intel: Add a batch flush between front-buffer downsample and X protocol.

[mesa.git] / src / mesa / drivers / dri / i965 / brw_vec4.cpp

diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index 429e8cc9fd7a85c037fcc6d37355a2c8ea2d0e2e..ab472b009ec9856159b318509fa256456a9c7354 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -23,6 +23,7 @@
 
 #include "brw_vec4.h"
 #include "brw_cfg.h"
+#include "brw_vs.h"
 
 extern "C" {
 #include "main/macros.h"
@@ -258,6 +259,9 @@ vec4_visitor::implied_mrf_writes(vec4_instruction *inst)
       return 2;
    case VS_OPCODE_SCRATCH_WRITE:
       return 3;
+   case GS_OPCODE_URB_WRITE:
+   case GS_OPCODE_THREAD_END:
+      return 0;
    case SHADER_OPCODE_SHADER_TIME_ADD:
       return 0;
    case SHADER_OPCODE_TEX:
@@ -1259,12 +1263,15 @@ vec4_vs_visitor::setup_attributes(int payload_reg)
 int
 vec4_visitor::setup_uniforms(int reg)
 {
+   prog_data->dispatch_grf_start_reg = reg;
+
    /* The pre-gen6 VS requires that some push constants get loaded no
     * matter what, or the GPU would hang.
     */
    if (brw->gen < 6 && this->uniforms == 0) {
       this->uniform_vector_size[this->uniforms] = 1;
 
+      prog_data->param = reralloc(NULL, prog_data->param, const float *, 4);
       for (unsigned int i = 0; i < 4; i++) {
         unsigned int slot = this->uniforms * 4 + i;
         static float zero = 0.0;
@@ -1279,13 +1286,13 @@ vec4_visitor::setup_uniforms(int reg)
 
    prog_data->nr_params = this->uniforms * 4;
 
-   prog_data->curb_read_length = reg - 1;
+   prog_data->curb_read_length = reg - prog_data->dispatch_grf_start_reg;
 
    return reg;
 }
 
 void
-vec4_visitor::setup_payload(void)
+vec4_vs_visitor::setup_payload(void)
 {
    int reg = 0;
 
@@ -1561,4 +1568,31 @@ brw_vs_emit(struct brw_context *brw,
    return generated;
 }
 
+
+bool
+brw_vec4_prog_data_compare(const struct brw_vec4_prog_data *a,
+                           const struct brw_vec4_prog_data *b)
+{
+   /* Compare all the struct up to the pointers. */
+   if (memcmp(a, b, offsetof(struct brw_vec4_prog_data, param)))
+      return false;
+
+   if (memcmp(a->param, b->param, a->nr_params * sizeof(void *)))
+      return false;
+
+   if (memcmp(a->pull_param, b->pull_param, a->nr_pull_params * sizeof(void *)))
+      return false;
+
+   return true;
+}
+
+
+void
+brw_vec4_prog_data_free(const struct brw_vec4_prog_data *prog_data)
+{
+   ralloc_free((void *)prog_data->param);
+   ralloc_free((void *)prog_data->pull_param);
+}
+
+
 } /* extern "C" */