aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/state_tracker/st_cb_texture.c
diff options
context:
space:
mode:
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_texture.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_texture.c51
1 files changed, 48 insertions, 3 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index a3b2ba9e7..e4be7fba4 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -142,9 +142,9 @@ st_DeleteTextureObject(struct gl_context *ctx,
}
-/** called via ctx->Driver.FreeTexImageData() */
+/** called via ctx->Driver.FreeTextureImageBuffer() */
static void
-st_FreeTextureImageData(struct gl_context * ctx, struct gl_texture_image *texImage)
+st_FreeTextureImageBuffer(struct gl_context * ctx, struct gl_texture_image *texImage)
{
struct st_texture_image *stImage = st_texture_image(texImage);
@@ -161,6 +161,49 @@ st_FreeTextureImageData(struct gl_context * ctx, struct gl_texture_image *texIma
}
+/** called via ctx->Driver.MapTextureImage() */
+static void
+st_MapTextureImage(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ GLuint slice, GLuint x, GLuint y, GLuint w, GLuint h,
+ GLbitfield mode,
+ GLubyte **mapOut, GLint *rowStrideOut)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ unsigned pipeMode;
+ GLubyte *map;
+
+ pipeMode = 0x0;
+ if (mode & GL_MAP_READ_BIT)
+ pipeMode |= PIPE_TRANSFER_READ;
+ if (mode & GL_MAP_WRITE_BIT)
+ pipeMode |= PIPE_TRANSFER_WRITE;
+
+ map = st_texture_image_map(st, stImage, slice, pipeMode, x, y, w, h);
+ if (map) {
+ *mapOut = map;
+ *rowStrideOut = stImage->transfer->stride;
+ }
+ else {
+ *mapOut = NULL;
+ *rowStrideOut = 0;
+ }
+}
+
+
+/** called via ctx->Driver.UnmapTextureImage() */
+static void
+st_UnmapTextureImage(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ GLuint slice)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ st_texture_image_unmap(st, stImage);
+}
+
+
/**
* From linux kernel i386 header files, copes with odd sizes better
* than COPY_DWORDS would:
@@ -1880,7 +1923,9 @@ st_init_texture_functions(struct dd_function_table *functions)
functions->NewTextureObject = st_NewTextureObject;
functions->NewTextureImage = st_NewTextureImage;
functions->DeleteTexture = st_DeleteTextureObject;
- functions->FreeTexImageData = st_FreeTextureImageData;
+ functions->FreeTextureImageBuffer = st_FreeTextureImageBuffer;
+ functions->MapTextureImage = st_MapTextureImage;
+ functions->UnmapTextureImage = st_UnmapTextureImage;
functions->TextureMemCpy = do_memcpy;