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-rw-r--r--src/mesa/state_tracker/st_cb_texture.c29
-rw-r--r--src/mesa/state_tracker/st_extensions.c1
2 files changed, 30 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index d4c916e..62f149a 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -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;
}
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index bbb9027..99e96e1 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -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 },