*/
static uint
src_vector(struct i915_fp_compile *p,
- const struct tgsi_full_src_register *source,
+ const struct i915_full_src_register *source,
struct i915_fragment_shader* fs)
{
uint index = source->Register.Index;
*/
static uint
get_result_vector(struct i915_fp_compile *p,
- const struct tgsi_full_dst_register *dest)
+ const struct i915_full_dst_register *dest)
{
switch (dest->Register.File) {
case TGSI_FILE_OUTPUT:
* Compute flags for saturation and writemask.
*/
static uint
-get_result_flags(const struct tgsi_full_instruction *inst)
+get_result_flags(const struct i915_full_instruction *inst)
{
const uint writeMask
= inst->Dst[0].Register.WriteMask;
*/
static void
emit_tex(struct i915_fp_compile *p,
- const struct tgsi_full_instruction *inst,
+ const struct i915_full_instruction *inst,
uint opcode,
struct i915_fragment_shader* fs)
{
*/
static void
emit_simple_arith(struct i915_fp_compile *p,
- const struct tgsi_full_instruction *inst,
+ const struct i915_full_instruction *inst,
uint opcode, uint numArgs,
struct i915_fragment_shader* fs)
{
/** As above, but swap the first two src regs */
static void
emit_simple_arith_swap2(struct i915_fp_compile *p,
- const struct tgsi_full_instruction *inst,
+ const struct i915_full_instruction *inst,
uint opcode, uint numArgs,
struct i915_fragment_shader* fs)
{
- struct tgsi_full_instruction inst2;
+ struct i915_full_instruction inst2;
assert(numArgs == 2);
*/
static void
i915_translate_instruction(struct i915_fp_compile *p,
- const struct tgsi_full_instruction *inst,
+ const struct i915_full_instruction *inst,
struct i915_fragment_shader *fs)
{
uint writemask;
emit_simple_arith(p, inst, A0_MUL, 2, fs);
break;
+ case TGSI_OPCODE_NOP:
+ break;
+
case TGSI_OPCODE_POW:
src0 = src_vector(p, &inst->Src[0], fs);
src1 = src_vector(p, &inst->Src[1], fs);
}
-/**
- * Translate TGSI fragment shader into i915 hardware instructions.
- * \param p the translation state
- * \param tokens the TGSI token array
- */
-static void
-i915_translate_instructions(struct i915_fp_compile *p,
- const struct tgsi_token *tokens,
- struct i915_fragment_shader *fs)
+static void i915_translate_token(struct i915_fp_compile *p,
+ const union i915_full_token* token,
+ struct i915_fragment_shader *fs)
{
struct i915_fragment_shader *ifs = p->shader;
- struct tgsi_parse_context parse;
-
- tgsi_parse_init( &parse, tokens );
-
- while( !tgsi_parse_end_of_tokens( &parse ) ) {
-
- tgsi_parse_token( &parse );
+ switch( token->Token.Type ) {
+ case TGSI_TOKEN_TYPE_PROPERTY:
+ /*
+ * We only support one cbuf, but we still need to ignore the property
+ * correctly so we don't hit the assert at the end of the switch case.
+ */
+ assert(token->FullProperty.Property.PropertyName ==
+ TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS);
+ break;
- switch( parse.FullToken.Token.Type ) {
- case TGSI_TOKEN_TYPE_PROPERTY:
- /*
- * We only support one cbuf, but we still need to ignore the property
- * correctly so we don't hit the assert at the end of the switch case.
- */
- assert(parse.FullToken.FullProperty.Property.PropertyName ==
- TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS);
- break;
- case TGSI_TOKEN_TYPE_DECLARATION:
- if (parse.FullToken.FullDeclaration.Declaration.File
- == TGSI_FILE_CONSTANT) {
- uint i;
- for (i = parse.FullToken.FullDeclaration.Range.First;
- i <= parse.FullToken.FullDeclaration.Range.Last;
- i++) {
- assert(ifs->constant_flags[i] == 0x0);
- ifs->constant_flags[i] = I915_CONSTFLAG_USER;
- ifs->num_constants = MAX2(ifs->num_constants, i + 1);
- }
+ case TGSI_TOKEN_TYPE_DECLARATION:
+ if (token->FullDeclaration.Declaration.File
+ == TGSI_FILE_CONSTANT) {
+ uint i;
+ for (i = token->FullDeclaration.Range.First;
+ i <= token->FullDeclaration.Range.Last;
+ i++) {
+ assert(ifs->constant_flags[i] == 0x0);
+ ifs->constant_flags[i] = I915_CONSTFLAG_USER;
+ ifs->num_constants = MAX2(ifs->num_constants, i + 1);
}
- else if (parse.FullToken.FullDeclaration.Declaration.File
- == TGSI_FILE_TEMPORARY) {
- uint i;
- for (i = parse.FullToken.FullDeclaration.Range.First;
- i <= parse.FullToken.FullDeclaration.Range.Last;
- i++) {
- if (i >= I915_MAX_TEMPORARY)
- debug_printf("Too many temps (%d)\n",i);
- else
- /* XXX just use shader->info->file_mask[TGSI_FILE_TEMPORARY] */
- p->temp_flag |= (1 << i); /* mark temp as used */
- }
+ }
+ else if (token->FullDeclaration.Declaration.File
+ == TGSI_FILE_TEMPORARY) {
+ uint i;
+ for (i = token->FullDeclaration.Range.First;
+ i <= token->FullDeclaration.Range.Last;
+ i++) {
+ if (i >= I915_MAX_TEMPORARY)
+ debug_printf("Too many temps (%d)\n",i);
+ else
+ /* XXX just use shader->info->file_mask[TGSI_FILE_TEMPORARY] */
+ p->temp_flag |= (1 << i); /* mark temp as used */
}
- break;
+ }
+ break;
- case TGSI_TOKEN_TYPE_IMMEDIATE:
- {
- const struct tgsi_full_immediate *imm
- = &parse.FullToken.FullImmediate;
- const uint pos = p->num_immediates++;
- uint j;
- assert( imm->Immediate.NrTokens <= 4 + 1 );
- for (j = 0; j < imm->Immediate.NrTokens - 1; j++) {
- p->immediates[pos][j] = imm->u[j].Float;
- }
+ case TGSI_TOKEN_TYPE_IMMEDIATE:
+ {
+ const struct tgsi_full_immediate *imm
+ = &token->FullImmediate;
+ const uint pos = p->num_immediates++;
+ uint j;
+ assert( imm->Immediate.NrTokens <= 4 + 1 );
+ for (j = 0; j < imm->Immediate.NrTokens - 1; j++) {
+ p->immediates[pos][j] = imm->u[j].Float;
}
- break;
+ }
+ break;
- case TGSI_TOKEN_TYPE_INSTRUCTION:
- if (p->first_instruction) {
- /* resolve location of immediates */
- uint i, j;
- for (i = 0; i < p->num_immediates; i++) {
- /* find constant slot for this immediate */
- for (j = 0; j < I915_MAX_CONSTANT; j++) {
- if (ifs->constant_flags[j] == 0x0) {
- memcpy(ifs->constants[j],
- p->immediates[i],
- 4 * sizeof(float));
- /*printf("immediate %d maps to const %d\n", i, j);*/
- ifs->constant_flags[j] = 0xf; /* all four comps used */
- p->immediates_map[i] = j;
- ifs->num_constants = MAX2(ifs->num_constants, j + 1);
- break;
- }
+ case TGSI_TOKEN_TYPE_INSTRUCTION:
+ if (p->first_instruction) {
+ /* resolve location of immediates */
+ uint i, j;
+ for (i = 0; i < p->num_immediates; i++) {
+ /* find constant slot for this immediate */
+ for (j = 0; j < I915_MAX_CONSTANT; j++) {
+ if (ifs->constant_flags[j] == 0x0) {
+ memcpy(ifs->constants[j],
+ p->immediates[i],
+ 4 * sizeof(float));
+ /*printf("immediate %d maps to const %d\n", i, j);*/
+ ifs->constant_flags[j] = 0xf; /* all four comps used */
+ p->immediates_map[i] = j;
+ ifs->num_constants = MAX2(ifs->num_constants, j + 1);
+ break;
}
}
-
- p->first_instruction = FALSE;
}
- i915_translate_instruction(p, &parse.FullToken.FullInstruction, fs);
- break;
-
- default:
- assert( 0 );
+ p->first_instruction = FALSE;
}
- } /* while */
+ i915_translate_instruction(p, &token->FullInstruction, fs);
+ break;
+
+ default:
+ assert( 0 );
+ }
- tgsi_parse_free (&parse);
+}
+
+/**
+ * Translate TGSI fragment shader into i915 hardware instructions.
+ * \param p the translation state
+ * \param tokens the TGSI token array
+ */
+static void
+i915_translate_instructions(struct i915_fp_compile *p,
+ const struct i915_token_list *tokens,
+ struct i915_fragment_shader *fs)
+{
+ int i;
+ for(i = 0; i<tokens->NumTokens; i++) {
+ i915_translate_token(p, &tokens->Tokens[i], fs);
+ }
}
p = i915_init_compile(i915, fs);
- i915_translate_instructions(p, tokens, fs);
+ struct i915_token_list* i_tokens = i915_optimize(tokens);
+ i915_translate_instructions(p, i_tokens, fs);
i915_fixup_depth_write(p);
i915_fini_compile(i915, p);
+ i915_optimize_free(i_tokens);
}
projects / mesa.git / blobdiff