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author | liamwhite <liamwhite@users.noreply.github.com> | 2023-01-19 20:58:53 +0100 |
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committer | GitHub <noreply@github.com> | 2023-01-19 20:58:53 +0100 |
commit | 475370c8f89002e3b508eb152b981a5b89049d68 (patch) | |
tree | 79a145e24f2bf5ab5baca6824cae6cd525a8d170 /src/video_core/renderer_opengl/blit_image.cpp | |
parent | Merge pull request #9623 from liamwhite/wp-oops (diff) | |
parent | Address feedback (diff) | |
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Diffstat (limited to 'src/video_core/renderer_opengl/blit_image.cpp')
-rw-r--r-- | src/video_core/renderer_opengl/blit_image.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/blit_image.cpp b/src/video_core/renderer_opengl/blit_image.cpp new file mode 100644 index 000000000..9a560a73b --- /dev/null +++ b/src/video_core/renderer_opengl/blit_image.cpp @@ -0,0 +1,59 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <algorithm> + +#include "video_core/host_shaders/blit_color_float_frag.h" +#include "video_core/host_shaders/full_screen_triangle_vert.h" +#include "video_core/renderer_opengl/blit_image.h" +#include "video_core/renderer_opengl/gl_shader_manager.h" +#include "video_core/renderer_opengl/gl_shader_util.h" + +namespace OpenGL { + +BlitImageHelper::BlitImageHelper(ProgramManager& program_manager_) + : program_manager(program_manager_), + full_screen_vert(CreateProgram(HostShaders::FULL_SCREEN_TRIANGLE_VERT, GL_VERTEX_SHADER)), + blit_color_to_color_frag( + CreateProgram(HostShaders::BLIT_COLOR_FLOAT_FRAG, GL_FRAGMENT_SHADER)) {} + +BlitImageHelper::~BlitImageHelper() = default; + +void BlitImageHelper::BlitColor(GLuint dst_framebuffer, GLuint src_image_view, GLuint src_sampler, + const Region2D& dst_region, const Region2D& src_region, + const Extent3D& src_size) { + glEnable(GL_CULL_FACE); + glDisable(GL_COLOR_LOGIC_OP); + glDisable(GL_DEPTH_TEST); + glDisable(GL_STENCIL_TEST); + glDisable(GL_POLYGON_OFFSET_FILL); + glDisable(GL_RASTERIZER_DISCARD); + glDisable(GL_ALPHA_TEST); + glDisablei(GL_BLEND, 0); + glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); + glCullFace(GL_BACK); + glFrontFace(GL_CW); + glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); + glDepthRangeIndexed(0, 0.0, 0.0); + + program_manager.BindPresentPrograms(full_screen_vert.handle, blit_color_to_color_frag.handle); + glProgramUniform2f(full_screen_vert.handle, 0, + static_cast<float>(src_region.end.x - src_region.start.x) / + static_cast<float>(src_size.width), + static_cast<float>(src_region.end.y - src_region.start.y) / + static_cast<float>(src_size.height)); + glProgramUniform2f(full_screen_vert.handle, 1, + static_cast<float>(src_region.start.x) / static_cast<float>(src_size.width), + static_cast<float>(src_region.start.y) / + static_cast<float>(src_size.height)); + glViewport(std::min(dst_region.start.x, dst_region.end.x), + std::min(dst_region.start.y, dst_region.end.y), + std::abs(dst_region.end.x - dst_region.start.x), + std::abs(dst_region.end.y - dst_region.start.y)); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, dst_framebuffer); + glBindSampler(0, src_sampler); + glBindTextureUnit(0, src_image_view); + glClear(GL_COLOR_BUFFER_BIT); + glDrawArrays(GL_TRIANGLES, 0, 3); +} +} // namespace OpenGL |