r600g: enable vertex samplers.

We need to move the texture sampler resources out of the range of the vertex attribs.

We could probably improve this using an allocator but this is the simple answer for now.

makes mesa-demos/src/glsl/vert-tex work.

4 files changed, 21 insertions, 9 deletions

diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index bdd54811fb..323509f640 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -480,8 +480,14 @@ static struct pipe_sampler_view *evergreen_create_sampler_view(struct pipe_conte
 static void evergreen_set_vs_sampler_view(struct pipe_context *ctx, unsigned count,
 					struct pipe_sampler_view **views)
 {
-	/* TODO */
-	assert(1);
+	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
+	struct r600_pipe_sampler_view **resource = (struct r600_pipe_sampler_view **)views;
+
+	for (int i = 0; i < count; i++) {
+		if (resource[i]) {
+			evergreen_context_pipe_state_set_vs_resource(&rctx->ctx, &resource[i]->state, i + PIPE_MAX_ATTRIBS);
+		}
+	}
 }
 
 static void evergreen_set_ps_sampler_view(struct pipe_context *ctx, unsigned count,
@@ -523,7 +529,6 @@ static void evergreen_bind_vs_sampler(struct pipe_context *ctx, unsigned count,
 	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 	struct r600_pipe_state **rstates = (struct r600_pipe_state **)states;
 
-	/* TODO implement */
 	for (int i = 0; i < count; i++) {
 		evergreen_context_pipe_state_set_vs_sampler(&rctx->ctx, rstates[i], i);
 	}
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index 0589652f70..832a2b2b60 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -257,7 +257,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 		return 14;
 	case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 		/* FIXME allow this once infrastructure is there */
-		return 0;
+		return 16;
 	case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
 	case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 		return 16;
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 366d5d9c35..d22325e8b7 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -1866,8 +1866,10 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
 
 	memset(&tex, 0, sizeof(struct r600_bc_tex));
 	tex.inst = opcode;
-	tex.resource_id = ctx->file_offset[inst->Src[1].Register.File] + inst->Src[1].Register.Index;
-	tex.sampler_id = tex.resource_id;
+	tex.sampler_id = ctx->file_offset[inst->Src[1].Register.File] + inst->Src[1].Register.Index;
+	tex.resource_id = tex.sampler_id;
+	if (ctx->shader->processor_type == TGSI_PROCESSOR_VERTEX)
+		tex.resource_id += PIPE_MAX_ATTRIBS;
 	tex.src_gpr = src_gpr;
 	tex.dst_gpr = ctx->file_offset[inst->Dst[0].Register.File] + inst->Dst[0].Register.Index;
 	tex.dst_sel_x = (inst->Dst[0].Register.WriteMask & 1) ? 0 : 7;
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index 7ceedf6363..29d9d154a2 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -683,8 +683,14 @@ static struct pipe_sampler_view *r600_create_sampler_view(struct pipe_context *c
 static void r600_set_vs_sampler_view(struct pipe_context *ctx, unsigned count,
 					struct pipe_sampler_view **views)
 {
-	/* TODO */
-	assert(1);
+	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
+	struct r600_pipe_sampler_view **resource = (struct r600_pipe_sampler_view **)views;
+
+	for (int i = 0; i < count; i++) {
+		if (resource[i]) {
+			r600_context_pipe_state_set_ps_resource(&rctx->ctx, &resource[i]->state, i + PIPE_MAX_ATTRIBS);
+		}
+	}
 }
 
 static void r600_set_ps_sampler_view(struct pipe_context *ctx, unsigned count,
@@ -726,7 +732,6 @@ static void r600_bind_vs_sampler(struct pipe_context *ctx, unsigned count, void
 	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 	struct r600_pipe_state **rstates = (struct r600_pipe_state **)states;
 
-	/* TODO implement */
 	for (int i = 0; i < count; i++) {
 		r600_context_pipe_state_set_vs_sampler(&rctx->ctx, rstates[i], i);
 	}