mirror of
https://github.com/libretro/citra.git
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video_core: Take factors into account with min/max blending functions (#6925)
* sw_framebuffer: Take factors into account for min/max blending * renderer_gl: Take factors into account for min/max blending * Address review comments * gl_shader_gen: Fix frambuffer fetch on qcom and mali * renderer_opengl: Add fallback path for mesa * gl_shader_gen: Avoid emitting blend emulation if minmax_factor is present
This commit is contained in:
GPUCode
GitHub
parent
93c7c6a995
commit
1159e4d928
41
externals/glad/include/glad/glad.h
vendored
41
externals/glad/include/glad/glad.h
vendored
@ -1,28 +1,32 @@
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/*
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OpenGL, OpenGL ES loader generated by glad 0.1.36 on Sat Apr 1 20:34:42 2023.
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OpenGL, OpenGL ES loader generated by glad 0.1.34 on Sat Aug 26 18:38:43 2023.
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Language/Generator: C/C++
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Specification: gl
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APIs: gl=4.3, gles2=3.2
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Profile: core
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Extensions:
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GL_AMD_blend_minmax_factor,
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GL_ARB_buffer_storage,
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GL_ARB_clear_texture,
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GL_ARB_get_texture_sub_image,
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GL_ARB_texture_compression_bptc,
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GL_ARM_shader_framebuffer_fetch,
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GL_EXT_buffer_storage,
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GL_EXT_clip_cull_distance,
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GL_EXT_texture_compression_s3tc
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GL_EXT_shader_framebuffer_fetch,
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GL_EXT_texture_compression_s3tc,
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GL_NV_blend_minmax_factor
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Loader: True
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Local files: False
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Omit khrplatform: False
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Reproducible: False
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Commandline:
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--profile="core" --api="gl=4.3,gles2=3.2" --generator="c" --spec="gl" --extensions="GL_ARB_buffer_storage,GL_ARB_clear_texture,GL_ARB_get_texture_sub_image,GL_ARB_texture_compression_bptc,GL_EXT_buffer_storage,GL_EXT_clip_cull_distance,GL_EXT_texture_compression_s3tc"
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--profile="core" --api="gl=4.3,gles2=3.2" --generator="c" --spec="gl" --extensions="GL_AMD_blend_minmax_factor,GL_ARB_buffer_storage,GL_ARB_clear_texture,GL_ARB_get_texture_sub_image,GL_ARB_texture_compression_bptc,GL_ARM_shader_framebuffer_fetch,GL_EXT_buffer_storage,GL_EXT_clip_cull_distance,GL_EXT_shader_framebuffer_fetch,GL_EXT_texture_compression_s3tc,GL_NV_blend_minmax_factor"
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Online:
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https://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D4.3&api=gles2%3D3.2&extensions=GL_ARB_buffer_storage&extensions=GL_ARB_clear_texture&extensions=GL_ARB_get_texture_sub_image&extensions=GL_ARB_texture_compression_bptc&extensions=GL_EXT_buffer_storage&extensions=GL_EXT_clip_cull_distance&extensions=GL_EXT_texture_compression_s3tc
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https://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D4.3&api=gles2%3D3.2&extensions=GL_AMD_blend_minmax_factor&extensions=GL_ARB_buffer_storage&extensions=GL_ARB_clear_texture&extensions=GL_ARB_get_texture_sub_image&extensions=GL_ARB_texture_compression_bptc&extensions=GL_ARM_shader_framebuffer_fetch&extensions=GL_EXT_buffer_storage&extensions=GL_EXT_clip_cull_distance&extensions=GL_EXT_shader_framebuffer_fetch&extensions=GL_EXT_texture_compression_s3tc&extensions=GL_NV_blend_minmax_factor
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*/
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@ -3320,6 +3324,8 @@ typedef void (APIENTRYP PFNGLGETNUNIFORMUIVPROC)(GLuint program, GLint location,
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GLAPI PFNGLGETNUNIFORMUIVPROC glad_glGetnUniformuiv;
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#define glGetnUniformuiv glad_glGetnUniformuiv
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#endif
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#define GL_FACTOR_MIN_AMD 0x901C
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#define GL_FACTOR_MAX_AMD 0x901D
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#define GL_MAP_PERSISTENT_BIT 0x0040
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#define GL_MAP_COHERENT_BIT 0x0080
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#define GL_DYNAMIC_STORAGE_BIT 0x0100
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@ -3332,10 +3338,13 @@ GLAPI PFNGLGETNUNIFORMUIVPROC glad_glGetnUniformuiv;
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#define GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB 0x8E8D
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#define GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB 0x8E8E
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#define GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB 0x8E8F
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#define GL_FRAGMENT_SHADER_DISCARDS_SAMPLES_EXT 0x8A52
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#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
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#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
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#define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
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#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
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#define GL_FETCH_PER_SAMPLE_ARM 0x8F65
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#define GL_FRAGMENT_SHADER_FRAMEBUFFER_FETCH_MRT_ARM 0x8F66
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#define GL_MAP_PERSISTENT_BIT_EXT 0x0040
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#define GL_MAP_COHERENT_BIT_EXT 0x0080
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#define GL_DYNAMIC_STORAGE_BIT_EXT 0x0100
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@ -3354,6 +3363,10 @@ GLAPI PFNGLGETNUNIFORMUIVPROC glad_glGetnUniformuiv;
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#define GL_CLIP_DISTANCE5_EXT 0x3005
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#define GL_CLIP_DISTANCE6_EXT 0x3006
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#define GL_CLIP_DISTANCE7_EXT 0x3007
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#ifndef GL_AMD_blend_minmax_factor
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#define GL_AMD_blend_minmax_factor 1
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GLAPI int GLAD_GL_AMD_blend_minmax_factor;
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#endif
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#ifndef GL_ARB_buffer_storage
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#define GL_ARB_buffer_storage 1
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GLAPI int GLAD_GL_ARB_buffer_storage;
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@ -3385,10 +3398,22 @@ GLAPI PFNGLGETCOMPRESSEDTEXTURESUBIMAGEPROC glad_glGetCompressedTextureSubImage;
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#define GL_ARB_texture_compression_bptc 1
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GLAPI int GLAD_GL_ARB_texture_compression_bptc;
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#endif
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#ifndef GL_EXT_shader_framebuffer_fetch
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#define GL_EXT_shader_framebuffer_fetch 1
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GLAPI int GLAD_GL_EXT_shader_framebuffer_fetch;
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#endif
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#ifndef GL_EXT_texture_compression_s3tc
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#define GL_EXT_texture_compression_s3tc 1
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GLAPI int GLAD_GL_EXT_texture_compression_s3tc;
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#endif
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#ifndef GL_NV_blend_minmax_factor
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#define GL_NV_blend_minmax_factor 1
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GLAPI int GLAD_GL_NV_blend_minmax_factor;
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#endif
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#ifndef GL_ARM_shader_framebuffer_fetch
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#define GL_ARM_shader_framebuffer_fetch 1
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GLAPI int GLAD_GL_ARM_shader_framebuffer_fetch;
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#endif
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#ifndef GL_EXT_buffer_storage
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#define GL_EXT_buffer_storage 1
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GLAPI int GLAD_GL_EXT_buffer_storage;
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@ -3400,10 +3425,18 @@ GLAPI PFNGLBUFFERSTORAGEEXTPROC glad_glBufferStorageEXT;
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#define GL_EXT_clip_cull_distance 1
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GLAPI int GLAD_GL_EXT_clip_cull_distance;
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#endif
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#ifndef GL_EXT_shader_framebuffer_fetch
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#define GL_EXT_shader_framebuffer_fetch 1
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GLAPI int GLAD_GL_EXT_shader_framebuffer_fetch;
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#endif
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#ifndef GL_EXT_texture_compression_s3tc
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#define GL_EXT_texture_compression_s3tc 1
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GLAPI int GLAD_GL_EXT_texture_compression_s3tc;
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#endif
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#ifndef GL_NV_blend_minmax_factor
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#define GL_NV_blend_minmax_factor 1
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GLAPI int GLAD_GL_NV_blend_minmax_factor;
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#endif
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#ifdef __cplusplus
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}
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22
externals/glad/src/glad.c
vendored
22
externals/glad/src/glad.c
vendored
@ -1,28 +1,32 @@
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/*
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OpenGL, OpenGL ES loader generated by glad 0.1.36 on Sat Apr 1 20:34:42 2023.
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OpenGL, OpenGL ES loader generated by glad 0.1.34 on Sat Aug 26 18:38:43 2023.
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Language/Generator: C/C++
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Specification: gl
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APIs: gl=4.3, gles2=3.2
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Profile: core
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Extensions:
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GL_AMD_blend_minmax_factor,
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GL_ARB_buffer_storage,
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GL_ARB_clear_texture,
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GL_ARB_get_texture_sub_image,
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GL_ARB_texture_compression_bptc,
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GL_ARM_shader_framebuffer_fetch,
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GL_EXT_buffer_storage,
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GL_EXT_clip_cull_distance,
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GL_EXT_texture_compression_s3tc
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GL_EXT_shader_framebuffer_fetch,
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GL_EXT_texture_compression_s3tc,
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GL_NV_blend_minmax_factor
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Loader: True
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Local files: False
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Omit khrplatform: False
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Reproducible: False
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Commandline:
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--profile="core" --api="gl=4.3,gles2=3.2" --generator="c" --spec="gl" --extensions="GL_ARB_buffer_storage,GL_ARB_clear_texture,GL_ARB_get_texture_sub_image,GL_ARB_texture_compression_bptc,GL_EXT_buffer_storage,GL_EXT_clip_cull_distance,GL_EXT_texture_compression_s3tc"
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--profile="core" --api="gl=4.3,gles2=3.2" --generator="c" --spec="gl" --extensions="GL_AMD_blend_minmax_factor,GL_ARB_buffer_storage,GL_ARB_clear_texture,GL_ARB_get_texture_sub_image,GL_ARB_texture_compression_bptc,GL_ARM_shader_framebuffer_fetch,GL_EXT_buffer_storage,GL_EXT_clip_cull_distance,GL_EXT_shader_framebuffer_fetch,GL_EXT_texture_compression_s3tc,GL_NV_blend_minmax_factor"
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Online:
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https://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D4.3&api=gles2%3D3.2&extensions=GL_ARB_buffer_storage&extensions=GL_ARB_clear_texture&extensions=GL_ARB_get_texture_sub_image&extensions=GL_ARB_texture_compression_bptc&extensions=GL_EXT_buffer_storage&extensions=GL_EXT_clip_cull_distance&extensions=GL_EXT_texture_compression_s3tc
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https://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D4.3&api=gles2%3D3.2&extensions=GL_AMD_blend_minmax_factor&extensions=GL_ARB_buffer_storage&extensions=GL_ARB_clear_texture&extensions=GL_ARB_get_texture_sub_image&extensions=GL_ARB_texture_compression_bptc&extensions=GL_ARM_shader_framebuffer_fetch&extensions=GL_EXT_buffer_storage&extensions=GL_EXT_clip_cull_distance&extensions=GL_EXT_shader_framebuffer_fetch&extensions=GL_EXT_texture_compression_s3tc&extensions=GL_NV_blend_minmax_factor
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*/
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#include <stdio.h>
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@ -853,13 +857,17 @@ PFNGLVIEWPORTARRAYVPROC glad_glViewportArrayv = NULL;
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PFNGLVIEWPORTINDEXEDFPROC glad_glViewportIndexedf = NULL;
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PFNGLVIEWPORTINDEXEDFVPROC glad_glViewportIndexedfv = NULL;
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PFNGLWAITSYNCPROC glad_glWaitSync = NULL;
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int GLAD_GL_AMD_blend_minmax_factor = 0;
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int GLAD_GL_ARB_buffer_storage = 0;
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int GLAD_GL_ARB_clear_texture = 0;
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int GLAD_GL_ARB_get_texture_sub_image = 0;
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int GLAD_GL_ARB_texture_compression_bptc = 0;
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int GLAD_GL_ARM_shader_framebuffer_fetch = 0;
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int GLAD_GL_EXT_buffer_storage = 0;
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int GLAD_GL_EXT_clip_cull_distance = 0;
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int GLAD_GL_EXT_shader_framebuffer_fetch = 0;
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int GLAD_GL_EXT_texture_compression_s3tc = 0;
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int GLAD_GL_NV_blend_minmax_factor = 0;
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PFNGLBUFFERSTORAGEPROC glad_glBufferStorage = NULL;
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PFNGLCLEARTEXIMAGEPROC glad_glClearTexImage = NULL;
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PFNGLCLEARTEXSUBIMAGEPROC glad_glClearTexSubImage = NULL;
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@ -1498,11 +1506,14 @@ static void load_GL_ARB_get_texture_sub_image(GLADloadproc load) {
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}
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static int find_extensionsGL(void) {
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if (!get_exts()) return 0;
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GLAD_GL_AMD_blend_minmax_factor = has_ext("GL_AMD_blend_minmax_factor");
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GLAD_GL_ARB_buffer_storage = has_ext("GL_ARB_buffer_storage");
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GLAD_GL_ARB_clear_texture = has_ext("GL_ARB_clear_texture");
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GLAD_GL_ARB_get_texture_sub_image = has_ext("GL_ARB_get_texture_sub_image");
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GLAD_GL_ARB_texture_compression_bptc = has_ext("GL_ARB_texture_compression_bptc");
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GLAD_GL_EXT_shader_framebuffer_fetch = has_ext("GL_EXT_shader_framebuffer_fetch");
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GLAD_GL_EXT_texture_compression_s3tc = has_ext("GL_EXT_texture_compression_s3tc");
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GLAD_GL_NV_blend_minmax_factor = has_ext("GL_NV_blend_minmax_factor");
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free_exts();
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return 1;
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}
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@ -1971,9 +1982,12 @@ static void load_GL_EXT_buffer_storage(GLADloadproc load) {
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}
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static int find_extensionsGLES2(void) {
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if (!get_exts()) return 0;
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GLAD_GL_ARM_shader_framebuffer_fetch = has_ext("GL_ARM_shader_framebuffer_fetch");
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GLAD_GL_EXT_buffer_storage = has_ext("GL_EXT_buffer_storage");
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GLAD_GL_EXT_clip_cull_distance = has_ext("GL_EXT_clip_cull_distance");
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GLAD_GL_EXT_shader_framebuffer_fetch = has_ext("GL_EXT_shader_framebuffer_fetch");
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GLAD_GL_EXT_texture_compression_s3tc = has_ext("GL_EXT_texture_compression_s3tc");
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GLAD_GL_NV_blend_minmax_factor = has_ext("GL_NV_blend_minmax_factor");
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free_exts();
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return 1;
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}
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@ -170,6 +170,9 @@ void Driver::CheckExtensionSupport() {
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arb_texture_compression_bptc = GLAD_GL_ARB_texture_compression_bptc;
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ext_clip_cull_distance = GLAD_GL_EXT_clip_cull_distance;
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ext_texture_compression_s3tc = GLAD_GL_EXT_texture_compression_s3tc;
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shader_framebuffer_fetch =
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GLAD_GL_EXT_shader_framebuffer_fetch || GLAD_GL_ARM_shader_framebuffer_fetch;
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blend_minmax_factor = GLAD_GL_AMD_blend_minmax_factor || GLAD_GL_NV_blend_minmax_factor;
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is_suitable = GLAD_GL_VERSION_4_3 || GLAD_GL_ES_VERSION_3_1;
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}
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@ -105,6 +105,16 @@ public:
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return ext_clip_cull_distance;
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}
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/// Returns true if the implementation supports (EXT/ARM)_shader_framebuffer_fetch
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bool HasShaderFramebufferFetch() const {
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return shader_framebuffer_fetch;
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}
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/// Returns true if the implementation supports (NV/AMD)_blend_minmax_factor
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bool HasBlendMinMaxFactor() const {
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return blend_minmax_factor;
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}
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private:
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void ReportDriverInfo();
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void DeduceVendor();
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@ -125,6 +135,8 @@ private:
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bool ext_clip_cull_distance{};
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bool ext_texture_compression_s3tc{};
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bool arb_texture_compression_bptc{};
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bool shader_framebuffer_fetch{};
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bool blend_minmax_factor{};
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std::string_view gl_version{};
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std::string_view gpu_vendor{};
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@ -468,14 +468,16 @@ bool RasterizerOpenGL::Draw(bool accelerate, bool is_indexed) {
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GL_TEXTURE_UPDATE_BARRIER_BIT | GL_FRAMEBUFFER_BARRIER_BIT);
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}
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use_custom_normal = false;
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return succeeded;
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}
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void RasterizerOpenGL::SyncTextureUnits(const Framebuffer* framebuffer) {
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using TextureType = Pica::TexturingRegs::TextureConfig::TextureType;
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// Reset transient draw state
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state.color_buffer.texture_2d = 0;
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use_custom_normal = false;
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const auto pica_textures = regs.texturing.GetTextures();
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for (u32 texture_index = 0; texture_index < pica_textures.size(); ++texture_index) {
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const auto& texture = pica_textures[texture_index];
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@ -519,6 +521,10 @@ void RasterizerOpenGL::SyncTextureUnits(const Framebuffer* framebuffer) {
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state.texture_units[texture_index].texture_2d = surface.Handle();
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}
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}
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if (emulate_minmax_blend && !driver.HasShaderFramebufferFetch()) {
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state.color_buffer.texture_2d = framebuffer->Attachment(SurfaceType::Color);
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}
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}
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void RasterizerOpenGL::BindShadowCube(const Pica::TexturingRegs::FullTextureConfig& texture) {
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@ -760,17 +766,14 @@ void RasterizerOpenGL::SyncCullMode() {
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case Pica::RasterizerRegs::CullMode::KeepAll:
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state.cull.enabled = false;
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break;
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case Pica::RasterizerRegs::CullMode::KeepClockWise:
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state.cull.enabled = true;
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state.cull.front_face = GL_CW;
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break;
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case Pica::RasterizerRegs::CullMode::KeepCounterClockWise:
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state.cull.enabled = true;
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state.cull.front_face = GL_CCW;
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break;
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default:
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LOG_CRITICAL(Render_OpenGL, "Unknown cull mode {}",
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static_cast<u32>(regs.rasterizer.cull_mode.Value()));
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@ -784,10 +787,12 @@ void RasterizerOpenGL::SyncBlendEnabled() {
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}
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void RasterizerOpenGL::SyncBlendFuncs() {
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state.blend.rgb_equation =
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PicaToGL::BlendEquation(regs.framebuffer.output_merger.alpha_blending.blend_equation_rgb);
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state.blend.a_equation =
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PicaToGL::BlendEquation(regs.framebuffer.output_merger.alpha_blending.blend_equation_a);
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const bool has_minmax_factor = driver.HasBlendMinMaxFactor();
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state.blend.rgb_equation = PicaToGL::BlendEquation(
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regs.framebuffer.output_merger.alpha_blending.blend_equation_rgb, has_minmax_factor);
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state.blend.a_equation = PicaToGL::BlendEquation(
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regs.framebuffer.output_merger.alpha_blending.blend_equation_a, has_minmax_factor);
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state.blend.src_rgb_func =
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PicaToGL::BlendFunc(regs.framebuffer.output_merger.alpha_blending.factor_source_rgb);
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state.blend.dst_rgb_func =
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@ -796,14 +801,39 @@ void RasterizerOpenGL::SyncBlendFuncs() {
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PicaToGL::BlendFunc(regs.framebuffer.output_merger.alpha_blending.factor_source_a);
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state.blend.dst_a_func =
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PicaToGL::BlendFunc(regs.framebuffer.output_merger.alpha_blending.factor_dest_a);
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if (has_minmax_factor) {
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return;
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}
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// Blending with min/max equations is emulated in the fragment shader so
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// configure blending to not modify the incoming fragment color.
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emulate_minmax_blend = false;
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if (state.EmulateColorBlend()) {
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emulate_minmax_blend = true;
|
||||
state.blend.rgb_equation = GL_FUNC_ADD;
|
||||
state.blend.src_rgb_func = GL_ONE;
|
||||
state.blend.dst_rgb_func = GL_ZERO;
|
||||
}
|
||||
if (state.EmulateAlphaBlend()) {
|
||||
emulate_minmax_blend = true;
|
||||
state.blend.a_equation = GL_FUNC_ADD;
|
||||
state.blend.src_a_func = GL_ONE;
|
||||
state.blend.dst_a_func = GL_ZERO;
|
||||
}
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncBlendColor() {
|
||||
auto blend_color = PicaToGL::ColorRGBA8(regs.framebuffer.output_merger.blend_const.raw);
|
||||
const auto blend_color = PicaToGL::ColorRGBA8(regs.framebuffer.output_merger.blend_const.raw);
|
||||
state.blend.color.red = blend_color[0];
|
||||
state.blend.color.green = blend_color[1];
|
||||
state.blend.color.blue = blend_color[2];
|
||||
state.blend.color.alpha = blend_color[3];
|
||||
|
||||
if (blend_color != uniform_block_data.data.blend_color) {
|
||||
uniform_block_data.data.blend_color = blend_color;
|
||||
uniform_block_data.dirty = true;
|
||||
}
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncLogicOp() {
|
||||
|
||||
@ -155,6 +155,7 @@ private:
|
||||
OGLTexture texture_buffer_lut_rg;
|
||||
OGLTexture texture_buffer_lut_rgba;
|
||||
bool use_custom_normal{};
|
||||
bool emulate_minmax_blend{};
|
||||
};
|
||||
|
||||
} // namespace OpenGL
|
||||
|
||||
@ -9,6 +9,7 @@
|
||||
#include "core/core.h"
|
||||
#include "core/telemetry_session.h"
|
||||
#include "video_core/pica_state.h"
|
||||
#include "video_core/renderer_opengl/gl_driver.h"
|
||||
#include "video_core/renderer_opengl/gl_shader_decompiler.h"
|
||||
#include "video_core/renderer_opengl/gl_shader_gen.h"
|
||||
#include "video_core/renderer_opengl/gl_shader_util.h"
|
||||
@ -60,7 +61,8 @@ out gl_PerVertex {
|
||||
return out;
|
||||
}
|
||||
|
||||
PicaFSConfig PicaFSConfig::BuildFromRegs(const Pica::Regs& regs, bool use_normal) {
|
||||
PicaFSConfig PicaFSConfig::BuildFromRegs(const Pica::Regs& regs, bool has_blend_minmax_factor,
|
||||
bool use_normal) {
|
||||
PicaFSConfig res{};
|
||||
|
||||
auto& state = res.state;
|
||||
@ -229,6 +231,29 @@ PicaFSConfig PicaFSConfig::BuildFromRegs(const Pica::Regs& regs, bool use_normal
|
||||
state.proctex.lut_filter = regs.texturing.proctex_lut.filter;
|
||||
}
|
||||
|
||||
const auto alpha_eq = regs.framebuffer.output_merger.alpha_blending.blend_equation_a.Value();
|
||||
const auto rgb_eq = regs.framebuffer.output_merger.alpha_blending.blend_equation_rgb.Value();
|
||||
if (regs.framebuffer.output_merger.alphablend_enable && !has_blend_minmax_factor) {
|
||||
if (rgb_eq == Pica::FramebufferRegs::BlendEquation::Max ||
|
||||
rgb_eq == Pica::FramebufferRegs::BlendEquation::Min) {
|
||||
state.rgb_blend.emulate_blending = true;
|
||||
state.rgb_blend.eq = rgb_eq;
|
||||
state.rgb_blend.src_factor =
|
||||
regs.framebuffer.output_merger.alpha_blending.factor_source_rgb;
|
||||
state.rgb_blend.dst_factor =
|
||||
regs.framebuffer.output_merger.alpha_blending.factor_dest_rgb;
|
||||
}
|
||||
if (alpha_eq == Pica::FramebufferRegs::BlendEquation::Max ||
|
||||
alpha_eq == Pica::FramebufferRegs::BlendEquation::Min) {
|
||||
state.alpha_blend.emulate_blending = true;
|
||||
state.alpha_blend.eq = alpha_eq;
|
||||
state.alpha_blend.src_factor =
|
||||
regs.framebuffer.output_merger.alpha_blending.factor_source_a;
|
||||
state.alpha_blend.dst_factor =
|
||||
regs.framebuffer.output_merger.alpha_blending.factor_dest_a;
|
||||
}
|
||||
}
|
||||
|
||||
state.shadow_rendering = regs.framebuffer.output_merger.fragment_operation_mode ==
|
||||
FramebufferRegs::FragmentOperationMode::Shadow;
|
||||
if (state.shadow_rendering) {
|
||||
@ -1222,6 +1247,103 @@ float ProcTexNoiseCoef(vec2 x) {
|
||||
}
|
||||
}
|
||||
|
||||
static void WriteLogicOp(std::string& out, const PicaFSConfig& config) {
|
||||
if (!GLES || config.state.alphablend_enable) {
|
||||
return;
|
||||
}
|
||||
switch (config.state.logic_op) {
|
||||
case FramebufferRegs::LogicOp::Clear:
|
||||
out += "color = vec4(0);\n";
|
||||
break;
|
||||
case FramebufferRegs::LogicOp::Set:
|
||||
out += "color = vec4(1);\n";
|
||||
break;
|
||||
case FramebufferRegs::LogicOp::Copy:
|
||||
// Take the color output as-is
|
||||
break;
|
||||
case FramebufferRegs::LogicOp::CopyInverted:
|
||||
out += "color = ~color;\n";
|
||||
break;
|
||||
case FramebufferRegs::LogicOp::NoOp:
|
||||
// We need to discard the color, but not necessarily the depth. This is not possible
|
||||
// with fragment shader alone, so we emulate this behavior on GLES with glColorMask.
|
||||
break;
|
||||
default:
|
||||
LOG_CRITICAL(HW_GPU, "Unhandled logic_op {:x}", static_cast<int>(config.state.logic_op));
|
||||
UNIMPLEMENTED();
|
||||
}
|
||||
}
|
||||
|
||||
static void WriteBlending(std::string& out, const PicaFSConfig& config) {
|
||||
if (!config.state.rgb_blend.emulate_blending && !config.state.alpha_blend.emulate_blending)
|
||||
[[likely]] {
|
||||
return;
|
||||
}
|
||||
|
||||
using BlendFactor = Pica::FramebufferRegs::BlendFactor;
|
||||
out += R"(
|
||||
vec4 source_color = last_tex_env_out;
|
||||
#if defined(GL_EXT_shader_framebuffer_fetch)
|
||||
vec4 dest_color = color;
|
||||
#elif defined(GL_ARM_shader_framebuffer_fetch)
|
||||
vec4 dest_color = gl_LastFragColorARM;
|
||||
#else
|
||||
vec4 dest_color = texelFetch(colorBuffer, ivec2(gl_FragCoord.xy), 0);
|
||||
#endif
|
||||
)";
|
||||
const auto get_factor = [&](BlendFactor factor) -> std::string {
|
||||
switch (factor) {
|
||||
case BlendFactor::Zero:
|
||||
return "vec4(0.f)";
|
||||
case BlendFactor::One:
|
||||
return "vec4(1.f)";
|
||||
case BlendFactor::SourceColor:
|
||||
return "source_color";
|
||||
case BlendFactor::OneMinusSourceColor:
|
||||
return "vec4(1.f) - source_color";
|
||||
case BlendFactor::DestColor:
|
||||
return "dest_color";
|
||||
case BlendFactor::OneMinusDestColor:
|
||||
return "vec4(1.f) - dest_color";
|
||||
case BlendFactor::SourceAlpha:
|
||||
return "source_color.aaaa";
|
||||
case BlendFactor::OneMinusSourceAlpha:
|
||||
return "vec4(1.f) - source_color.aaaa";
|
||||
case BlendFactor::DestAlpha:
|
||||
return "dest_color.aaaa";
|
||||
case BlendFactor::OneMinusDestAlpha:
|
||||
return "vec4(1.f) - dest_color.aaaa";
|
||||
case BlendFactor::ConstantColor:
|
||||
return "blend_color";
|
||||
case BlendFactor::OneMinusConstantColor:
|
||||
return "vec4(1.f) - blend_color";
|
||||
case BlendFactor::ConstantAlpha:
|
||||
return "blend_color.aaaa";
|
||||
case BlendFactor::OneMinusConstantAlpha:
|
||||
return "vec4(1.f) - blend_color.aaaa";
|
||||
default:
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown blend factor {}", factor);
|
||||
return "vec4(1.f)";
|
||||
}
|
||||
};
|
||||
const auto get_func = [](Pica::FramebufferRegs::BlendEquation eq) {
|
||||
return eq == Pica::FramebufferRegs::BlendEquation::Min ? "min" : "max";
|
||||
};
|
||||
|
||||
if (config.state.rgb_blend.emulate_blending) {
|
||||
out += fmt::format(
|
||||
"last_tex_env_out.rgb = {}(source_color.rgb * ({}).rgb, dest_color.rgb * ({}).rgb);\n",
|
||||
get_func(config.state.rgb_blend.eq), get_factor(config.state.rgb_blend.src_factor),
|
||||
get_factor(config.state.rgb_blend.dst_factor));
|
||||
}
|
||||
if (config.state.alpha_blend.emulate_blending) {
|
||||
out += fmt::format(
|
||||
"last_tex_env_out.a = {}(source_color.a * ({}).a, dest_color.a * ({}).a);\n",
|
||||
get_func(config.state.alpha_blend.eq), get_factor(config.state.alpha_blend.src_factor),
|
||||
get_factor(config.state.alpha_blend.dst_factor));
|
||||
}
|
||||
}
|
||||
|
||||
ShaderDecompiler::ProgramResult GenerateFragmentShader(const PicaFSConfig& config,
|
||||
bool separable_shader) {
|
||||
const auto& state = config.state;
|
||||
@ -1235,6 +1357,17 @@ ShaderDecompiler::ProgramResult GenerateFragmentShader(const PicaFSConfig& confi
|
||||
out += fragment_shader_precision_OES;
|
||||
}
|
||||
|
||||
out += R"(
|
||||
#if defined(GL_EXT_shader_framebuffer_fetch)
|
||||
#extension GL_EXT_shader_framebuffer_fetch : enable
|
||||
#elif defined(GL_ARM_shader_framebuffer_fetch)
|
||||
#extension GL_ARM_shader_framebuffer_fetch : enable
|
||||
#else
|
||||
layout(location = 10) uniform sampler2D colorBuffer;
|
||||
#endif
|
||||
|
||||
)";
|
||||
|
||||
out += GetVertexInterfaceDeclaration(false, separable_shader);
|
||||
|
||||
out += R"(
|
||||
@ -1242,7 +1375,7 @@ ShaderDecompiler::ProgramResult GenerateFragmentShader(const PicaFSConfig& confi
|
||||
in vec4 gl_FragCoord;
|
||||
#endif // CITRA_GLES
|
||||
|
||||
out vec4 color;
|
||||
layout(location = 0) out vec4 color;
|
||||
|
||||
uniform sampler2D tex0;
|
||||
uniform sampler2D tex1;
|
||||
@ -1552,34 +1685,12 @@ do {
|
||||
} else {
|
||||
out += "gl_FragDepth = depth;\n";
|
||||
// Round the final fragment color to maintain the PICA's 8 bits of precision
|
||||
out += "color = byteround(last_tex_env_out);\n";
|
||||
out += "last_tex_env_out = byteround(last_tex_env_out);\n";
|
||||
WriteBlending(out, config);
|
||||
out += "color = last_tex_env_out;\n";
|
||||
}
|
||||
|
||||
if (GLES) {
|
||||
if (!state.alphablend_enable) {
|
||||
switch (state.logic_op) {
|
||||
case FramebufferRegs::LogicOp::Clear:
|
||||
out += "color = vec4(0);\n";
|
||||
break;
|
||||
case FramebufferRegs::LogicOp::Set:
|
||||
out += "color = vec4(1);\n";
|
||||
break;
|
||||
case FramebufferRegs::LogicOp::Copy:
|
||||
// Take the color output as-is
|
||||
break;
|
||||
case FramebufferRegs::LogicOp::CopyInverted:
|
||||
out += "color = ~color;\n";
|
||||
break;
|
||||
case FramebufferRegs::LogicOp::NoOp:
|
||||
// We need to discard the color, but not necessarily the depth. This is not possible
|
||||
// with fragment shader alone, so we emulate this behavior on GLES with glColorMask.
|
||||
break;
|
||||
default:
|
||||
LOG_CRITICAL(HW_GPU, "Unhandled logic_op {:x}", static_cast<int>(state.logic_op));
|
||||
UNIMPLEMENTED();
|
||||
}
|
||||
}
|
||||
}
|
||||
WriteLogicOp(out, config);
|
||||
|
||||
out += '}';
|
||||
|
||||
|
||||
@ -11,6 +11,8 @@
|
||||
|
||||
namespace OpenGL {
|
||||
|
||||
class Driver;
|
||||
|
||||
namespace ShaderDecompiler {
|
||||
struct ProgramResult;
|
||||
}
|
||||
@ -115,6 +117,13 @@ struct PicaFSConfigState {
|
||||
Pica::TexturingRegs::ProcTexFilter lut_filter;
|
||||
} proctex;
|
||||
|
||||
struct {
|
||||
bool emulate_blending;
|
||||
Pica::FramebufferRegs::BlendEquation eq;
|
||||
Pica::FramebufferRegs::BlendFactor src_factor;
|
||||
Pica::FramebufferRegs::BlendFactor dst_factor;
|
||||
} rgb_blend, alpha_blend;
|
||||
|
||||
bool shadow_rendering;
|
||||
bool shadow_texture_orthographic;
|
||||
bool use_custom_normal_map;
|
||||
@ -131,7 +140,8 @@ struct PicaFSConfigState {
|
||||
struct PicaFSConfig : Common::HashableStruct<PicaFSConfigState> {
|
||||
|
||||
/// Construct a PicaFSConfig with the given Pica register configuration.
|
||||
static PicaFSConfig BuildFromRegs(const Pica::Regs& regs, bool use_normal = false);
|
||||
static PicaFSConfig BuildFromRegs(const Pica::Regs& regs, bool has_blend_minmax_factor,
|
||||
bool use_normal = false);
|
||||
|
||||
bool TevStageUpdatesCombinerBufferColor(unsigned stage_index) const {
|
||||
return (stage_index < 4) && (state.combiner_buffer_input & (1 << stage_index));
|
||||
|
||||
@ -418,7 +418,8 @@ void ShaderProgramManager::UseTrivialGeometryShader() {
|
||||
}
|
||||
|
||||
void ShaderProgramManager::UseFragmentShader(const Pica::Regs& regs, bool use_normal) {
|
||||
PicaFSConfig config = PicaFSConfig::BuildFromRegs(regs, use_normal);
|
||||
PicaFSConfig config =
|
||||
PicaFSConfig::BuildFromRegs(regs, driver.HasBlendMinMaxFactor(), use_normal);
|
||||
auto [handle, result] = impl->fragment_shaders.Get(config);
|
||||
impl->current.fs = handle;
|
||||
impl->current.fs_hash = config.Hash();
|
||||
@ -543,7 +544,8 @@ void ShaderProgramManager::LoadDiskCache(const std::atomic_bool& stop_loading,
|
||||
impl->programmable_vertex_shaders.Inject(conf, decomp->second.result.code,
|
||||
std::move(shader));
|
||||
} else if (raw.GetProgramType() == ProgramType::FS) {
|
||||
PicaFSConfig conf = PicaFSConfig::BuildFromRegs(raw.GetRawShaderConfig());
|
||||
PicaFSConfig conf = PicaFSConfig::BuildFromRegs(raw.GetRawShaderConfig(),
|
||||
driver.HasBlendMinMaxFactor());
|
||||
std::scoped_lock lock(mutex);
|
||||
impl->fragment_shaders.Inject(conf, std::move(shader));
|
||||
} else {
|
||||
@ -655,7 +657,8 @@ void ShaderProgramManager::LoadDiskCache(const std::atomic_bool& stop_loading,
|
||||
std::scoped_lock lock(mutex);
|
||||
impl->programmable_vertex_shaders.Inject(conf, result->code, std::move(stage));
|
||||
} else if (raw.GetProgramType() == ProgramType::FS) {
|
||||
PicaFSConfig conf = PicaFSConfig::BuildFromRegs(raw.GetRawShaderConfig());
|
||||
PicaFSConfig conf = PicaFSConfig::BuildFromRegs(raw.GetRawShaderConfig(),
|
||||
driver.HasBlendMinMaxFactor());
|
||||
result = GenerateFragmentShader(conf, impl->separable);
|
||||
OGLShaderStage stage{impl->separable};
|
||||
stage.Create(result->code.c_str(), GL_FRAGMENT_SHADER);
|
||||
|
||||
@ -247,6 +247,12 @@ void OpenGLState::Apply() const {
|
||||
glBindTexture(GL_TEXTURE_BUFFER, texture_buffer_lut_rgba.texture_buffer);
|
||||
}
|
||||
|
||||
// Color buffer
|
||||
if (color_buffer.texture_2d != cur_state.color_buffer.texture_2d) {
|
||||
glActiveTexture(TextureUnits::TextureColorBuffer.Enum());
|
||||
glBindTexture(GL_TEXTURE_2D, color_buffer.texture_2d);
|
||||
}
|
||||
|
||||
// Shadow Images
|
||||
if (image_shadow_buffer != cur_state.image_shadow_buffer) {
|
||||
glBindImageTexture(ImageUnits::ShadowBuffer, image_shadow_buffer, 0, GL_FALSE, 0,
|
||||
|
||||
@ -27,6 +27,7 @@ constexpr TextureUnit TextureBufferLUT_LF{3};
|
||||
constexpr TextureUnit TextureBufferLUT_RG{4};
|
||||
constexpr TextureUnit TextureBufferLUT_RGBA{5};
|
||||
constexpr TextureUnit TextureNormalMap{7};
|
||||
constexpr TextureUnit TextureColorBuffer{10};
|
||||
|
||||
} // namespace TextureUnits
|
||||
|
||||
@ -115,6 +116,10 @@ public:
|
||||
GLuint texture_buffer; // GL_TEXTURE_BINDING_BUFFER
|
||||
} texture_buffer_lut_rgba;
|
||||
|
||||
struct {
|
||||
GLuint texture_2d; // GL_TEXTURE_BINDING_2D
|
||||
} color_buffer;
|
||||
|
||||
// GL_IMAGE_BINDING_NAME
|
||||
GLuint image_shadow_buffer;
|
||||
union {
|
||||
@ -165,6 +170,14 @@ public:
|
||||
return cur_state;
|
||||
}
|
||||
|
||||
bool EmulateColorBlend() const {
|
||||
return blend.rgb_equation == GL_MIN || blend.rgb_equation == GL_MAX;
|
||||
}
|
||||
|
||||
bool EmulateAlphaBlend() const {
|
||||
return blend.a_equation == GL_MIN || blend.a_equation == GL_MAX;
|
||||
}
|
||||
|
||||
/// Apply this state as the current OpenGL state
|
||||
void Apply() const;
|
||||
|
||||
|
||||
@ -95,7 +95,7 @@ inline GLenum WrapMode(Pica::TexturingRegs::TextureConfig::WrapMode mode) {
|
||||
return gl_mode;
|
||||
}
|
||||
|
||||
inline GLenum BlendEquation(Pica::FramebufferRegs::BlendEquation equation) {
|
||||
inline GLenum BlendEquation(Pica::FramebufferRegs::BlendEquation equation, bool factor_minmax) {
|
||||
static constexpr std::array<GLenum, 5> blend_equation_table{{
|
||||
GL_FUNC_ADD, // BlendEquation::Add
|
||||
GL_FUNC_SUBTRACT, // BlendEquation::Subtract
|
||||
@ -103,6 +103,13 @@ inline GLenum BlendEquation(Pica::FramebufferRegs::BlendEquation equation) {
|
||||
GL_MIN, // BlendEquation::Min
|
||||
GL_MAX, // BlendEquation::Max
|
||||
}};
|
||||
static constexpr std::array<GLenum, 5> blend_equation_table_minmax{{
|
||||
GL_FUNC_ADD, // BlendEquation::Add
|
||||
GL_FUNC_SUBTRACT, // BlendEquation::Subtract
|
||||
GL_FUNC_REVERSE_SUBTRACT, // BlendEquation::ReverseSubtract
|
||||
GL_FACTOR_MIN_AMD, // BlendEquation::Min
|
||||
GL_FACTOR_MAX_AMD, // BlendEquation::Max
|
||||
}};
|
||||
|
||||
const auto index = static_cast<std::size_t>(equation);
|
||||
|
||||
@ -114,7 +121,7 @@ inline GLenum BlendEquation(Pica::FramebufferRegs::BlendEquation equation) {
|
||||
return GL_FUNC_ADD;
|
||||
}
|
||||
|
||||
return blend_equation_table[index];
|
||||
return (factor_minmax ? blend_equation_table_minmax : blend_equation_table)[index];
|
||||
}
|
||||
|
||||
inline GLenum BlendFunc(Pica::FramebufferRegs::BlendFactor factor) {
|
||||
|
||||
@ -311,19 +311,17 @@ Common::Vec4<u8> EvaluateBlendEquation(const Common::Vec4<u8>& src,
|
||||
case FramebufferRegs::BlendEquation::ReverseSubtract:
|
||||
result = (dst_result - src_result) / 255;
|
||||
break;
|
||||
// TODO: How do these two actually work? OpenGL doesn't include the blend factors in the
|
||||
// min/max computations, but is this what the 3DS actually does?
|
||||
case FramebufferRegs::BlendEquation::Min:
|
||||
result.r() = std::min(src.r(), dest.r());
|
||||
result.g() = std::min(src.g(), dest.g());
|
||||
result.b() = std::min(src.b(), dest.b());
|
||||
result.a() = std::min(src.a(), dest.a());
|
||||
result.r() = std::min(src_result.r(), dst_result.r()) / 255;
|
||||
result.g() = std::min(src_result.g(), dst_result.g()) / 255;
|
||||
result.b() = std::min(src_result.b(), dst_result.b()) / 255;
|
||||
result.a() = std::min(src_result.a(), dst_result.a()) / 255;
|
||||
break;
|
||||
case FramebufferRegs::BlendEquation::Max:
|
||||
result.r() = std::max(src.r(), dest.r());
|
||||
result.g() = std::max(src.g(), dest.g());
|
||||
result.b() = std::max(src.b(), dest.b());
|
||||
result.a() = std::max(src.a(), dest.a());
|
||||
result.r() = std::max(src_result.r(), dst_result.r()) / 255;
|
||||
result.g() = std::max(src_result.g(), dst_result.g()) / 255;
|
||||
result.b() = std::max(src_result.b(), dst_result.b()) / 255;
|
||||
result.a() = std::max(src_result.a(), dst_result.a()) / 255;
|
||||
break;
|
||||
default:
|
||||
LOG_CRITICAL(HW_GPU, "Unknown RGB blend equation 0x{:x}", equation);
|
||||
|
||||
@ -69,6 +69,7 @@ layout ({}std140) uniform shader_data {{
|
||||
vec3 tex_lod_bias;
|
||||
vec4 tex_border_color[3];
|
||||
vec4 clip_coef;
|
||||
vec4 blend_color;
|
||||
}};
|
||||
)";
|
||||
|
||||
|
||||
@ -66,9 +66,10 @@ struct UniformData {
|
||||
alignas(16) Common::Vec3f tex_lod_bias;
|
||||
alignas(16) Common::Vec4f tex_border_color[3];
|
||||
alignas(16) Common::Vec4f clip_coef;
|
||||
alignas(16) Common::Vec4f blend_color;
|
||||
};
|
||||
|
||||
static_assert(sizeof(UniformData) == 0x530,
|
||||
static_assert(sizeof(UniformData) == 0x540,
|
||||
"The size of the UniformData does not match the structure in the shader");
|
||||
static_assert(sizeof(UniformData) < 16384,
|
||||
"UniformData structure must be less than 16kb as per the OpenGL spec");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user