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#ifndef DRAW_LLVM_H
#define DRAW_LLVM_H
#include "draw/draw_private.h"
#include "pipe/p_context.h"
#include <llvm-c/Core.h>
#include <llvm-c/Analysis.h>
#include <llvm-c/Target.h>
#include <llvm-c/ExecutionEngine.h>
struct draw_jit_texture
{
uint32_t width;
uint32_t height;
uint32_t stride;
const void *data;
};
enum {
DRAW_JIT_TEXTURE_WIDTH = 0,
DRAW_JIT_TEXTURE_HEIGHT,
DRAW_JIT_TEXTURE_STRIDE,
DRAW_JIT_TEXTURE_DATA
};
enum {
DRAW_JIT_VERTEX_VERTEX_ID = 0,
DRAW_JIT_VERTEX_CLIP,
DRAW_JIT_VERTEX_DATA
};
/**
* This structure is passed directly to the generated vertex shader.
*
* It contains the derived state.
*
* Changes here must be reflected in the draw_jit_context_* macros.
* Changes to the ordering should be avoided.
*
* Only use types with a clear size and padding here, in particular prefer the
* stdint.h types to the basic integer types.
*/
struct draw_jit_context
{
const float *vs_constants;
const float *gs_constants;
struct draw_jit_texture textures[PIPE_MAX_SAMPLERS];
};
#define draw_jit_context_vs_constants(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 0, "vs_constants")
#define draw_jit_context_gs_constants(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 1, "gs_constants")
#define DRAW_JIT_CONTEXT_TEXTURES_INDEX 2
#define draw_jit_context_textures(_builder, _ptr) \
lp_build_struct_get_ptr(_builder, _ptr, DRAW_JIT_CONTEXT_TEXTURES_INDEX, "textures")
#define draw_jit_header_id(_builder, _ptr) \
lp_build_struct_get_ptr(_builder, _ptr, 0, "id")
#define draw_jit_header_clip(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 1, "clip")
#define draw_jit_header_data(_builder, _ptr) \
lp_build_struct_get_ptr(_builder, _ptr, 2, "data")
#define draw_jit_vbuffer_stride(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 0, "stride")
#define draw_jit_vbuffer_offset(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 2, "buffer_offset")
typedef void
(*draw_jit_vert_func)(struct draw_jit_context *context,
struct vertex_header *io,
const char *vbuffers[PIPE_MAX_ATTRIBS],
unsigned start,
unsigned count,
unsigned stride,
struct pipe_vertex_buffer *vertex_buffers);
struct draw_llvm {
struct draw_context *draw;
struct draw_jit_context jit_context;
LLVMModuleRef module;
LLVMExecutionEngineRef engine;
LLVMModuleProviderRef provider;
LLVMTargetDataRef target;
LLVMPassManagerRef pass;
LLVMTypeRef context_ptr_type;
LLVMTypeRef vertex_header_ptr_type;
LLVMTypeRef buffer_ptr_type;
LLVMTypeRef vb_ptr_type;
};
struct draw_llvm_variant_key
{
struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS];
unsigned nr_vertex_elements;
struct pipe_shader_state vs;
};
struct draw_llvm_variant
{
struct draw_llvm_variant_key key;
LLVMValueRef function;
draw_jit_vert_func jit_func;
struct draw_llvm_variant *next;
};
struct draw_llvm *
draw_llvm_create(struct draw_context *draw);
void
draw_llvm_destroy(struct draw_llvm *llvm);
struct draw_llvm_variant *
draw_llvm_prepare(struct draw_llvm *llvm, int num_inputs);
void
draw_llvm_make_variant_key(struct draw_llvm *llvm,
struct draw_llvm_variant_key *key);
LLVMValueRef
draw_llvm_translate_from(LLVMBuilderRef builder,
LLVMValueRef vbuffer,
enum pipe_format from_format);
#endif
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