Mesa (master): v3d: add color formats and swizzles to the fragment shader key
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Fri Jul 12 07:19:04 UTC 2019
Module: Mesa
Branch: master
Commit: 0279ac6e51e772bf9c374f4eb736d5f11d97d5f9
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=0279ac6e51e772bf9c374f4eb736d5f11d97d5f9
Author: Iago Toral Quiroga <itoral at igalia.com>
Date: Wed Jul 3 09:14:25 2019 +0200
v3d: add color formats and swizzles to the fragment shader key
We are going to need these very soon to emit correct reads from the tlb
to implement logic operations.
Reviewed-by: Eric Anholt <eric at anholt.net>
---
src/broadcom/compiler/v3d_compiler.h | 9 +++++++++
src/gallium/drivers/v3d/v3d_program.c | 11 +++++++++++
2 files changed, 20 insertions(+)
diff --git a/src/broadcom/compiler/v3d_compiler.h b/src/broadcom/compiler/v3d_compiler.h
index 5c4e3046f50..c7463540850 100644
--- a/src/broadcom/compiler/v3d_compiler.h
+++ b/src/broadcom/compiler/v3d_compiler.h
@@ -355,6 +355,15 @@ struct v3d_fs_key {
*/
uint8_t int_color_rb;
uint8_t uint_color_rb;
+
+ /* Color format information per render target. Only set when logic
+ * operations are enabled.
+ */
+ struct {
+ enum pipe_format format;
+ const uint8_t *swizzle;
+ } color_fmt[V3D_MAX_DRAW_BUFFERS];
+
uint8_t alpha_test_func;
uint8_t logicop_func;
uint32_t point_sprite_mask;
diff --git a/src/gallium/drivers/v3d/v3d_program.c b/src/gallium/drivers/v3d/v3d_program.c
index cdacb5dbb80..78c41c8efd1 100644
--- a/src/gallium/drivers/v3d/v3d_program.c
+++ b/src/gallium/drivers/v3d/v3d_program.c
@@ -537,6 +537,17 @@ v3d_update_compiled_fs(struct v3d_context *v3d, uint8_t prim_mode)
*/
key->cbufs |= 1 << i;
+ /* If logic operations are enabled then we might emit color
+ * reads and we need to know the color buffer format and
+ * swizzle for that.
+ */
+ if (key->logicop_func != PIPE_LOGICOP_COPY) {
+ key->color_fmt[i].format = cbuf->format;
+ key->color_fmt[i].swizzle =
+ v3d_get_format_swizzle(&v3d->screen->devinfo,
+ cbuf->format);
+ }
+
const struct util_format_description *desc =
util_format_description(cbuf->format);
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