[Mesa-dev] [PATCH 07/13] radeonsi: replace si_vertex_elements::elements with separate fields

Marek Olšák maraeo at gmail.com
Sat Jun 10 16:39:45 UTC 2017


From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/drivers/radeonsi/si_descriptors.c   | 9 ++++-----
 src/gallium/drivers/radeonsi/si_state.c         | 8 +++++---
 src/gallium/drivers/radeonsi/si_state.h         | 4 +++-
 src/gallium/drivers/radeonsi/si_state_shaders.c | 7 ++-----
 4 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c b/src/gallium/drivers/radeonsi/si_descriptors.c
index af68ac9..22888a6 100644
--- a/src/gallium/drivers/radeonsi/si_descriptors.c
+++ b/src/gallium/drivers/radeonsi/si_descriptors.c
@@ -999,21 +999,21 @@ static void si_get_buffer_from_descriptors(struct si_buffer_resources *buffers,
 
 /* VERTEX BUFFERS */
 
 static void si_vertex_buffers_begin_new_cs(struct si_context *sctx)
 {
 	struct si_descriptors *desc = &sctx->vertex_buffers;
 	int count = sctx->vertex_elements ? sctx->vertex_elements->count : 0;
 	int i;
 
 	for (i = 0; i < count; i++) {
-		int vb = sctx->vertex_elements->elements[i].vertex_buffer_index;
+		int vb = sctx->vertex_elements->vertex_buffer_index[i];
 
 		if (vb >= ARRAY_SIZE(sctx->vertex_buffer))
 			continue;
 		if (!sctx->vertex_buffer[vb].buffer.resource)
 			continue;
 
 		radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx,
 				      (struct r600_resource*)sctx->vertex_buffer[vb].buffer.resource,
 				      RADEON_USAGE_READ, RADEON_PRIO_VERTEX_BUFFER);
 	}
@@ -1058,35 +1058,34 @@ bool si_upload_vertex_buffer_descriptors(struct si_context *sctx)
 	if (!desc->buffer)
 		return false;
 
 	radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx,
 			      desc->buffer, RADEON_USAGE_READ,
 			      RADEON_PRIO_DESCRIPTORS);
 
 	assert(count <= SI_MAX_ATTRIBS);
 
 	for (i = 0; i < count; i++) {
-		struct pipe_vertex_element *ve = &velems->elements[i];
 		struct pipe_vertex_buffer *vb;
 		struct r600_resource *rbuffer;
 		unsigned offset;
-		unsigned vbo_index = ve->vertex_buffer_index;
+		unsigned vbo_index = velems->vertex_buffer_index[i];
 		uint32_t *desc = &ptr[i*4];
 
 		vb = &sctx->vertex_buffer[vbo_index];
 		rbuffer = (struct r600_resource*)vb->buffer.resource;
 		if (!rbuffer) {
 			memset(desc, 0, 16);
 			continue;
 		}
 
-		offset = vb->buffer_offset + ve->src_offset;
+		offset = vb->buffer_offset + velems->src_offset[i];
 		va = rbuffer->gpu_address + offset;
 
 		/* Fill in T# buffer resource description */
 		desc[0] = va;
 		desc[1] = S_008F04_BASE_ADDRESS_HI(va >> 32) |
 			  S_008F04_STRIDE(vb->stride);
 
 		if (sctx->b.chip_class != VI && vb->stride) {
 			/* Round up by rounding down and adding 1 */
 			desc[2] = (vb->buffer.resource->width0 - offset -
@@ -1630,21 +1629,21 @@ static void si_rebind_buffer(struct pipe_context *ctx, struct pipe_resource *buf
 
 	/* We changed the buffer, now we need to bind it where the old one
 	 * was bound. This consists of 2 things:
 	 *   1) Updating the resource descriptor and dirtying it.
 	 *   2) Adding a relocation to the CS, so that it's usable.
 	 */
 
 	/* Vertex buffers. */
 	if (rbuffer->bind_history & PIPE_BIND_VERTEX_BUFFER) {
 		for (i = 0; i < num_elems; i++) {
-			int vb = sctx->vertex_elements->elements[i].vertex_buffer_index;
+			int vb = sctx->vertex_elements->vertex_buffer_index[i];
 
 			if (vb >= ARRAY_SIZE(sctx->vertex_buffer))
 				continue;
 			if (!sctx->vertex_buffer[vb].buffer.resource)
 				continue;
 
 			if (sctx->vertex_buffer[vb].buffer.resource == buf) {
 				sctx->vertex_buffers_dirty = true;
 				break;
 			}
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 3b15545..1cd1f91 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -3733,36 +3733,40 @@ static void *si_create_vertex_elements(struct pipe_context *ctx,
 		unsigned data_format, num_format;
 		int first_non_void;
 		unsigned vbo_index = elements[i].vertex_buffer_index;
 		unsigned char swizzle[4];
 
 		if (vbo_index >= SI_NUM_VERTEX_BUFFERS) {
 			FREE(v);
 			return NULL;
 		}
 
-		if (elements[i].instance_divisor)
+		if (elements[i].instance_divisor) {
 			v->uses_instance_divisors = true;
+			v->instance_divisors[i] = elements[i].instance_divisor;
+		}
 
 		if (!used[vbo_index]) {
 			v->first_vb_use_mask |= 1 << i;
 			used[vbo_index] = true;
 		}
 
 		desc = util_format_description(elements[i].src_format);
 		first_non_void = util_format_get_first_non_void_channel(elements[i].src_format);
 		data_format = si_translate_buffer_dataformat(ctx->screen, desc, first_non_void);
 		num_format = si_translate_buffer_numformat(ctx->screen, desc, first_non_void);
 		channel = first_non_void >= 0 ? &desc->channel[first_non_void] : NULL;
 		memcpy(swizzle, desc->swizzle, sizeof(swizzle));
 
 		v->format_size[i] = desc->block.bits / 8;
+		v->src_offset[i] = elements[i].src_offset;
+		v->vertex_buffer_index[i] = vbo_index;
 
 		/* The hardware always treats the 2-bit alpha channel as
 		 * unsigned, so a shader workaround is needed. The affected
 		 * chips are VI and older except Stoney (GFX8.1).
 		 */
 		if (data_format == V_008F0C_BUF_DATA_FORMAT_2_10_10_10 &&
 		    sscreen->b.chip_class <= VI &&
 		    sscreen->b.family != CHIP_STONEY) {
 			if (num_format == V_008F0C_BUF_NUM_FORMAT_SNORM) {
 				v->fix_fetch[i] = SI_FIX_FETCH_A2_SNORM;
@@ -3841,22 +3845,20 @@ static void *si_create_vertex_elements(struct pipe_context *ctx,
 			}
 		}
 
 		v->rsrc_word3[i] = S_008F0C_DST_SEL_X(si_map_swizzle(swizzle[0])) |
 				   S_008F0C_DST_SEL_Y(si_map_swizzle(swizzle[1])) |
 				   S_008F0C_DST_SEL_Z(si_map_swizzle(swizzle[2])) |
 				   S_008F0C_DST_SEL_W(si_map_swizzle(swizzle[3])) |
 				   S_008F0C_NUM_FORMAT(num_format) |
 				   S_008F0C_DATA_FORMAT(data_format);
 	}
-	memcpy(v->elements, elements, sizeof(struct pipe_vertex_element) * count);
-
 	return v;
 }
 
 static void si_bind_vertex_elements(struct pipe_context *ctx, void *state)
 {
 	struct si_context *sctx = (struct si_context *)ctx;
 	struct si_vertex_elements *old = sctx->vertex_elements;
 	struct si_vertex_elements *v = (struct si_vertex_elements*)state;
 
 	sctx->vertex_elements = v;
diff --git a/src/gallium/drivers/radeonsi/si_state.h b/src/gallium/drivers/radeonsi/si_state.h
index 63a1713..99c8ee6 100644
--- a/src/gallium/drivers/radeonsi/si_state.h
+++ b/src/gallium/drivers/radeonsi/si_state.h
@@ -101,21 +101,23 @@ struct si_stencil_ref {
 struct si_vertex_elements
 {
 	unsigned			count;
 	unsigned			first_vb_use_mask;
 	/* Vertex buffer descriptor list size aligned for optimal prefetch. */
 	unsigned			desc_list_byte_size;
 
 	uint8_t				fix_fetch[SI_MAX_ATTRIBS];
 	uint32_t			rsrc_word3[SI_MAX_ATTRIBS];
 	uint32_t			format_size[SI_MAX_ATTRIBS];
-	struct pipe_vertex_element	elements[SI_MAX_ATTRIBS];
+	uint8_t				vertex_buffer_index[SI_MAX_ATTRIBS];
+	uint16_t			src_offset[SI_MAX_ATTRIBS];
+	unsigned			instance_divisors[SI_MAX_ATTRIBS];
 	bool				uses_instance_divisors;
 };
 
 union si_state {
 	struct {
 		struct si_state_blend		*blend;
 		struct si_state_rasterizer	*rasterizer;
 		struct si_state_dsa		*dsa;
 		struct si_pm4_state		*poly_offset;
 		struct si_pm4_state		*ls;
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 6247b9c..848c5a7 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -1182,25 +1182,22 @@ static unsigned si_get_alpha_test_func(struct si_context *sctx)
 static void si_shader_selector_key_vs(struct si_context *sctx,
 				      struct si_shader_selector *vs,
 				      struct si_shader_key *key,
 				      struct si_vs_prolog_bits *prolog_key)
 {
 	if (!sctx->vertex_elements)
 		return;
 
 	unsigned count = MIN2(vs->info.num_inputs,
 			      sctx->vertex_elements->count);
-	for (unsigned i = 0; i < count; ++i) {
-		prolog_key->instance_divisors[i] =
-			sctx->vertex_elements->elements[i].instance_divisor;
-	}
-
+	memcpy(prolog_key->instance_divisors,
+	       sctx->vertex_elements->instance_divisors, count * 4);
 	memcpy(key->mono.vs_fix_fetch, sctx->vertex_elements->fix_fetch, count);
 }
 
 static void si_shader_selector_key_hw_vs(struct si_context *sctx,
 					 struct si_shader_selector *vs,
 					 struct si_shader_key *key)
 {
 	struct si_shader_selector *ps = sctx->ps_shader.cso;
 
 	key->opt.clip_disable =
-- 
2.7.4



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