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st/mesa: implement ARB_clear_texture

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Ilia Mirkin
2014-03-04 21:51:55 -05:00
parent 3695b253f9
commit ae39b0fda8
2 changed files with 30 additions and 0 deletions
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src/mesa/state_tracker/st_cb_texture.c
+29
View File
@@ -1873,6 +1873,34 @@ st_TextureView(struct gl_context *ctx,
return GL_TRUE;
}
static void
st_ClearTexSubImage(struct gl_context *ctx,
struct gl_texture_image *texImage,
GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth,
const GLvoid *clearValue)
{
static const char zeros[16] = {0};
struct st_texture_image *stImage = st_texture_image(texImage);
struct pipe_resource *pt = stImage->pt;
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
unsigned level = texImage->Level;
struct pipe_box box;
if (!pt)
return;
u_box_3d(xoffset, yoffset, zoffset + texImage->Face,
width, height, depth, &box);
if (texImage->TexObject->Immutable) {
level += texImage->TexObject->MinLevel;
box.z += texImage->TexObject->MinLayer;
}
pipe->clear_texture(pipe, pt, level, &box, clearValue ? clearValue : zeros);
}
void
st_init_texture_functions(struct dd_function_table *functions)
{
@@ -1904,4 +1932,5 @@ st_init_texture_functions(struct dd_function_table *functions)
functions->AllocTextureStorage = st_AllocTextureStorage;
functions->TextureView = st_TextureView;
functions->ClearTexSubImage = st_ClearTexSubImage;
}
src/mesa/state_tracker/st_extensions.c
+1
View File
@@ -439,6 +439,7 @@ void st_init_extensions(struct pipe_screen *screen,
static const struct st_extension_cap_mapping cap_mapping[] = {
{ o(ARB_base_instance), PIPE_CAP_START_INSTANCE },
{ o(ARB_buffer_storage), PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT },
{ o(ARB_clear_texture), PIPE_CAP_CLEAR_TEXTURE },
{ o(ARB_color_buffer_float), PIPE_CAP_VERTEX_COLOR_UNCLAMPED },
{ o(ARB_copy_image), PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS },
{ o(ARB_depth_clamp), PIPE_CAP_DEPTH_CLIP_DISABLE },