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#include "util/u_memory.h"
#include "pipe/p_state.h"
#include "translate.h"
#define DRAW_DBG 0
typedef void (*fetch_func)(const void *ptr, float *attrib);
typedef void (*emit_func)(const float *attrib, void *ptr);
struct translate_generic {
struct translate translate;
struct {
enum translate_element_type type;
fetch_func fetch;
unsigned buffer;
unsigned input_offset;
unsigned instance_divisor;
emit_func emit;
unsigned output_offset;
char *input_ptr;
unsigned input_stride;
} attrib[PIPE_MAX_ATTRIBS];
unsigned nr_attrib;
};
static struct translate_generic *translate_generic( struct translate *translate )
{
return (struct translate_generic *)translate;
}
/**
* Fetch a float[4] vertex attribute from memory, doing format/type
* conversion as needed.
*
* This is probably needed/dupliocated elsewhere, eg format
* conversion, texture sampling etc.
*/
#define ATTRIB( NAME, SZ, TYPE, FROM, TO ) \
static void \
fetch_##NAME(const void *ptr, float *attrib) \
{ \
const float defaults[4] = { 0.0f,0.0f,0.0f,1.0f }; \
unsigned i; \
\
for (i = 0; i < SZ; i++) { \
attrib[i] = FROM(i); \
} \
\
for (; i < 4; i++) { \
attrib[i] = defaults[i]; \
} \
} \
\
static void \
emit_##NAME(const float *attrib, void *ptr) \
{ \
unsigned i; \
TYPE *out = (TYPE *)ptr; \
\
for (i = 0; i < SZ; i++) { \
out[i] = TO(attrib[i]); \
} \
}
{
return conv = instr(builder, bc, "");
}
static INLINE LLVMValueRef
from_64_float(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef bc = LLVMBuildBitCast(builder, val,
LLVMDoubleType() , "");
LLVMValueRef l = LLVMBuildLoad(builder, bc, "");
return LLVMBuildFPTrunc(builder, l, LLVMFloatType(), "");
}
static INLINE LLVMValueRef
from_32_float(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef bc = LLVMBuildBitCast(builder, val,
LLVMFloatType() , "");
return LLVMBuildLoad(builder, bc, "");
}
static INLINE LLVMValueRef
from_8_uscaled(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef l = LLVMBuildLoad(builder, val, "");
return LLVMBuildUIToFP(builder, l, LLVMFloatType(), "");
}
static INLINE LLVMValueRef
from_16_uscaled(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef bc = LLVMBuildBitCast(builder, val,
LLVMIntType(16) , "");
LLVMValueRef l = LLVMBuildLoad(builder, bc, "");
return LLVMBuildUIToFP(builder, l, LLVMFloatType(), "");
}
static INLINE LLVMValueRef
from_32_uscaled(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef bc = LLVMBuildBitCast(builder, val,
LLVMIntType(32) , "");
LLVMValueRef l = LLVMBuildLoad(builder, bc, "");
return LLVMBuildUIToFP(builder, l, LLVMFloatType(), "");
}
static INLINE LLVMValueRef
from_8_sscaled(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef l = LLVMBuildLoad(builder, val, "");
return LLVMBuildSIToFP(builder, l, LLVMFloatType(), "");
}
static INLINE LLVMValueRef
from_16_sscaled(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef bc = LLVMBuildBitCast(builder, val,
LLVMIntType(16) , "");
LLVMValueRef l = LLVMBuildLoad(builder, bc, "");
return LLVMBuildSIToFP(builder, l, LLVMFloatType(), "");
}
static INLINE LLVMValueRef
from_32_sscaled(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef bc = LLVMBuildBitCast(builder, val,
LLVMIntType(32) , "");
LLVMValueRef l = LLVMBuildLoad(builder, bc, "");
return LLVMBuildSIToFP(builder, l, LLVMFloatType(), "");
}
static INLINE LLVMValueRef
from_8_unorm(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef l = LLVMBuildLoad(builder, val, "");
LLVMValueRef uscaled = LLVMBuildUIToFP(builder, l, LLVMFloatType(), "");
return LLVMBuildFDiv(builder, uscaled,
LLVMConstReal(builder, 255.));
}
static INLINE LLVMValueRef
from_16_unorm(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef bc = LLVMBuildBitCast(builder, val,
LLVMIntType(16) , "");
LLVMValueRef l = LLVMBuildLoad(builder, bc, "");
LLVMValueRef uscaled = LLVMBuildUIToFP(builder, l, LLVMFloatType(), "");
return LLVMBuildFDiv(builder, uscaled,
LLVMConstReal(builder, 65535.));
}
static INLINE LLVMValueRef
from_32_unorm(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef bc = LLVMBuildBitCast(builder, val,
LLVMIntType(32) , "");
LLVMValueRef l = LLVMBuildLoad(builder, bc, "");
LLVMValueRef uscaled = LLVMBuildUIToFP(builder, l, LLVMFloatType(), "");
return LLVMBuildFDiv(builder, uscaled,
LLVMConstReal(builder, 4294967295.));
}
static INLINE LLVMValueRef
from_8_snorm(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef l = LLVMBuildLoad(builder, val, "");
LLVMValueRef uscaled = LLVMBuildSIToFP(builder, l, LLVMFloatType(), "");
return LLVMBuildFDiv(builder, uscaled,
LLVMConstReal(builder, 127.0));
}
static INLINE LLVMValueRef
from_16_snorm(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef bc = LLVMBuildBitCast(builder, val,
LLVMIntType(16) , "");
LLVMValueRef l = LLVMBuildLoad(builder, bc, "");
LLVMValueRef uscaled = LLVMBuildSIToFP(builder, l, LLVMFloatType(), "");
return LLVMBuildFDiv(builder, uscaled,
LLVMConstReal(builder, 32767.0f));
}
static INLINE LLVMValueRef
from_32_snorm(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef bc = LLVMBuildBitCast(builder, val,
LLVMIntType(32) , "");
LLVMValueRef l = LLVMBuildLoad(builder, bc, "");
LLVMValueRef uscaled = LLVMBuildSIToFP(builder, l, LLVMFloatType(), "");
return LLVMBuildFDiv(builder, uscaled,
LLVMConstReal(builder, 2147483647.0));
}
static INLINE LLVMValueRef
from_32_fixed(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef bc = LLVMBuildBitCast(builder, val,
LLVMIntType(32) , "");
LLVMValueRef l = LLVMBuildLoad(builder, bc, "");
LLVMValueRef uscaled = LLVMBuildSIToFP(builder, l, LLVMFloatType(), "");
return LLVMBuildFDiv(builder, uscaled,
LLVMConstReal(builder, 65536.0));
}
static INLINE LLVMValueRef
to_64_float(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
return LLVMBuildFPExt(builder, l, LLVMDoubleType(), "");
}
static INLINE LLVMValueRef
to_32_float(LLVMBuilderRef builder, LLVMValueRef fp)
{
return LLVMBuildLoad(builder, fp, "");
}
atic INLINE LLVMValueRef
to_8_uscaled(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
return LLVMBuildFPToUI(builder, l, LLVMIntType(8), "");
}
static INLINE LLVMValueRef
to_16_uscaled(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
return LLVMBuildFPToUI(builder, l, LLVMIntType(16), "");
}
static INLINE LLVMValueRef
to_32_uscaled(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
return LLVMBuildFPToUI(builder, l, LLVMIntType(32), "");
}
static INLINE LLVMValueRef
to_8_sscaled(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
return LLVMBuildFPToSI(builder, l, LLVMIntType(8), "");
}
static INLINE LLVMValueRef
to_16_sscaled(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
return LLVMBuildFPToSI(builder, l, LLVMIntType(16), "");
}
static INLINE LLVMValueRef
to_32_sscaled(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
return LLVMBuildFPToSI(builder, l, LLVMIntType(32), "");
}
static INLINE LLVMValueRef
to_8_unorm(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
LLVMValueRef uscaled = LLVMBuildFPToUI(builder, l, LLVMIntType(8), "");
return LLVMBuildFMul(builder, uscaled,
LLVMConstReal(builder, 255.));
}
static INLINE LLVMValueRef
to_16_unorm(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
LLVMValueRef uscaled = LLVMBuildFPToUI(builder, l, LLVMIntType(32), "");
return LLVMBuildFMul(builder, uscaled,
LLVMConstReal(builder, 65535.));
}
static INLINE LLVMValueRef
to_32_unorm(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
LLVMValueRef uscaled = LLVMBuildFPToUI(builder, l, LLVMIntType(32), "");
return LLVMBuildFMul(builder, uscaled,
LLVMConstReal(builder, 4294967295.));
}
static INLINE LLVMValueRef
to_8_snorm(LLVMBuilderRef builder, LLVMValueRef val)
{
LLVMValueRef l = LLVMBuildLoad(builder, val, "");
LLVMValueRef uscaled = LLVMBuildFPToSI(builder, l, LLVMIntType(8), "");
return LLVMBuildFMUL(builder, uscaled,
LLVMConstReal(builder, 127.0));
}
static INLINE LLVMValueRef
to_16_snorm(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
LLVMValueRef uscaled = LLVMBuildFPToSI(builder, l, LLVMIntType(16), "");
return LLVMBuildFMul(builder, uscaled,
LLVMConstReal(builder, 32767.0f));
}
static INLINE LLVMValueRef
to_32_snorm(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
LLVMValueRef uscaled = LLVMBuildFPToSI(builder, l, LLVMIntType(32), "");
return LLVMBuildFMUL(builder, uscaled,
LLVMConstReal(builder, 2147483647.0));
}
static INLINE LLVMValueRef
to_32_fixed(LLVMBuilderRef builder, LLVMValueRef fp)
{
LLVMValueRef l = LLVMBuildLoad(builder, fp, "");
LLVMValueRef uscaled = LLVMBuildFPToSI(builder, l, LLVMIntType(32), "");
return LLVMBuildFMul(builder, uscaled,
LLVMConstReal(builder, 65536.0));
}
static LLVMValueRef
fetch(LLVMValueRef ptr, int val_size, int nr_components,
LLVMValueRef res)
{
int i;
int offset = 0;
for (i = 0; i < nr_components; ++i) {
LLVMValueRef src_index = LLVMConstInt(LLVMInt32Type(), offset, 0);
LLVMValueRef dst_index = LLVMConstInt(LLVMInt32Type(), i, 0);
//getelementptr i8* ptr, i64 offset
LLVMValueRef src_tmp = LLVMBuildGEP(builder, ptr, &src_index, 1, "");
//getelementptr float* res, i64 i
LLVMValueRef res_tmp = LLVMBuildGEP(builder, res, &dst_index, 1, "");
//bitcast i8* src, to res_type*
//load res_type src
//convert res_type src to float
//store float src, float *dst src
offset += val_size;
}
}
static void
fetch_B8G8R8A8_UNORM(const void *ptr, float *attrib)
{
attrib[2] = FROM_8_UNORM(0);
attrib[1] = FROM_8_UNORM(1);
attrib[0] = FROM_8_UNORM(2);
attrib[3] = FROM_8_UNORM(3);
}
static void
emit_B8G8R8A8_UNORM( const float *attrib, void *ptr)
{
ubyte *out = (ubyte *)ptr;
out[2] = TO_8_UNORM(attrib[0]);
out[1] = TO_8_UNORM(attrib[1]);
out[0] = TO_8_UNORM(attrib[2]);
out[3] = TO_8_UNORM(attrib[3]);
}
static void
fetch_NULL( const void *ptr, float *attrib )
{
attrib[0] = 0;
attrib[1] = 0;
attrib[2] = 0;
attrib[3] = 1;
}
static void
emit_NULL( const float *attrib, void *ptr )
{
/* do nothing is the only sensible option */
}
typedef LLVMValueRef (*from_func)(LLVMBuilderRef, LLVMValueRef);
typedef LLVMValueRef (*to_func)(LLVMBuilderRef, LLVMValueRef);
struct draw_llvm_translate {
int format;
from_func from;
to_func to;
LLVMTypeRef type;
int num_components;
} translates[] =
{
{PIPE_FORMAT_R64_FLOAT, from_64_float, to_64_float, LLVMDoubleType(), 1},
{PIPE_FORMAT_R64G64_FLOAT, from_64_float, to_64_float, LLVMDoubleType(), 2},
{PIPE_FORMAT_R64G64B64_FLOAT, from_64_float, to_64_float, LLVMDoubleType(), 3},
{PIPE_FORMAT_R64G64B64A64_FLOAT, from_64_float, to_64_float, LLVMDoubleType(), 4},
{PIPE_FORMAT_R32_FLOAT, from_32_float, to_32_float, LLVMFloatType(), 1},
{PIPE_FORMAT_R32G32_FLOAT, from_32_float, to_32_float, LLVMFloatType(), 2},
{PIPE_FORMAT_R32G32B32_FLOAT, from_32_float, to_32_float, LLVMFloatType(), 3},
{PIPE_FORMAT_R32G32B32A32_FLOAT, from_32_float, to_32_float, LLVMFloatType(), 4},
{PIPE_FORMAT_R32_UNORM, from_32_unorm, to_32_unorm, LLVMIntType(32), 1},
{PIPE_FORMAT_R32G32_UNORM, from_32_unorm, to_32_unorm, LLVMIntType(32), 2},
{PIPE_FORMAT_R32G32B32_UNORM, from_32_unorm, to_32_unorm, LLVMIntType(32), 3},
{PIPE_FORMAT_R32G32B32A32_UNORM, from_32_unorm, to_32_unorm, LLVMIntType(32), 4},
{PIPE_FORMAT_R32_USCALED, from_32_uscaled, to_32_uscaled, LLVMIntType(32), 1},
{PIPE_FORMAT_R32G32_USCALED, from_32_uscaled, to_32_uscaled, LLVMIntType(32), 2},
{PIPE_FORMAT_R32G32B32_USCALED, from_32_uscaled, to_32_uscaled, LLVMIntType(32), 3},
{PIPE_FORMAT_R32G32B32A32_USCALED, from_32_uscaled, to_32_uscaled, LLVMIntType(32), 4},
{PIPE_FORMAT_R32_SNORM, from_32_snorm, to_32_snorm, LLVMIntType(32), 1},
{PIPE_FORMAT_R32G32_SNORM, from_32_snorm, to_32_snorm, LLVMIntType(32), 2},
{PIPE_FORMAT_R32G32B32_SNORM, from_32_snorm, to_32_snorm, LLVMIntType(32), 3},
{PIPE_FORMAT_R32G32B32A32_SNORM, from_32_snorm, to_32_snorm, LLVMIntType(32), 4},
{PIPE_FORMAT_R32_SSCALED, from_32_sscaled, to_32_sscaled, LLVMIntType(32), 1},
{PIPE_FORMAT_R32G32_SSCALED, from_32_sscaled, to_32_sscaled, LLVMIntType(32), 2},
{PIPE_FORMAT_R32G32B32_SSCALED, from_32_sscaled, to_32_sscaled, LLVMIntType(32), 3},
{PIPE_FORMAT_R32G32B32A32_SSCALED, from_32_sscaled, to_32_sscaled, LLVMIntType(32), 4},
{PIPE_FORMAT_R16_UNORM, from_16_unorm, to_16_unorm, LLVMIntType(16), 1},
{PIPE_FORMAT_R16G16_UNORM, from_16_unorm, to_16_unorm, LLVMIntType(16), 2},
{PIPE_FORMAT_R16G16B16_UNORM, from_16_unorm, to_16_unorm, LLVMIntType(16), 3},
{PIPE_FORMAT_R16G16B16A16_UNORM, from_16_unorm, to_16_unorm, LLVMIntType(16), 4},
{PIPE_FORMAT_R16_USCALED, from_16_uscaled, to_16_uscaled, LLVMIntType(16), 1},
{PIPE_FORMAT_R16G16_USCALED, from_16_uscaled, to_16_uscaled, LLVMIntType(16), 2},
{PIPE_FORMAT_R16G16B16_USCALED, from_16_uscaled, to_16_uscaled, LLVMIntType(16), 3},
{PIPE_FORMAT_R16G16B16A16_USCALED, from_16_uscaled, to_16_uscaled, LLVMIntType(16), 4},
{PIPE_FORMAT_R16_SNORM, from_16_snorm, to_16_snorm, LLVMIntType(16), 1},
{PIPE_FORMAT_R16G16_SNORM, from_16_snorm, to_16_snorm, LLVMIntType(16), 2},
{PIPE_FORMAT_R16G16B16_SNORM, from_16_snorm, to_16_snorm, LLVMIntType(16), 3},
{PIPE_FORMAT_R16G16B16A16_SNORM, from_16_snorm, to_16_snorm, LLVMIntType(16), 4},
{PIPE_FORMAT_R16_SSCALED, from_16_sscaled, to_16_sscaled, LLVMIntType(16), 1},
{PIPE_FORMAT_R16G16_SSCALED, from_16_sscaled, to_16_sscaled, LLVMIntType(16), 2},
{PIPE_FORMAT_R16G16B16_SSCALED, from_16_sscaled, to_16_sscaled, LLVMIntType(16), 3},
{PIPE_FORMAT_R16G16B16A16_SSCALED, from_16_sscaled, to_16_sscaled, LLVMIntType(16), 4},
{PIPE_FORMAT_R8_UNORM, from_8_unorm, to_8_unorm, LLVMIntType(8), 1},
{PIPE_FORMAT_R8G8_UNORM, from_8_unorm, to_8_unorm, LLVMIntType(8), 2},
{PIPE_FORMAT_R8G8B8_UNORM, from_8_unorm, to_8_unorm, LLVMIntType(8), 3},
{PIPE_FORMAT_R8G8B8A8_UNORM, from_8_unorm, to_8_unorm, LLVMIntType(8), 4},
{PIPE_FORMAT_R8_USCALED, from_8_uscaled, to_8_uscaled, LLVMIntType(8), 1},
{PIPE_FORMAT_R8G8_USCALED, from_8_uscaled, to_8_uscaled, LLVMIntType(8), 2},
{PIPE_FORMAT_R8G8B8_USCALED, from_8_uscaled, to_8_uscaled, LLVMIntType(8), 3},
{PIPE_FORMAT_R8G8B8A8_USCALED, from_8_uscaled, to_8_uscaled, LLVMIntType(8), 4},
{PIPE_FORMAT_R8_SNORM, from_8_snorm, to_8_snorm, LLVMIntType(8), 1},
{PIPE_FORMAT_R8G8_SNORM, from_8_snorm, to_8_snorm, LLVMIntType(8), 2},
{PIPE_FORMAT_R8G8B8_SNORM, from_8_snorm, to_8_snorm, LLVMIntType(8), 3},
{PIPE_FORMAT_R8G8B8A8_SNORM, from_8_snorm, to_8_snorm, LLVMIntType(8), 4},
{PIPE_FORMAT_R8_SSCALED, from_8_sscaled, to_8_sscaled, LLVMIntType(8), 1},
{PIPE_FORMAT_R8G8_SSCALED, from_8_sscaled, to_8_sscaled, LLVMIntType(8), 2},
{PIPE_FORMAT_R8G8B8_SSCALED, from_8_sscaled, to_8_sscaled, LLVMIntType(8), 3},
{PIPE_FORMAT_R8G8B8A8_SSCALED, from_8_sscaled, to_8_sscaled, LLVMIntType(8), 4},
{PIPE_FORMAT_R32_FIXED, from_32_fixed, to_32_fixed, LLVMIntType(32), 1},
{PIPE_FORMAT_R32G32_FIXED, from_32_fixed, to_32_fixed, LLVMIntType(32), 2},
{PIPE_FORMAT_R32G32B32_FIXED, from_32_fixed, to_32_fixed, LLVMIntType(32), 3},
{PIPE_FORMAT_R32G32B32A32_FIXED, from_32_fixed, to_32_fixed, LLVMIntType(32), 4},
{PIPE_FORMAT_A8R8G8B8_UNORM, from_8_unorm, to_8_unorm, LLVMIntType(8), 4},
{PIPE_FORMAT_B8G8R8A8_UNORM, from_8_unorm, to_8_unorm, LLVMIntType(), 4},
};
/**
* Fetch vertex attributes for 'count' vertices.
*/
static void PIPE_CDECL generic_run_elts( struct translate *translate,
const unsigned *elts,
unsigned count,
unsigned instance_id,
void *output_buffer )
{
struct translate_generic *tg = translate_generic(translate);
char *vert = output_buffer;
unsigned nr_attrs = tg->nr_attrib;
unsigned attr;
unsigned i;
/* loop over vertex attributes (vertex shader inputs)
*/
for (i = 0; i < count; i++) {
unsigned elt = *elts++;
for (attr = 0; attr < nr_attrs; attr++) {
float data[4];
const char *src;
char *dst = (vert +
tg->attrib[attr].output_offset);
if (tg->attrib[attr].instance_divisor) {
src = tg->attrib[attr].input_ptr +
tg->attrib[attr].input_stride *
(instance_id / tg->attrib[attr].instance_divisor);
} else {
src = tg->attrib[attr].input_ptr +
tg->attrib[attr].input_stride * elt;
}
tg->attrib[attr].fetch( src, data );
if (0) debug_printf("vert %d/%d attr %d: %f %f %f %f\n",
i, elt, attr, data[0], data[1], data[2], data[3]);
tg->attrib[attr].emit( data, dst );
}
vert += tg->translate.key.output_stride;
}
}
static void PIPE_CDECL generic_run( struct translate *translate,
unsigned start,
unsigned count,
unsigned instance_id,
void *output_buffer )
{
struct translate_generic *tg = translate_generic(translate);
char *vert = output_buffer;
unsigned nr_attrs = tg->nr_attrib;
unsigned attr;
unsigned i;
/* loop over vertex attributes (vertex shader inputs)
*/
for (i = 0; i < count; i++) {
unsigned elt = start + i;
for (attr = 0; attr < nr_attrs; attr++) {
float data[4];
char *dst = (vert +
tg->attrib[attr].output_offset);
if (tg->attrib[attr].type == TRANSLATE_ELEMENT_NORMAL) {
const char *src;
if (tg->attrib[attr].instance_divisor) {
src = tg->attrib[attr].input_ptr +
tg->attrib[attr].input_stride *
(instance_id / tg->attrib[attr].instance_divisor);
} else {
src = tg->attrib[attr].input_ptr +
tg->attrib[attr].input_stride * elt;
}
tg->attrib[attr].fetch( src, data );
} else {
data[0] = (float)instance_id;
}
if (0) debug_printf("vert %d attr %d: %f %f %f %f\n",
i, attr, data[0], data[1], data[2], data[3]);
tg->attrib[attr].emit( data, dst );
}
vert += tg->translate.key.output_stride;
}
}
static void generic_set_buffer( struct translate *translate,
unsigned buf,
const void *ptr,
unsigned stride )
{
struct translate_generic *tg = translate_generic(translate);
unsigned i;
for (i = 0; i < tg->nr_attrib; i++) {
if (tg->attrib[i].buffer == buf) {
tg->attrib[i].input_ptr = ((char *)ptr +
tg->attrib[i].input_offset);
tg->attrib[i].input_stride = stride;
}
}
}
static void generic_release( struct translate *translate )
{
/* Refcount?
*/
FREE(translate);
}
struct translate *translate_generic_create( const struct translate_key *key )
{
struct translate_generic *tg = CALLOC_STRUCT(translate_generic);
unsigned i;
if (tg == NULL)
return NULL;
tg->translate.key = *key;
tg->translate.release = generic_release;
tg->translate.set_buffer = generic_set_buffer;
tg->translate.run_elts = generic_run_elts;
tg->translate.run = generic_run;
for (i = 0; i < key->nr_elements; i++) {
tg->attrib[i].type = key->element[i].type;
tg->attrib[i].fetch = get_fetch_func(key->element[i].input_format);
tg->attrib[i].buffer = key->element[i].input_buffer;
tg->attrib[i].input_offset = key->element[i].input_offset;
tg->attrib[i].instance_divisor = key->element[i].instance_divisor;
tg->attrib[i].emit = get_emit_func(key->element[i].output_format);
tg->attrib[i].output_offset = key->element[i].output_offset;
}
tg->nr_attrib = key->nr_elements;
return &tg->translate;
}
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