static void evergreenTranslateAttrib(struct gl_context *ctx, GLuint unLoc, int count, const struct gl_client_array *input)
{
context_t *context = EVERGREEN_CONTEXT(ctx);
StreamDesc * pStreamDesc = &(context->stream_desc[context->nNumActiveAos]);
GLuint stride;
stride = (input->StrideB == 0) ? evergreen_getTypeSize(input->Type) * input->Size
: input->StrideB;
if (input->Type == GL_DOUBLE || input->Type == GL_UNSIGNED_INT || input->Type == GL_INT
#if MESA_BIG_ENDIAN
|| evergreen_getTypeSize(input->Type) != 4
#endif
)
{
pStreamDesc->type = GL_FLOAT;
if (input->StrideB == 0)
{
pStreamDesc->stride = 0;
}
else
{
pStreamDesc->stride = sizeof(GLfloat) * input->Size;
}
pStreamDesc->dwords = input->Size;
pStreamDesc->is_named_bo = GL_FALSE;
}
else
{
pStreamDesc->type = input->Type;
pStreamDesc->dwords = (evergreen_getTypeSize(input->Type) * input->Size + 3)/ 4;
if (!input->BufferObj->Name)
{
if (input->StrideB == 0)
{
pStreamDesc->stride = 0;
}
else
{
pStreamDesc->stride = (evergreen_getTypeSize(pStreamDesc->type) * input->Size + 3) & ~3;
}
pStreamDesc->is_named_bo = GL_FALSE;
}
}
pStreamDesc->size = input->Size;
pStreamDesc->dst_loc = context->nNumActiveAos;
pStreamDesc->element = unLoc;
pStreamDesc->format = input->Format;
switch (pStreamDesc->type)
{ //GetSurfaceFormat
case GL_FLOAT:
pStreamDesc->_signed = 0;
pStreamDesc->normalize = GL_FALSE;
break;
case GL_SHORT:
pStreamDesc->_signed = 1;
pStreamDesc->normalize = input->Normalized;
break;
case GL_BYTE:
pStreamDesc->_signed = 1;
pStreamDesc->normalize = input->Normalized;
break;
case GL_UNSIGNED_SHORT:
pStreamDesc->_signed = 0;
pStreamDesc->normalize = input->Normalized;
break;
case GL_UNSIGNED_BYTE:
pStreamDesc->_signed = 0;
pStreamDesc->normalize = input->Normalized;
break;
default:
case GL_INT:
case GL_UNSIGNED_INT:
case GL_DOUBLE:
assert(0);
break;
}
context->nNumActiveAos++;
}
/**
* Convert attribute data type to float
* If the attribute uses named buffer object replace the bo with newly allocated bo
*/
static void evergreenConvertAttrib(GLcontext *ctx, int count,
const struct gl_client_array *input,
struct StreamDesc *attr)
{
context_t *context = R700_CONTEXT(ctx);
const GLvoid *src_ptr;
GLboolean mapped_named_bo = GL_FALSE;
GLfloat *dst_ptr;
GLuint stride;
stride = (input->StrideB == 0) ? evergreen_getTypeSize(input->Type) * input->Size : input->StrideB;
/* Convert value for first element only */
if (input->StrideB == 0)
{
count = 1;
}
if (input->BufferObj->Name)
{
if (!input->BufferObj->Pointer)
{
ctx->Driver.MapBuffer(ctx, GL_ARRAY_BUFFER, GL_READ_ONLY_ARB, input->BufferObj);
mapped_named_bo = GL_TRUE;
}
src_ptr = ADD_POINTERS(input->BufferObj->Pointer, input->Ptr);
}
else
{
src_ptr = input->Ptr;
}
radeonAllocDmaRegion(&context->radeon, &attr->bo, &attr->bo_offset,
sizeof(GLfloat) * input->Size * count, 32);
radeon_bo_map(attr->bo, 1);
dst_ptr = (GLfloat *)ADD_POINTERS(attr->bo->ptr, attr->bo_offset);
assert(src_ptr != NULL);
switch (input->Type)
{
case GL_DOUBLE:
CONVERT(GLdouble, (GLfloat));
break;
case GL_UNSIGNED_INT:
CONVERT(GLuint, UINT_TO_FLOAT);
break;
case GL_INT:
CONVERT(GLint, INT_TO_FLOAT);
break;
case GL_UNSIGNED_SHORT:
CONVERT(GLushort, USHORT_TO_FLOAT);
break;
case GL_SHORT:
CONVERT(GLshort, SHORT_TO_FLOAT);
break;
case GL_UNSIGNED_BYTE:
assert(input->Format != GL_BGRA);
CONVERT(GLubyte, UBYTE_TO_FLOAT);
break;
case GL_BYTE:
CONVERT(GLbyte, BYTE_TO_FLOAT);
break;
default:
assert(0);
break;
}
radeon_bo_unmap(attr->bo);
if (mapped_named_bo)
{
ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER, input->BufferObj);
}
}
