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#include <bgfx/bgfx.h>
#include "blendreader.h"
const blend_reader::string_to_enum blend_reader::EQUATION_NAMES[blend_reader::EQUATION_COUNT] = {
{ "add", BGFX_STATE_BLEND_EQUATION_ADD },
{ "sub", BGFX_STATE_BLEND_EQUATION_SUB },
{ "subtract", BGFX_STATE_BLEND_EQUATION_SUB },
{ "revSub", BGFX_STATE_BLEND_EQUATION_REVSUB },
{ "revSubtract", BGFX_STATE_BLEND_EQUATION_REVSUB },
{ "min", BGFX_STATE_BLEND_EQUATION_MIN },
{ "max", BGFX_STATE_BLEND_EQUATION_MAX }
};
const blend_reader::string_to_enum blend_reader::FUNCTION_NAMES[blend_reader::FUNCTION_COUNT] = {
{ "0", BGFX_STATE_BLEND_ZERO },
{ "zero", BGFX_STATE_BLEND_ZERO },
{ "1", BGFX_STATE_BLEND_ONE },
{ "one", BGFX_STATE_BLEND_ONE },
{ "srcColor", BGFX_STATE_BLEND_SRC_COLOR },
{ "1-srcColor", BGFX_STATE_BLEND_INV_SRC_COLOR },
{ "invSrcColor", BGFX_STATE_BLEND_INV_SRC_COLOR },
{ "dstColor", BGFX_STATE_BLEND_DST_COLOR },
{ "1-dstColor", BGFX_STATE_BLEND_INV_DST_COLOR },
{ "invDstColor", BGFX_STATE_BLEND_INV_DST_COLOR },
{ "srcAlpha", BGFX_STATE_BLEND_SRC_ALPHA },
{ "1-srcAlpha", BGFX_STATE_BLEND_INV_SRC_ALPHA },
{ "invSrcAlpha", BGFX_STATE_BLEND_INV_SRC_ALPHA },
{ "dstAlpha", BGFX_STATE_BLEND_DST_ALPHA },
{ "1-dstAlpha", BGFX_STATE_BLEND_INV_DST_ALPHA },
{ "invDstAlpha", BGFX_STATE_BLEND_INV_DST_ALPHA }
};
uint64_t blend_reader::read_from_value(const Value& value)
{
uint64_t equation = get_enum_from_value(value, "equation", BGFX_STATE_BLEND_EQUATION_ADD, EQUATION_NAMES, EQUATION_COUNT);
uint64_t srccolor = get_enum_from_value(value, "srcColor", BGFX_STATE_BLEND_ONE, FUNCTION_NAMES, FUNCTION_COUNT);
uint64_t dstcolor = get_enum_from_value(value, "dstColor", BGFX_STATE_BLEND_ZERO, FUNCTION_NAMES, FUNCTION_COUNT);
uint64_t srcalpha = get_enum_from_value(value, "srcAlpha", BGFX_STATE_BLEND_ONE, FUNCTION_NAMES, FUNCTION_COUNT);
uint64_t dstalpha = get_enum_from_value(value, "dstAlpha", BGFX_STATE_BLEND_ZERO, FUNCTION_NAMES, FUNCTION_COUNT);
return BGFX_STATE_BLEND_EQUATION(equation) | BGFX_STATE_BLEND_FUNC_SEPARATE(srccolor, dstcolor, srcalpha, dstalpha);
}
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