freedreno/a4xx: border-color support

Signed-off-by: Rob Clark <[email protected]>

4 files changed, 31 insertions, 2 deletions

diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_context.c b/src/gallium/drivers/freedreno/a4xx/fd4_context.c
index 625512ccd1b..e53e0c56c9a 100644
--- a/src/gallium/drivers/freedreno/a4xx/fd4_context.c
+++ b/src/gallium/drivers/freedreno/a4xx/fd4_context.c
@@ -55,6 +55,8 @@ fd4_context_destroy(struct pipe_context *pctx)
 	pipe_resource_reference(&fd4_ctx->solid_vbuf, NULL);
 	pipe_resource_reference(&fd4_ctx->blit_texcoord_vbuf, NULL);
 
+	u_upload_destroy(fd4_ctx->border_color_uploader);
+
 	fd_context_destroy(pctx);
 }
 
@@ -169,5 +171,8 @@ fd4_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
 
 	fd4_query_context_init(pctx);
 
+	fd4_ctx->border_color_uploader = u_upload_create(pctx, 4096,
+			2 * PIPE_MAX_SAMPLERS * BORDERCOLOR_SIZE, 0);
+
 	return pctx;
 }
diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_context.h b/src/gallium/drivers/freedreno/a4xx/fd4_context.h
index af9475699db..074c5a752bf 100644
--- a/src/gallium/drivers/freedreno/a4xx/fd4_context.h
+++ b/src/gallium/drivers/freedreno/a4xx/fd4_context.h
@@ -29,6 +29,8 @@
 #ifndef FD4_CONTEXT_H_
 #define FD4_CONTEXT_H_
 
+#include "util/u_upload_mgr.h"
+
 #include "freedreno_drmif.h"
 
 #include "freedreno_context.h"
@@ -70,6 +72,9 @@ struct fd4_context {
 	 */
 	struct fd_vertex_state blit_vbuf_state;
 
+	struct u_upload_mgr *border_color_uploader;
+	struct pipe_resource *border_color_buf;
+
 	/* if *any* of bits are set in {v,f}saturate_{s,t,r} */
 	bool vsaturate, fsaturate;
 
diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_emit.c b/src/gallium/drivers/freedreno/a4xx/fd4_emit.c
index b75be29e523..5f36cef3e9a 100644
--- a/src/gallium/drivers/freedreno/a4xx/fd4_emit.c
+++ b/src/gallium/drivers/freedreno/a4xx/fd4_emit.c
@@ -124,7 +124,20 @@ static void
 emit_textures(struct fd_context *ctx, struct fd_ringbuffer *ring,
 		enum adreno_state_block sb, struct fd_texture_stateobj *tex)
 {
-	unsigned i;
+	static const uint32_t bcolor_reg[] = {
+			[SB_VERT_TEX] = REG_A4XX_TPL1_TP_VS_BORDER_COLOR_BASE_ADDR,
+			[SB_FRAG_TEX] = REG_A4XX_TPL1_TP_FS_BORDER_COLOR_BASE_ADDR,
+	};
+	struct fd4_context *fd4_ctx = fd4_context(ctx);
+	unsigned i, off;
+	void *ptr;
+
+	u_upload_alloc(fd4_ctx->border_color_uploader,
+			0, 2 * PIPE_MAX_SAMPLERS * BORDERCOLOR_SIZE, &off,
+			&fd4_ctx->border_color_buf,
+			&ptr);
+
+	fd_setup_border_colors(tex, ptr, 0);
 
 	if (tex->num_samplers > 0) {
 		int num_samplers;
@@ -190,6 +203,11 @@ emit_textures(struct fd_context *ctx, struct fd_ringbuffer *ring,
 			OUT_RING(ring, 0x00000000);
 		}
 	}
+
+	OUT_PKT0(ring, bcolor_reg[sb], 1);
+	OUT_RELOC(ring, fd_resource(fd4_ctx->border_color_buf)->bo, off, 0, 0);
+
+	u_upload_unmap(fd4_ctx->border_color_uploader);
 }
 
 /* emit texture state for mem->gmem restore operation.. eventually it would
diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_texture.c b/src/gallium/drivers/freedreno/a4xx/fd4_texture.c
index 5ee022b30a9..dbff5a738fd 100644
--- a/src/gallium/drivers/freedreno/a4xx/fd4_texture.c
+++ b/src/gallium/drivers/freedreno/a4xx/fd4_texture.c
@@ -49,12 +49,13 @@ tex_clamp(unsigned wrap, bool clamp_to_edge)
 		return A4XX_TEX_REPEAT;
 	case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
 		return A4XX_TEX_CLAMP_TO_EDGE;
+	case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
+		return A4XX_TEX_CLAMP_TO_BORDER;
 	case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
 		/* only works for PoT.. need to emulate otherwise! */
 		return A4XX_TEX_MIRROR_CLAMP;
 	case PIPE_TEX_WRAP_MIRROR_REPEAT:
 		return A4XX_TEX_MIRROR_REPEAT;
-	case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
 	case PIPE_TEX_WRAP_MIRROR_CLAMP:
 	case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
 		/* these two we could perhaps emulate, but we currently