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iris: Allocate buffer space for the fast clear color.

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Also store clear color in the iris_resource.

Always allocate clear color state buffer.

v2:
 - Make clear_color_offset be 64 bits (Ken).
 - Simplify the logic to decide when to memset the aux buffer (Ken).

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Rafael Antognolli
2019-02-15 14:45:05 -08:00
parent 5f5ac19f13
commit 37f2692591
2 changed files with 100 additions and 8 deletions
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19
src/gallium/drivers/iris/iris_resource.h
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@@ -86,6 +86,18 @@ struct iris_resource {
/** Offset into 'bo' where the auxiliary surface starts. */
uint32_t offset;
/**
* Fast clear color for this surface. For depth surfaces, the clear
* value is stored as a float32 in the red component.
*/
union isl_color_value clear_color;
/** Buffer object containing the indirect clear color. */
struct iris_bo *clear_color_bo;
/** Offset into bo where the clear color can be found. */
uint64_t clear_color_offset;
/**
* \brief The type of auxiliary compression used by this resource.
*
@@ -207,6 +219,13 @@ struct pipe_resource *iris_resource_get_separate_stencil(struct pipe_resource *)
void iris_get_depth_stencil_resources(struct pipe_resource *res,
struct iris_resource **out_z,
struct iris_resource **out_s);
bool iris_resource_set_clear_color(struct iris_context *ice,
struct iris_resource *res,
union isl_color_value color);
union isl_color_value
iris_resource_get_clear_color(const struct iris_resource *res,
struct iris_bo **clear_color_bo,
uint64_t *clear_color_offset);
void iris_init_screen_resource_functions(struct pipe_screen *pscreen);