/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "util/u_debug.h"
#include "pipe/p_shader_tokens.h"
#include "tgsi_parse.h"
-#include "tgsi_build.h"
#include "util/u_memory.h"
-void
-tgsi_full_token_init(
- union tgsi_full_token *full_token )
-{
- full_token->Token.Type = TGSI_TOKEN_TYPE_DECLARATION;
-}
-
-void
-tgsi_full_token_free(
- union tgsi_full_token *full_token )
-{
-}
-
unsigned
tgsi_parse_init(
struct tgsi_parse_context *ctx,
const struct tgsi_token *tokens )
{
- ctx->FullVersion.Version = *(struct tgsi_version *) &tokens[0];
- if( ctx->FullVersion.Version.MajorVersion > 1 ) {
- return TGSI_PARSE_ERROR;
- }
-
- ctx->FullHeader.Header = *(struct tgsi_header *) &tokens[1];
- if( ctx->FullHeader.Header.HeaderSize >= 2 ) {
- ctx->FullHeader.Processor = *(struct tgsi_processor *) &tokens[2];
+ ctx->FullHeader.Header = *(struct tgsi_header *) &tokens[0];
+ if (ctx->FullHeader.Header.HeaderSize >= 2) {
+ ctx->FullHeader.Processor = *(struct tgsi_processor *) &tokens[1];
}
else {
- ctx->FullHeader.Processor = tgsi_default_processor();
+ return TGSI_PARSE_ERROR;
}
ctx->Tokens = tokens;
- ctx->Position = 1 + ctx->FullHeader.Header.HeaderSize;
-
- tgsi_full_token_init( &ctx->FullToken );
+ ctx->Position = ctx->FullHeader.Header.HeaderSize;
return TGSI_PARSE_OK;
}
void
tgsi_parse_free(
- struct tgsi_parse_context *ctx )
+ UNUSED struct tgsi_parse_context *ctx )
{
- tgsi_full_token_free( &ctx->FullToken );
}
boolean
tgsi_parse_end_of_tokens(
struct tgsi_parse_context *ctx )
{
- return ctx->Position >=
- 1 + ctx->FullHeader.Header.HeaderSize + ctx->FullHeader.Header.BodySize;
+ /* All values involved are unsigned, but the sum will be promoted to
+ * a signed value (at least on 64 bit). To capture a possible overflow
+ * make it a signed comparison.
+ */
+ return (int)ctx->Position >=
+ ctx->FullHeader.Header.HeaderSize + ctx->FullHeader.Header.BodySize;
}
* warnings. The warnings seem harmless on x86 but on PPC they cause
* real failures.
*/
-static INLINE void
+static inline void
copy_token(void *dst, const void *src)
{
memcpy(dst, src, 4);
struct tgsi_token token;
unsigned i;
- tgsi_full_token_free( &ctx->FullToken );
- tgsi_full_token_init( &ctx->FullToken );
-
next_token( ctx, &token );
switch( token.Type ) {
{
struct tgsi_full_declaration *decl = &ctx->FullToken.FullDeclaration;
- *decl = tgsi_default_full_declaration();
+ memset(decl, 0, sizeof *decl);
copy_token(&decl->Declaration, &token);
- next_token( ctx, &decl->DeclarationRange );
+ next_token( ctx, &decl->Range );
- if( decl->Declaration.Semantic ) {
+ if (decl->Declaration.Dimension) {
+ next_token(ctx, &decl->Dim);
+ }
+
+ if (decl->Declaration.Interpolate) {
+ next_token( ctx, &decl->Interp );
+ }
+
+ if (decl->Declaration.Semantic) {
next_token( ctx, &decl->Semantic );
}
+ if (decl->Declaration.File == TGSI_FILE_IMAGE) {
+ next_token(ctx, &decl->Image);
+ }
+
+ if (decl->Declaration.File == TGSI_FILE_SAMPLER_VIEW) {
+ next_token(ctx, &decl->SamplerView);
+ }
+
+ if (decl->Declaration.Array) {
+ next_token(ctx, &decl->Array);
+ }
+
break;
}
case TGSI_TOKEN_TYPE_IMMEDIATE:
{
struct tgsi_full_immediate *imm = &ctx->FullToken.FullImmediate;
+ uint imm_count;
- *imm = tgsi_default_full_immediate();
+ memset(imm, 0, sizeof *imm);
copy_token(&imm->Immediate, &token);
- assert( !imm->Immediate.Extended );
+
+ imm_count = imm->Immediate.NrTokens - 1;
switch (imm->Immediate.DataType) {
case TGSI_IMM_FLOAT32:
- {
- uint imm_count = imm->Immediate.NrTokens - 1;
- for (i = 0; i < imm_count; i++) {
- next_token(ctx, &imm->u[i]);
- }
+ case TGSI_IMM_FLOAT64:
+ for (i = 0; i < imm_count; i++) {
+ next_token(ctx, &imm->u[i].Float);
+ }
+ break;
+
+ case TGSI_IMM_UINT32:
+ case TGSI_IMM_UINT64:
+ for (i = 0; i < imm_count; i++) {
+ next_token(ctx, &imm->u[i].Uint);
+ }
+ break;
+
+ case TGSI_IMM_INT32:
+ case TGSI_IMM_INT64:
+ for (i = 0; i < imm_count; i++) {
+ next_token(ctx, &imm->u[i].Int);
}
break;
case TGSI_TOKEN_TYPE_INSTRUCTION:
{
struct tgsi_full_instruction *inst = &ctx->FullToken.FullInstruction;
- unsigned extended;
- *inst = tgsi_default_full_instruction();
+ memset(inst, 0, sizeof *inst);
copy_token(&inst->Instruction, &token);
- extended = inst->Instruction.Extended;
- if (inst->Instruction.Predicate) {
- next_token(ctx, &inst->InstructionPredicate);
+ if (inst->Instruction.Label) {
+ next_token( ctx, &inst->Label);
}
- while( extended ) {
- struct tgsi_src_register_ext token;
-
- next_token( ctx, &token );
-
- switch( token.Type ) {
- case TGSI_INSTRUCTION_EXT_TYPE_LABEL:
- copy_token(&inst->InstructionExtLabel, &token);
- break;
-
- case TGSI_INSTRUCTION_EXT_TYPE_TEXTURE:
- copy_token(&inst->InstructionExtTexture, &token);
- break;
-
- default:
- assert( 0 );
+ if (inst->Instruction.Texture) {
+ next_token( ctx, &inst->Texture);
+ for (i = 0; i < inst->Texture.NumOffsets; i++) {
+ next_token( ctx, &inst->TexOffsets[i] );
}
+ }
- extended = token.Extended;
+ if (inst->Instruction.Memory) {
+ next_token(ctx, &inst->Memory);
}
assert( inst->Instruction.NumDstRegs <= TGSI_FULL_MAX_DST_REGISTERS );
- for( i = 0; i < inst->Instruction.NumDstRegs; i++ ) {
- unsigned extended;
-
- next_token( ctx, &inst->FullDstRegisters[i].DstRegister );
-
- /*
- * No support for indirect or multi-dimensional addressing.
- */
- assert( !inst->FullDstRegisters[i].DstRegister.Dimension );
-
- extended = inst->FullDstRegisters[i].DstRegister.Extended;
-
- while( extended ) {
- struct tgsi_src_register_ext token;
+ for (i = 0; i < inst->Instruction.NumDstRegs; i++) {
- next_token( ctx, &token );
+ next_token( ctx, &inst->Dst[i].Register );
- switch( token.Type ) {
- case TGSI_DST_REGISTER_EXT_TYPE_MODULATE:
- copy_token(&inst->FullDstRegisters[i].DstRegisterExtModulate,
- &token);
- break;
+ if (inst->Dst[i].Register.Indirect)
+ next_token( ctx, &inst->Dst[i].Indirect );
- default:
- assert( 0 );
- }
-
- extended = token.Extended;
- }
-
- if( inst->FullDstRegisters[i].DstRegister.Indirect ) {
- next_token( ctx, &inst->FullDstRegisters[i].DstRegisterInd );
+ if (inst->Dst[i].Register.Dimension) {
+ next_token( ctx, &inst->Dst[i].Dimension );
/*
- * No support for indirect or multi-dimensional addressing.
+ * No support for multi-dimensional addressing.
*/
- assert( !inst->FullDstRegisters[i].DstRegisterInd.Indirect );
- assert( !inst->FullDstRegisters[i].DstRegisterInd.Dimension );
- assert( !inst->FullDstRegisters[i].DstRegisterInd.Extended );
+ assert( !inst->Dst[i].Dimension.Dimension );
+
+ if (inst->Dst[i].Dimension.Indirect)
+ next_token( ctx, &inst->Dst[i].DimIndirect );
}
}
assert( inst->Instruction.NumSrcRegs <= TGSI_FULL_MAX_SRC_REGISTERS );
- for( i = 0; i < inst->Instruction.NumSrcRegs; i++ ) {
- unsigned extended;
+ for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
- next_token( ctx, &inst->FullSrcRegisters[i].SrcRegister );
+ next_token( ctx, &inst->Src[i].Register );
- extended = inst->FullSrcRegisters[i].SrcRegister.Extended;
+ if (inst->Src[i].Register.Indirect)
+ next_token( ctx, &inst->Src[i].Indirect );
- while( extended ) {
- struct tgsi_src_register_ext token;
+ if (inst->Src[i].Register.Dimension) {
+ next_token( ctx, &inst->Src[i].Dimension );
- next_token( ctx, &token );
-
- switch( token.Type ) {
- case TGSI_SRC_REGISTER_EXT_TYPE_MOD:
- copy_token(&inst->FullSrcRegisters[i].SrcRegisterExtMod,
- &token);
- break;
-
- default:
- assert( 0 );
- }
+ /*
+ * No support for multi-dimensional addressing.
+ */
+ assert( !inst->Src[i].Dimension.Dimension );
- extended = token.Extended;
+ if (inst->Src[i].Dimension.Indirect)
+ next_token( ctx, &inst->Src[i].DimIndirect );
}
+ }
- if( inst->FullSrcRegisters[i].SrcRegister.Indirect ) {
- next_token( ctx, &inst->FullSrcRegisters[i].SrcRegisterInd );
+ break;
+ }
- /*
- * No support for indirect or multi-dimensional addressing.
- */
- assert( !inst->FullSrcRegisters[i].SrcRegisterInd.Indirect );
- assert( !inst->FullSrcRegisters[i].SrcRegisterInd.Dimension );
- assert( !inst->FullSrcRegisters[i].SrcRegisterInd.Extended );
- }
+ case TGSI_TOKEN_TYPE_PROPERTY:
+ {
+ struct tgsi_full_property *prop = &ctx->FullToken.FullProperty;
+ uint prop_count;
- if( inst->FullSrcRegisters[i].SrcRegister.Dimension ) {
- next_token( ctx, &inst->FullSrcRegisters[i].SrcRegisterDim );
+ memset(prop, 0, sizeof *prop);
+ copy_token(&prop->Property, &token);
- /*
- * No support for multi-dimensional addressing.
- */
- assert( !inst->FullSrcRegisters[i].SrcRegisterDim.Dimension );
- assert( !inst->FullSrcRegisters[i].SrcRegisterDim.Extended );
-
- if( inst->FullSrcRegisters[i].SrcRegisterDim.Indirect ) {
- next_token( ctx, &inst->FullSrcRegisters[i].SrcRegisterDimInd );
-
- /*
- * No support for indirect or multi-dimensional addressing.
- */
- assert( !inst->FullSrcRegisters[i].SrcRegisterInd.Indirect );
- assert( !inst->FullSrcRegisters[i].SrcRegisterInd.Dimension );
- assert( !inst->FullSrcRegisters[i].SrcRegisterInd.Extended );
- }
- }
+ prop_count = prop->Property.NrTokens - 1;
+ for (i = 0; i < prop_count; i++) {
+ next_token(ctx, &prop->u[i]);
}
break;
}
-unsigned
-tgsi_num_tokens(const struct tgsi_token *tokens)
-{
- struct tgsi_parse_context ctx;
- if (tgsi_parse_init(&ctx, tokens) == TGSI_PARSE_OK) {
- unsigned len = (ctx.FullHeader.Header.HeaderSize +
- ctx.FullHeader.Header.BodySize +
- 1);
- return len;
- }
- return 0;
-}
/**
memcpy(new_tokens, tokens, bytes);
return new_tokens;
}
+
+
+/**
+ * Allocate memory for num_tokens tokens.
+ */
+struct tgsi_token *
+tgsi_alloc_tokens(unsigned num_tokens)
+{
+ unsigned bytes = num_tokens * sizeof(struct tgsi_token);
+ return (struct tgsi_token *) MALLOC(bytes);
+}
+
+
+/**
+ * Free tokens allocated by tgsi_alloc_tokens() or tgsi_dup_tokens()
+ */
+void
+tgsi_free_tokens(const struct tgsi_token *tokens)
+{
+ FREE((void *) tokens);
+}
+
+
+void
+tgsi_dump_tokens(const struct tgsi_token *tokens)
+{
+ const unsigned *dwords = (const unsigned *)tokens;
+ int nr = tgsi_num_tokens(tokens);
+ int i;
+
+ STATIC_ASSERT(sizeof(*tokens) == sizeof(unsigned));
+
+ debug_printf("const unsigned tokens[%d] = {\n", nr);
+ for (i = 0; i < nr; i++)
+ debug_printf("0x%08x,\n", dwords[i]);
+ debug_printf("};\n");
+}
+
+unsigned
+tgsi_get_processor_type(const struct tgsi_token *tokens)
+{
+ struct tgsi_parse_context parse;
+
+ if (tgsi_parse_init( &parse, tokens ) != TGSI_PARSE_OK) {
+ debug_printf("tgsi_parse_init() failed in %s:%i!\n", __func__, __LINE__);
+ return ~0;
+ }
+ return parse.FullHeader.Processor.Processor;
+}