From: Rob Clark <robdclark@gmail.com>
Date: Mon, 9 Jan 2017 21:12:59 +0000 (-0500)
Subject: freedreno/a5xx: use the non-_ZERO_BASE for vertexid
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b48fde15767284814b3df6e9d7946ca7f5eccbfb;p=mesa.git

freedreno/a5xx: use the non-_ZERO_BASE for vertexid

Signed-off-by: Rob Clark <robdclark@gmail.com>
---

diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_program.c b/src/gallium/drivers/freedreno/a5xx/fd5_program.c
index 3e8c0c83e61..ee2cd4838b5 100644
--- a/src/gallium/drivers/freedreno/a5xx/fd5_program.c
+++ b/src/gallium/drivers/freedreno/a5xx/fd5_program.c
@@ -342,8 +342,8 @@ fd5_program_emit(struct fd_ringbuffer *ring, struct fd5_emit *emit)
 
 	pos_regid = ir3_find_output_regid(s[VS].v, VARYING_SLOT_POS);
 	psize_regid = ir3_find_output_regid(s[VS].v, VARYING_SLOT_PSIZ);
-	vertex_regid = ir3_find_output_regid(s[VS].v, SYSTEM_VALUE_VERTEX_ID_ZERO_BASE);
-	instance_regid = ir3_find_output_regid(s[VS].v, SYSTEM_VALUE_INSTANCE_ID);
+	vertex_regid = ir3_find_sysval_regid(s[VS].v, SYSTEM_VALUE_VERTEX_ID);
+	instance_regid = ir3_find_sysval_regid(s[VS].v, SYSTEM_VALUE_INSTANCE_ID);
 
 	if (s[FS].v->color0_mrt) {
 		color_regid[0] = color_regid[1] = color_regid[2] = color_regid[3] =
@@ -710,7 +710,7 @@ fd5_program_emit(struct fd_ringbuffer *ring, struct fd5_emit *emit)
 	OUT_PKT4(ring, REG_A5XX_VFD_CONTROL_1, 5);
 	OUT_RING(ring, A5XX_VFD_CONTROL_1_REGID4VTX(vertex_regid) |
 			A5XX_VFD_CONTROL_1_REGID4INST(instance_regid) |
-			0xfc);
+			0xfc0000);
 	OUT_RING(ring, 0x0000fcfc);   /* VFD_CONTROL_2 */
 	OUT_RING(ring, 0x0000fcfc);   /* VFD_CONTROL_3 */
 	OUT_RING(ring, 0x000000fc);   /* VFD_CONTROL_4 */
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index 3b631372e99..63e0d204735 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -176,11 +176,13 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 	case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 	case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 	case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
-	case PIPE_CAP_VERTEXID_NOBASE:
 	case PIPE_CAP_STRING_MARKER:
 	case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 		return 1;
 
+	case PIPE_CAP_VERTEXID_NOBASE:
+		return is_a3xx(screen) || is_a4xx(screen);
+
 	case PIPE_CAP_USER_CONSTANT_BUFFERS:
 		return is_a4xx(screen) ? 0 : 1;
 
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c
index a68e8246f87..77d86855ddb 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c
@@ -1246,10 +1246,12 @@ emit_intrinsic(struct ir3_compile *ctx, nir_intrinsic_instr *intr)
 		dst[0] = ctx->basevertex;
 		break;
 	case nir_intrinsic_load_vertex_id_zero_base:
+	case nir_intrinsic_load_vertex_id:
 		if (!ctx->vertex_id) {
+			gl_system_value sv = (intr->intrinsic == nir_intrinsic_load_vertex_id) ?
+				SYSTEM_VALUE_VERTEX_ID : SYSTEM_VALUE_VERTEX_ID_ZERO_BASE;
 			ctx->vertex_id = create_input(b, 0);
-			add_sysval_input(ctx, SYSTEM_VALUE_VERTEX_ID_ZERO_BASE,
-					ctx->vertex_id);
+			add_sysval_input(ctx, sv, ctx->vertex_id);
 		}
 		dst[0] = ctx->vertex_id;
 		break;
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_shader.h b/src/gallium/drivers/freedreno/ir3/ir3_shader.h
index 678a6306aee..052a563b945 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_shader.h
+++ b/src/gallium/drivers/freedreno/ir3/ir3_shader.h
@@ -391,4 +391,14 @@ ir3_find_output_regid(const struct ir3_shader_variant *so, unsigned slot)
 	return regid(63, 0);
 }
 
+static inline uint32_t
+ir3_find_sysval_regid(const struct ir3_shader_variant *so, unsigned slot)
+{
+	int j;
+	for (j = 0; j < so->inputs_count; j++)
+		if (so->inputs[j].sysval && (so->inputs[j].slot == slot))
+			return so->inputs[j].regid;
+	return regid(63, 0);
+}
+
 #endif /* IR3_SHADER_H_ */