* USE OR OTHER DEALINGS IN THE SOFTWARE. */
#include "r300_vs.h"
-#include "r300_fs.h"
#include "r300_context.h"
#include "r300_screen.h"
#include "tgsi/tgsi_parse.h"
#include "tgsi/tgsi_ureg.h"
-#include "radeon_compiler.h"
+#include "compiler/radeon_compiler.h"
/* Convert info about VS output semantics into r300_shader_semantics. */
static void r300_shader_read_vs_outputs(
+ struct r300_context *r300,
struct tgsi_shader_info* info,
struct r300_shader_semantics* vs_outputs)
{
case TGSI_SEMANTIC_GENERIC:
assert(index < ATTR_GENERIC_COUNT);
vs_outputs->generic[index] = i;
+ vs_outputs->num_generic++;
break;
case TGSI_SEMANTIC_FOG:
fprintf(stderr, "r300 VP: cannot handle edgeflag output.\n");
break;
+ case TGSI_SEMANTIC_CLIPVERTEX:
+ assert(index == 0);
+ /* Draw does clip vertex for us. */
+ if (r300->screen->caps.has_tcl) {
+ fprintf(stderr, "r300 VP: cannot handle clip vertex output.\n");
+ }
+ break;
+
default:
fprintf(stderr, "r300 VP: unknown vertex output semantic: %i.\n",
info->output_semantic_name[i]);
c->code->outputs[outputs->wpos] = reg++;
}
+void r300_init_vs_outputs(struct r300_context *r300,
+ struct r300_vertex_shader *vs)
+{
+ tgsi_scan_shader(vs->state.tokens, &vs->info);
+ r300_shader_read_vs_outputs(r300, &vs->info, &vs->outputs);
+}
+
static void r300_dummy_vertex_shader(
struct r300_context* r300,
struct r300_vertex_shader* shader)
{
- struct pipe_shader_state state;
struct ureg_program *ureg;
struct ureg_dst dst;
struct ureg_src imm;
/* Make a simple vertex shader which outputs (0, 0, 0, 1),
* effectively rendering nothing. */
- ureg = ureg_create(TGSI_PROCESSOR_VERTEX);
+ ureg = ureg_create(PIPE_SHADER_VERTEX);
dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0);
imm = ureg_imm4f(ureg, 0, 0, 0, 1);
ureg_MOV(ureg, dst, imm);
ureg_END(ureg);
- state.tokens = ureg_finalize(ureg);
+ shader->state.tokens = tgsi_dup_tokens(ureg_finalize(ureg));
+ ureg_destroy(ureg);
shader->dummy = TRUE;
- r300_translate_vertex_shader(r300, shader, state.tokens);
-
- ureg_destroy(ureg);
+ r300_init_vs_outputs(r300, shader);
+ r300_translate_vertex_shader(r300, shader);
}
-void r300_translate_vertex_shader(struct r300_context* r300,
- struct r300_vertex_shader* vs,
- const struct tgsi_token *tokens)
+void r300_translate_vertex_shader(struct r300_context *r300,
+ struct r300_vertex_shader *vs)
{
struct r300_vertex_program_compiler compiler;
struct tgsi_to_rc ttr;
-
- tgsi_scan_shader(tokens, &vs->info);
- r300_shader_read_vs_outputs(&vs->info, &vs->outputs);
+ unsigned i;
/* Setup the compiler */
- rc_init(&compiler.Base);
+ memset(&compiler, 0, sizeof(compiler));
+ rc_init(&compiler.Base, NULL);
- compiler.Base.Debug = DBG_ON(r300, DBG_VP);
+ DBG_ON(r300, DBG_VP) ? compiler.Base.Debug |= RC_DBG_LOG : 0;
+ DBG_ON(r300, DBG_P_STAT) ? compiler.Base.Debug |= RC_DBG_STATS : 0;
compiler.code = &vs->code;
compiler.UserData = vs;
-
- if (compiler.Base.Debug) {
- debug_printf("r300: Initial vertex program\n");
- tgsi_dump(tokens, 0);
+ compiler.Base.is_r500 = r300->screen->caps.is_r500;
+ compiler.Base.disable_optimizations = DBG_ON(r300, DBG_NO_OPT);
+ compiler.Base.has_half_swizzles = FALSE;
+ compiler.Base.has_presub = FALSE;
+ compiler.Base.has_omod = FALSE;
+ compiler.Base.max_temp_regs = 32;
+ compiler.Base.max_constants = 256;
+ compiler.Base.max_alu_insts = r300->screen->caps.is_r500 ? 1024 : 256;
+
+ if (compiler.Base.Debug & RC_DBG_LOG) {
+ DBG(r300, DBG_VP, "r300: Initial vertex program\n");
+ tgsi_dump(vs->state.tokens, 0);
}
/* Translate TGSI to our internal representation */
ttr.info = &vs->info;
ttr.use_half_swizzles = FALSE;
- r300_tgsi_to_rc(&ttr, tokens);
+ r300_tgsi_to_rc(&ttr, vs->state.tokens);
+
+ if (ttr.error) {
+ fprintf(stderr, "r300 VP: Cannot translate a shader. "
+ "Using a dummy shader instead.\n");
+ r300_dummy_vertex_shader(r300, vs);
+ return;
+ }
+
+ if (compiler.Base.Program.Constants.Count > 200) {
+ compiler.Base.remove_unused_constants = TRUE;
+ }
compiler.RequiredOutputs = ~(~0 << (vs->info.num_outputs + 1));
compiler.SetHwInputOutput = &set_vertex_inputs_outputs;
/* Invoke the compiler */
r3xx_compile_vertex_program(&compiler);
if (compiler.Base.Error) {
- /* XXX We should fallback using Draw. */
fprintf(stderr, "r300 VP: Compiler error:\n%sUsing a dummy shader"
" instead.\n", compiler.Base.ErrorMsg);
}
/* Initialize numbers of constants for each type. */
- vs->externals_count = ttr.immediate_offset;
+ vs->externals_count = 0;
+ for (i = 0;
+ i < vs->code.constants.Count &&
+ vs->code.constants.Constants[i].Type == RC_CONSTANT_EXTERNAL; i++) {
+ vs->externals_count = i+1;
+ }
+ for (; i < vs->code.constants.Count; i++) {
+ assert(vs->code.constants.Constants[i].Type == RC_CONSTANT_IMMEDIATE);
+ }
vs->immediates_count = vs->code.constants.Count - vs->externals_count;
/* And, finally... */
projects / mesa.git / blobdiff