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Implementing one case of conditional shader execution blocks.

This commit is contained in:
Ben Vanik 2015-03-14 23:55:33 -07:00
parent ff4e9c32b6
commit 613fdac71d
3 changed files with 16 additions and 12 deletions
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1
src/xenia/gpu/gl4/command_processor.cc
View File

@ -2264,6 +2264,7 @@ CommandProcessor::UpdateStatus CommandProcessor::PopulateVertexBuffers() {
fetch = &group->vertex_fetch_2;
break;
}
assert_true(fetch->endian == 2);
// Constrain the vertex upload to just what we are interested in.
const size_t kRangeKludge = 5; // could pick index count based on prim.

3
src/xenia/gpu/gl4/gl4_shader.cc
View File

@ -244,8 +244,7 @@ bool GL4Shader::PreparePixelShader(
}
has_prepared_ = true;
std::string source =
GetHeader() +
std::string source = GetHeader() +
"layout(origin_upper_left) in vec4 gl_FragCoord;\n"
"layout(location = 0) flat in uint draw_id;\n"
"layout(location = 1) in VertexData vtx;\n"

6
src/xenia/gpu/gl4/gl4_shader_translator.cc
View File

@ -1325,7 +1325,7 @@ bool GL4ShaderTranslator::TranslateExec(const instr_cf_exec_t& cf) {
if (vc) {
Append(" VC(0x%x)", vc);
}
if (cf.bool_addr) {
if (cf.is_cond_exec()) {
Append(" BOOL_ADDR(0x%x)", cf.bool_addr);
}
if (cf.address_mode == ABSOLUTE_ADDR) {
@ -1337,6 +1337,10 @@ bool GL4ShaderTranslator::TranslateExec(const instr_cf_exec_t& cf) {
Append("\n");
if (cf.is_cond_exec()) {
if (cf.opc == COND_EXEC_PRED_CLEAN || cf.opc == COND_EXEC_PRED_CLEAN_END) {
Append(" p = (state.bool_consts[%d] & (1 << %d)) != 0;\n",
cf.bool_addr / 32, cf.bool_addr % 32);
}
Append(" if(%cp) {\n", cf.pred_condition ? ' ' : '!');
}