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Improve DrawSpan codegen enough to do the simple shade for 64x64 flats

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This commit is contained in:
Magnus Norddahl 2016-09-27 22:54:37 +02:00
commit f9a7186550
3 changed files with 140 additions and 20 deletions
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26
src/r_compiler/fixedfunction/fixedfunction.h
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@ -6,6 +6,7 @@
#include "r_compiler/ssa/ssa_vec8s.h"
#include "r_compiler/ssa/ssa_vec16ub.h"
#include "r_compiler/ssa/ssa_int.h"
#include "r_compiler/ssa/ssa_short.h"
#include "r_compiler/ssa/ssa_ubyte_ptr.h"
#include "r_compiler/ssa/ssa_vec4f_ptr.h"
#include "r_compiler/ssa/ssa_vec4i_ptr.h"
@ -39,16 +40,39 @@ private:
std::unique_ptr<llvm::legacy::FunctionPassManager> mFunctionPassManager;
};
struct RenderArgs
{
uint32_t *destorg;
const uint32_t *source;
int32_t destpitch;
int32_t xfrac;
int32_t yfrac;
int32_t xstep;
int32_t ystep;
int32_t x1;
int32_t x2;
int32_t y;
int32_t xbits;
int32_t ybits;
uint32_t light;
uint32_t srcalpha;
uint32_t destalpha;
//ShadeConstants _shade_constants;
//int32_t nearest_filter;
};
class FixedFunction
{
public:
FixedFunction();
void(*DrawSpan)(int, uint32_t *) = nullptr;
void(*DrawSpan)(const RenderArgs *) = nullptr;
private:
void CodegenDrawSpan();
static llvm::Type *GetRenderArgsStruct(llvm::LLVMContext &context);
RenderProgram mProgram;
};