48 +530,17 @@ prep_teximage(struct gl_context *ctx, struct gl_texture_image *texImage,
static void
-st_TexImage3D(struct gl_context * ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint depth,
- GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack)
+st_TexImage(struct gl_context * ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth, GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack)
{
prep_teximage(ctx, texImage, internalFormat, width, height, depth, border,
format, type);
- _mesa_store_teximage3d(ctx, texImage, internalFormat, width, height, depth,
- border, format, type, pixels, unpack);
-}
-
-
-static void
-st_TexImage2D(struct gl_context * ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack)
-{
- prep_teximage(ctx, texImage, internalFormat, width, height, 1, border,
- format, type);
- _mesa_store_teximage2d(ctx, texImage, internalFormat, width, height,
- border, format, type, pixels, unpack);
-}
-
-
-static void
-st_TexImage1D(struct gl_context * ctx,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack)
-{
- prep_teximage(ctx, texImage, internalFormat, width, 1, 1, border,
- format, type);
- _mesa_store_teximage1d(ctx, texImage, internalFormat, width,
- border, format, type, pixels, unpack);
+ _mesa_store_teximage(ctx, dims, texImage, internalFormat, width, height, depth,
+ border, format, type, pixels, unpack);
}
@@ -1427,9 +1396,7 @@ void
st_init_texture_functions(struct dd_function_table *functions)
{
functions->ChooseTextureFormat = st_ChooseTextureFormat;
- functions->TexImage1D = st_TexImage1D;
- functions->TexImage2D = st_TexImage2D;
- functions->TexImage3D = st_TexImage3D;
+ functions->TexImage = st_TexImage;
functions->TexSubImage1D = _mesa_store_texsubimage1d;
functions->TexSubImage2D = _mesa_store_texsubimage2d;
functions->TexSubImage3D = _mesa_store_texsubimage3d;