summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/gallium/drivers/r600/r600_shader.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index db45dfd2266..ab0b5e28782 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -1751,6 +1751,23 @@ static int r600_shader_from_tgsi(struct r600_screen *rscreen,
}
}
+ /* add fake position export */
+ if (ctx.type == TGSI_PROCESSOR_VERTEX && next_pos_base == 60) {
+ memset(&output[j], 0, sizeof(struct r600_bytecode_output));
+ output[j].gpr = 0;
+ output[j].elem_size = 3;
+ output[j].swizzle_x = 7;
+ output[j].swizzle_y = 7;
+ output[j].swizzle_z = 7;
+ output[j].swizzle_w = 7;
+ output[j].burst_count = 1;
+ output[j].barrier = 1;
+ output[j].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_POS;
+ output[j].array_base = next_pos_base;
+ output[j].inst = BC_INST(ctx.bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT);
+ j++;
+ }
+
/* add fake param output for vertex shader if no param is exported */
if (ctx.type == TGSI_PROCESSOR_VERTEX && next_param_base == 0) {
memset(&output[j], 0, sizeof(struct r600_bytecode_output));