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author | wwylele <wwylele@gmail.com> | 2017-08-17 09:46:59 +0200 |
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committer | wwylele <wwylele@gmail.com> | 2017-08-21 07:03:07 +0200 |
commit | 1eca380886b5028e027f1380c04f221ac94ed47d (patch) | |
tree | 2e6b15be4c3fa915f59c80f04395cad09859394c | |
parent | Merge pull request #2872 from wwylele/sw-geo-factor (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.cpp | 3 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_gen.cpp | 2 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_state.cpp | 13 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_state.h | 3 |
4 files changed, 21 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index 1c6c15a58..aa95ef21d 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -28,6 +28,9 @@ MICROPROFILE_DEFINE(OpenGL_Blits, "OpenGL", "Blits", MP_RGB(100, 100, 255)); MICROPROFILE_DEFINE(OpenGL_CacheManagement, "OpenGL", "Cache Mgmt", MP_RGB(100, 255, 100)); RasterizerOpenGL::RasterizerOpenGL() : shader_dirty(true) { + // Clipping plane 0 is always enabled for PICA fixed clip plane z <= 0 + state.clip_distance[0] = true; + // Create sampler objects for (size_t i = 0; i < texture_samplers.size(); ++i) { texture_samplers[i].Create(); diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index ae67aab05..0dae4b91e 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -1196,6 +1196,8 @@ void main() { normquat = vert_normquat; view = vert_view; gl_Position = vec4(vert_position.x, vert_position.y, -vert_position.z, vert_position.w); + gl_ClipDistance[0] = -vert_position.z; // fixed PICA clipping plane z <= 0 + // TODO (wwylele): calculate gl_ClipDistance[1] from user-defined clipping plane } )"; diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp index bc9d34b84..06a905766 100644 --- a/src/video_core/renderer_opengl/gl_state.cpp +++ b/src/video_core/renderer_opengl/gl_state.cpp @@ -68,6 +68,8 @@ OpenGLState::OpenGLState() { draw.vertex_buffer = 0; draw.uniform_buffer = 0; draw.shader_program = 0; + + clip_distance = {}; } void OpenGLState::Apply() const { @@ -261,6 +263,17 @@ void OpenGLState::Apply() const { glUseProgram(draw.shader_program); } + // Clip distance + for (size_t i = 0; i < clip_distance.size(); ++i) { + if (clip_distance[i] != cur_state.clip_distance[i]) { + if (clip_distance[i]) { + glEnable(GL_CLIP_DISTANCE0 + i); + } else { + glDisable(GL_CLIP_DISTANCE0 + i); + } + } + } + cur_state = *this; } diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h index 745a74479..437fe34c4 100644 --- a/src/video_core/renderer_opengl/gl_state.h +++ b/src/video_core/renderer_opengl/gl_state.h @@ -4,6 +4,7 @@ #pragma once +#include <array> #include <glad/glad.h> namespace TextureUnits { @@ -123,6 +124,8 @@ public: GLuint shader_program; // GL_CURRENT_PROGRAM } draw; + std::array<bool, 2> clip_distance; // GL_CLIP_DISTANCE + OpenGLState(); /// Get the currently active OpenGL state |