diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/state_tracker/st_cb_texture.c | 67 |
1 files changed, 29 insertions, 38 deletions
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c index ba0950e295..eee94baa20 100644 --- a/src/mesa/state_tracker/st_cb_texture.c +++ b/src/mesa/state_tracker/st_cb_texture.c @@ -76,13 +76,13 @@ struct st_texture_object - static INLINE struct st_texture_object * st_texture_object(struct gl_texture_object *obj) { return (struct st_texture_object *) obj; } + static INLINE struct st_texture_image * st_texture_image(struct gl_texture_image *img) { @@ -122,32 +122,28 @@ gl_target_to_pipe(GLenum target) } +/** + * Return nominal bytes per texel for a compressed format, 0 for non-compressed + * format. + */ static int compressed_num_bytes(GLuint mesaFormat) { - int bytes = 0; switch(mesaFormat) { - case MESA_FORMAT_RGB_FXT1: case MESA_FORMAT_RGBA_FXT1: case MESA_FORMAT_RGB_DXT1: case MESA_FORMAT_RGBA_DXT1: - bytes = 2; - break; - + return 2; case MESA_FORMAT_RGBA_DXT3: case MESA_FORMAT_RGBA_DXT5: - bytes = 4; + return 4; default: - break; + return 0; } - - return bytes; } - - static GLboolean st_IsTextureResident(GLcontext * ctx, struct gl_texture_object *texObj) { @@ -164,7 +160,6 @@ st_IsTextureResident(GLcontext * ctx, struct gl_texture_object *texObj) } - static struct gl_texture_image * st_NewTextureImage(GLcontext * ctx) { @@ -216,8 +211,6 @@ st_FreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage) } - - /* ================================================================ * From linux kernel i386 header files, copes with odd sizes better * than COPY_DWORDS would: @@ -302,7 +295,7 @@ logbase2(int n) static void guess_and_alloc_texture(struct st_context *st, struct st_texture_object *stObj, - struct st_texture_image *stImage) + const struct st_texture_image *stImage) { GLuint firstLevel; GLuint lastLevel; @@ -487,21 +480,18 @@ try_pbo_upload(GLcontext *ctx, - - - - static void st_TexImage(GLcontext * ctx, - GLint dims, - GLenum target, GLint level, - GLint internalFormat, - GLint width, GLint height, GLint depth, - GLint border, - GLenum format, GLenum type, const void *pixels, - const struct gl_pixelstore_attrib *unpack, - struct gl_texture_object *texObj, - struct gl_texture_image *texImage, GLsizei imageSize, int compressed) + GLint dims, + GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint depth, + GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *unpack, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage, + GLsizei imageSize, int compressed) { struct st_texture_object *stObj = st_texture_object(texObj); struct st_texture_image *stImage = st_texture_image(texImage); @@ -524,7 +514,7 @@ st_TexImage(GLcontext * ctx, /* choose the texture format */ texImage->TexFormat = st_ChooseTextureFormat(ctx, internalFormat, - format, type); + format, type); _mesa_set_fetch_functions(texImage, dims); @@ -536,7 +526,8 @@ st_TexImage(GLcontext * ctx, ctx->Driver.CompressedTextureSize(ctx, texImage->Width, texImage->Height, texImage->Depth, texImage->TexFormat->MesaFormat); - } else { + } + else { texelBytes = texImage->TexFormat->TexelBytes; /* Minimum pitch of 32 bytes */ @@ -669,7 +660,7 @@ st_TexImage(GLcontext * ctx, * conversion and copy: */ if (compressed) { - memcpy(texImage->Data, pixels, imageSize); + memcpy(texImage->Data, pixels, imageSize); } else { GLuint srcImageStride = _mesa_image_image_stride(unpack, width, height, @@ -1401,7 +1392,10 @@ copy_image_data_to_texture(struct st_context *st, } -/* +/** + * Called during state validation. When this function is finished, + * the texture object should be ready for rendering. + * \return GL_FALSE if a texture border is present, GL_TRUE otherwise */ GLboolean st_finalize_texture(GLcontext *ctx, @@ -1410,11 +1404,10 @@ st_finalize_texture(GLcontext *ctx, GLboolean *needFlush) { struct st_texture_object *stObj = st_texture_object(tObj); + const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; int comp_byte = 0; int cpp; - GLuint face, i; - GLuint nr_faces = 0; struct st_texture_image *firstImage; *needFlush = GL_FALSE; @@ -1426,8 +1419,7 @@ st_finalize_texture(GLcontext *ctx, /* What levels must the texture include at a minimum? */ calculate_first_last_level(stObj); - firstImage = - st_texture_image(stObj->base.Image[0][stObj->firstLevel]); + firstImage = st_texture_image(stObj->base.Image[0][stObj->firstLevel]); /* Fallback case: */ @@ -1503,7 +1495,6 @@ st_finalize_texture(GLcontext *ctx, /* Pull in any images not in the object's texture: */ - nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; for (face = 0; face < nr_faces; face++) { for (i = stObj->firstLevel; i <= stObj->lastLevel; i++) { struct st_texture_image *stImage = |