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host_shaders: Modify shader cmake integration to allow for larger shaders

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using a raw string to encapsulate the entire shader code limits us to shaders of size less than 2KB. This change overcomes this limitation.
This commit is contained in:
ameerj 2021-02-13 15:52:21 -05:00
parent 2985e5e94c
commit f6566338eb
4 changed files with 27 additions and 8 deletions
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8
src/video_core/renderer_opengl/util_shaders.cpp
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@ -14,6 +14,7 @@
#include "common/assert.h"
#include "common/common_types.h"
#include "common/div_ceil.h"
#include "video_core/host_shaders/astc_decoder_comp.h"
#include "video_core/host_shaders/block_linear_unswizzle_2d_comp.h"
#include "video_core/host_shaders/block_linear_unswizzle_3d_comp.h"
#include "video_core/host_shaders/opengl_copy_bc4_comp.h"
@ -62,17 +63,12 @@ size_t NumPixelsInCopy(const VideoCommon::ImageCopy& copy) {
} // Anonymous namespace
UtilShaders::UtilShaders(ProgramManager& program_manager_)
: program_manager{program_manager_},
: program_manager{program_manager_}, astc_decoder_program(MakeProgram(ASTC_DECODER_COMP)),
block_linear_unswizzle_2d_program(MakeProgram(BLOCK_LINEAR_UNSWIZZLE_2D_COMP)),
block_linear_unswizzle_3d_program(MakeProgram(BLOCK_LINEAR_UNSWIZZLE_3D_COMP)),
pitch_unswizzle_program(MakeProgram(PITCH_UNSWIZZLE_COMP)),
copy_bgra_program(MakeProgram(OPENGL_COPY_BGRA_COMP)),
copy_bc4_program(MakeProgram(OPENGL_COPY_BC4_COMP)) {
// TODO: Load shader string as a header
std::string astc_path = "astc_decoder.comp";
std::ifstream t(astc_path);
std::string str((std::istreambuf_iterator<char>(t)), std::istreambuf_iterator<char>());
astc_decoder_program = MakeProgram(str);
MakeBuffers();
}