summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/r300/r300_emit.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/r300/r300_emit.c')
-rw-r--r--src/gallium/drivers/r300/r300_emit.c75
1 files changed, 50 insertions, 25 deletions
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index ac510ffc2ed..e9ca4ac6626 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -24,6 +24,8 @@
#include "r300_emit.h"
+#include "r300_vs.h"
+
void r300_emit_blend_state(struct r300_context* r300,
struct r300_blend_state* blend)
{
@@ -380,13 +382,33 @@ void r300_emit_vertex_format_state(struct r300_context* r300)
END_CS;
}
-void r300_emit_vertex_shader(struct r300_context* r300,
- struct r300_vertex_shader* vs)
+static const float * get_shader_constant(
+ struct r300_context * r300,
+ struct rc_constant * constant,
+ struct r300_constant_buffer * externals)
+{
+ static const float zero[4] = { 0.0, 0.0, 0.0, 0.0 };
+ switch(constant->Type) {
+ case RC_CONSTANT_EXTERNAL:
+ return externals->constants[constant->u.External];
+
+ case RC_CONSTANT_IMMEDIATE:
+ return constant->u.Immediate;
+
+ default:
+ debug_printf("r300: Implementation error: Unhandled constant type %i\n",
+ constant->Type);
+ return zero;
+ }
+}
+
+void r300_emit_vertex_program_code(struct r300_context* r300,
+ struct r300_vertex_program_code* code,
+ struct r300_constant_buffer* constants)
{
int i;
struct r300_screen* r300screen = r300_screen(r300->context.screen);
- struct r300_constant_buffer* constants =
- &r300->shader_constants[PIPE_SHADER_VERTEX];
+ unsigned instruction_count = code->length / 4;
CS_LOCALS(r300);
if (!r300screen->caps->has_tcl) {
@@ -395,10 +417,10 @@ void r300_emit_vertex_shader(struct r300_context* r300,
return;
}
- if (constants->count) {
- BEGIN_CS(14 + (vs->instruction_count * 4) + (constants->count * 4));
+ if (code->constants.Count) {
+ BEGIN_CS(14 + code->length + (code->constants.Count * 4));
} else {
- BEGIN_CS(11 + (vs->instruction_count * 4));
+ BEGIN_CS(11 + code->length);
}
/* R300_VAP_PVS_CODE_CNTL_0
@@ -408,30 +430,27 @@ void r300_emit_vertex_shader(struct r300_context* r300,
* XXX these could be optimized to select better values... */
OUT_CS_REG_SEQ(R300_VAP_PVS_CODE_CNTL_0, 3);
OUT_CS(R300_PVS_FIRST_INST(0) |
- R300_PVS_XYZW_VALID_INST(vs->instruction_count - 1) |
- R300_PVS_LAST_INST(vs->instruction_count - 1));
- OUT_CS(R300_PVS_MAX_CONST_ADDR(constants->count - 1));
- OUT_CS(vs->instruction_count - 1);
+ R300_PVS_XYZW_VALID_INST(instruction_count - 1) |
+ R300_PVS_LAST_INST(instruction_count - 1));
+ OUT_CS(R300_PVS_MAX_CONST_ADDR(code->constants.Count - 1));
+ OUT_CS(instruction_count - 1);
OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG, 0);
- OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, vs->instruction_count * 4);
- for (i = 0; i < vs->instruction_count; i++) {
- OUT_CS(vs->instructions[i].inst0);
- OUT_CS(vs->instructions[i].inst1);
- OUT_CS(vs->instructions[i].inst2);
- OUT_CS(vs->instructions[i].inst3);
- }
+ OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, code->length);
+ for (i = 0; i < code->length; i++)
+ OUT_CS(code->body.d[i]);
- if (constants->count) {
+ if (code->constants.Count) {
OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
(r300screen->caps->is_r500 ?
R500_PVS_CONST_START : R300_PVS_CONST_START));
- OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, constants->count * 4);
- for (i = 0; i < constants->count; i++) {
- OUT_CS_32F(constants->constants[i][0]);
- OUT_CS_32F(constants->constants[i][1]);
- OUT_CS_32F(constants->constants[i][2]);
- OUT_CS_32F(constants->constants[i][3]);
+ OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, code->constants.Count * 4);
+ for (i = 0; i < code->constants.Count; i++) {
+ const float * data = get_shader_constant(r300, &code->constants.Constants[i], constants);
+ OUT_CS_32F(data[0]);
+ OUT_CS_32F(data[1]);
+ OUT_CS_32F(data[2]);
+ OUT_CS_32F(data[3]);
}
}
@@ -443,6 +462,12 @@ void r300_emit_vertex_shader(struct r300_context* r300,
END_CS;
}
+void r300_emit_vertex_shader(struct r300_context* r300,
+ struct r300_vertex_shader* vs)
+{
+ r300_emit_vertex_program_code(r300, &vs->code, &r300->shader_constants[PIPE_SHADER_VERTEX]);
+}
+
void r300_emit_viewport_state(struct r300_context* r300,
struct r300_viewport_state* viewport)
{