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path: root/src/gallium/drivers/r600/r600_asm.c
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Diffstat (limited to 'src/gallium/drivers/r600/r600_asm.c')
-rw-r--r--src/gallium/drivers/r600/r600_asm.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c
index 00f1a8babd5..3298386a44e 100644
--- a/src/gallium/drivers/r600/r600_asm.c
+++ b/src/gallium/drivers/r600/r600_asm.c
@@ -2712,18 +2712,6 @@ int r600_vertex_elements_build_fetch_shader(struct r600_context *rctx, struct r6
uint32_t *bytecode;
int i, r;
- /* Vertex element offsets need special handling. If the offset is
- * bigger than what we can put in the fetch instruction we need to
- * alter the vertex resource offset. In order to simplify code we
- * will bind one resource per element in such cases. It's a worst
- * case scenario. */
- for (i = 0; i < ve->count; i++) {
- ve->vbuffer_offset[i] = C_SQ_VTX_WORD2_OFFSET & elements[i].src_offset;
- if (ve->vbuffer_offset[i]) {
- ve->vbuffer_need_offset = 1;
- }
- }
-
memset(&bc, 0, sizeof(bc));
r600_bytecode_init(&bc, rctx->chip_class, rctx->family);
@@ -2752,9 +2740,9 @@ int r600_vertex_elements_build_fetch_shader(struct r600_context *rctx, struct r6
}
for (i = 0; i < ve->count; i++) {
- unsigned vbuffer_index;
r600_vertex_data_type(ve->elements[i].src_format,
&format, &num_format, &format_comp, &endian);
+
desc = util_format_description(ve->elements[i].src_format);
if (desc == NULL) {
r600_bytecode_clear(&bc);
@@ -2762,10 +2750,14 @@ int r600_vertex_elements_build_fetch_shader(struct r600_context *rctx, struct r6
return -EINVAL;
}
- /* see above for vbuffer_need_offset explanation */
- vbuffer_index = elements[i].vertex_buffer_index;
+ if (elements[i].src_offset > 65535) {
+ r600_bytecode_clear(&bc);
+ R600_ERR("too big src_offset: %u\n", elements[i].src_offset);
+ return -EINVAL;
+ }
+
memset(&vtx, 0, sizeof(vtx));
- vtx.buffer_id = (ve->vbuffer_need_offset ? i : vbuffer_index) + fetch_resource_start;
+ vtx.buffer_id = elements[i].vertex_buffer_index + fetch_resource_start;
vtx.fetch_type = elements[i].instance_divisor ? 1 : 0;
vtx.src_gpr = elements[i].instance_divisor > 1 ? i + 1 : 0;
vtx.src_sel_x = elements[i].instance_divisor ? 3 : 0;