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Experimenting with index ranges. Look unused by d3d :(

This commit is contained in:
Ben Vanik 2015-01-02 18:21:39 -08:00
parent 5236477043
commit 79179c28ef
2 changed files with 10 additions and 1 deletions
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9
src/xenia/gpu/gl4/command_processor.cc
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@ -1311,8 +1311,15 @@ void CommandProcessor::PrepareDraw(DrawCommand* draw_command) {
cmd.index_count = 0; cmd.index_count = 0;
cmd.index_buffer.address = nullptr; cmd.index_buffer.address = nullptr;
// Generic stuff. // Starting index when drawing indexed.
cmd.start_index = regs[XE_GPU_REG_VGT_INDX_OFFSET].u32; cmd.start_index = regs[XE_GPU_REG_VGT_INDX_OFFSET].u32;
// Min/max index ranges. This is often [0,FFFF|FFFFFF], but if it's not we
// can use it to do a glDrawRangeElements.
cmd.min_index = regs[XE_GPU_REG_VGT_MIN_VTX_INDX].u32;
cmd.max_index = regs[XE_GPU_REG_VGT_MAX_VTX_INDX].u32;
// ?
cmd.base_vertex = 0; cmd.base_vertex = 0;
cmd.state_data = nullptr; cmd.state_data = nullptr;

2
src/xenia/gpu/gl4/command_processor.h
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@ -79,6 +79,8 @@ static_assert(sizeof(UniformDataBlock) <= 16 * 1024,
struct DrawCommand { struct DrawCommand {
PrimitiveType prim_type; PrimitiveType prim_type;
uint32_t start_index; uint32_t start_index;
uint32_t min_index;
uint32_t max_index;
uint32_t index_count; uint32_t index_count;
uint32_t base_vertex; uint32_t base_vertex;