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author | Jannik Vogel <email@jannikvogel.de> | 2016-05-12 22:57:15 +0200 |
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committer | Jannik Vogel <email@jannikvogel.de> | 2016-05-12 22:57:40 +0200 |
commit | 5864cb7e00d241473b43f8895449f8cebb9e7ec5 (patch) | |
tree | 64decd59c20ccb7f8c3326758fabe2552f469827 /src | |
parent | Merge pull request #1690 from JayFoxRox/tex-type-3 (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.cpp | 2 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_state.cpp | 7 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_state.h | 2 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/pica_to_gl.h | 20 |
4 files changed, 31 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index ed2e2f3ae..4222945a4 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -937,6 +937,8 @@ void RasterizerOpenGL::SyncBlendEnabled() { void RasterizerOpenGL::SyncBlendFuncs() { const auto& regs = Pica::g_state.regs; + state.blend.rgb_equation = PicaToGL::BlendEquation(regs.output_merger.alpha_blending.blend_equation_rgb); + state.blend.a_equation = PicaToGL::BlendEquation(regs.output_merger.alpha_blending.blend_equation_a); state.blend.src_rgb_func = PicaToGL::BlendFunc(regs.output_merger.alpha_blending.factor_source_rgb); state.blend.dst_rgb_func = PicaToGL::BlendFunc(regs.output_merger.alpha_blending.factor_dest_rgb); state.blend.src_a_func = PicaToGL::BlendFunc(regs.output_merger.alpha_blending.factor_source_a); diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp index 02cd9f417..fa141fc9a 100644 --- a/src/video_core/renderer_opengl/gl_state.cpp +++ b/src/video_core/renderer_opengl/gl_state.cpp @@ -36,6 +36,8 @@ OpenGLState::OpenGLState() { stencil.action_stencil_fail = GL_KEEP; blend.enabled = false; + blend.rgb_equation = GL_FUNC_ADD; + blend.a_equation = GL_FUNC_ADD; blend.src_rgb_func = GL_ONE; blend.dst_rgb_func = GL_ZERO; blend.src_a_func = GL_ONE; @@ -165,6 +167,11 @@ void OpenGLState::Apply() const { blend.src_a_func, blend.dst_a_func); } + if (blend.rgb_equation != cur_state.blend.rgb_equation || + blend.a_equation != cur_state.blend.a_equation) { + glBlendEquationSeparate(blend.rgb_equation, blend.a_equation); + } + if (logic_op != cur_state.logic_op) { glLogicOp(logic_op); } diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h index 24f20e47c..228727054 100644 --- a/src/video_core/renderer_opengl/gl_state.h +++ b/src/video_core/renderer_opengl/gl_state.h @@ -40,6 +40,8 @@ public: struct { bool enabled; // GL_BLEND + GLenum rgb_equation; // GL_BLEND_EQUATION_RGB + GLenum a_equation; // GL_BLEND_EQUATION_ALPHA GLenum src_rgb_func; // GL_BLEND_SRC_RGB GLenum dst_rgb_func; // GL_BLEND_DST_RGB GLenum src_a_func; // GL_BLEND_SRC_ALPHA diff --git a/src/video_core/renderer_opengl/pica_to_gl.h b/src/video_core/renderer_opengl/pica_to_gl.h index 976d1f364..6dc2758c5 100644 --- a/src/video_core/renderer_opengl/pica_to_gl.h +++ b/src/video_core/renderer_opengl/pica_to_gl.h @@ -78,6 +78,26 @@ inline GLenum WrapMode(Pica::Regs::TextureConfig::WrapMode mode) { return gl_mode; } +inline GLenum BlendEquation(Pica::Regs::BlendEquation equation) { + static const GLenum blend_equation_table[] = { + GL_FUNC_ADD, // BlendEquation::Add + GL_FUNC_SUBTRACT, // BlendEquation::Subtract + GL_FUNC_REVERSE_SUBTRACT, // BlendEquation::ReverseSubtract + GL_MIN, // BlendEquation::Min + GL_MAX, // BlendEquation::Max + }; + + // Range check table for input + if (static_cast<size_t>(equation) >= ARRAY_SIZE(blend_equation_table)) { + LOG_CRITICAL(Render_OpenGL, "Unknown blend equation %d", equation); + UNREACHABLE(); + + return GL_FUNC_ADD; + } + + return blend_equation_table[(unsigned)equation]; +} + inline GLenum BlendFunc(Pica::Regs::BlendFactor factor) { static const GLenum blend_func_table[] = { GL_ZERO, // BlendFactor::Zero |