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r600g: disable I2F conversion for InstanceID if integers are supported

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Signed-off-by: Vadim Girlin <vadimgirlin@gmail.com>
Reviewed-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Vadim Girlin
2012-04-09 19:35:40 +04:00
committed by Dave Airlie
parent e382a0c142
commit 951b888be4
1 changed files with 16 additions and 11 deletions
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src/gallium/drivers/r600/r600_shader.c
+16 -11
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@@ -194,6 +194,7 @@ struct r600_shader_ctx {
boolean clip_vertex_write;
unsigned cv_output;
int fragcoord_input;
int native_integers;
};
struct r600_shader_tgsi_instruction {
@@ -500,20 +501,22 @@ static int tgsi_declaration(struct r600_shader_ctx *ctx)
case TGSI_FILE_SYSTEM_VALUE:
if (d->Semantic.Name == TGSI_SEMANTIC_INSTANCEID) {
struct r600_bytecode_alu alu;
memset(&alu, 0, sizeof(struct r600_bytecode_alu));
if (!ctx->native_integers) {
struct r600_bytecode_alu alu;
memset(&alu, 0, sizeof(struct r600_bytecode_alu));
alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_INT_TO_FLT);
alu.src[0].sel = 0;
alu.src[0].chan = 3;
alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_INT_TO_FLT);
alu.src[0].sel = 0;
alu.src[0].chan = 3;
alu.dst.sel = 0;
alu.dst.chan = 3;
alu.dst.write = 1;
alu.last = 1;
alu.dst.sel = 0;
alu.dst.chan = 3;
alu.dst.write = 1;
alu.last = 1;
if ((r = r600_bytecode_add_alu(ctx->bc, &alu)))
return r;
if ((r = r600_bytecode_add_alu(ctx->bc, &alu)))
return r;
}
break;
} else if (d->Semantic.Name == TGSI_SEMANTIC_VERTEXID)
break;
@@ -818,6 +821,8 @@ static int r600_shader_from_tgsi(struct r600_context * rctx, struct r600_pipe_sh
ctx.bc = &shader->bc;
ctx.shader = shader;
ctx.native_integers = (rctx->screen->glsl_feature_level >= 130);
r600_bytecode_init(ctx.bc, rctx->chip_class, rctx->family);
ctx.tokens = tokens;
tgsi_scan_shader(tokens, &ctx.info);