From 4d1a0a24cc753d6655b07b74f3f0f098a4d588d1 Mon Sep 17 00:00:00 2001 From: Rodolfo Bogado Date: Sun, 18 Nov 2018 03:44:48 -0300 Subject: drop support for non separate alpha as it seems to cause issues in some games --- src/video_core/renderer_opengl/gl_rasterizer.cpp | 34 +++++++------ src/video_core/renderer_opengl/gl_state.cpp | 61 ++++++++---------------- src/video_core/renderer_opengl/gl_state.h | 1 - 3 files changed, 35 insertions(+), 61 deletions(-) diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index 3fe8ceb41..8c92ceb21 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -1077,15 +1077,15 @@ void RasterizerOpenGL::SyncBlendState() { state.independant_blend.enabled = regs.independent_blend_enable; if (!state.independant_blend.enabled) { auto& blend = state.blend[0]; - blend.enabled = regs.blend.enable[0] != 0; - blend.separate_alpha = regs.blend.separate_alpha; - blend.rgb_equation = MaxwellToGL::BlendEquation(regs.blend.equation_rgb); - blend.src_rgb_func = MaxwellToGL::BlendFunc(regs.blend.factor_source_rgb); - blend.dst_rgb_func = MaxwellToGL::BlendFunc(regs.blend.factor_dest_rgb); - if (blend.separate_alpha) { - blend.a_equation = MaxwellToGL::BlendEquation(regs.blend.equation_a); - blend.src_a_func = MaxwellToGL::BlendFunc(regs.blend.factor_source_a); - blend.dst_a_func = MaxwellToGL::BlendFunc(regs.blend.factor_dest_a); + const auto& src = regs.blend; + blend.enabled = src.enable[0] != 0; + if (blend.enabled) { + blend.rgb_equation = MaxwellToGL::BlendEquation(src.equation_rgb); + blend.src_rgb_func = MaxwellToGL::BlendFunc(src.factor_source_rgb); + blend.dst_rgb_func = MaxwellToGL::BlendFunc(src.factor_dest_rgb); + blend.a_equation = MaxwellToGL::BlendEquation(src.equation_a); + blend.src_a_func = MaxwellToGL::BlendFunc(src.factor_source_a); + blend.dst_a_func = MaxwellToGL::BlendFunc(src.factor_dest_a); } for (std::size_t i = 1; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) { state.blend[i].enabled = false; @@ -1095,18 +1095,16 @@ void RasterizerOpenGL::SyncBlendState() { for (std::size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) { auto& blend = state.blend[i]; + const auto& src = regs.independent_blend[i]; blend.enabled = regs.blend.enable[i] != 0; if (!blend.enabled) continue; - blend.separate_alpha = regs.independent_blend[i].separate_alpha; - blend.rgb_equation = MaxwellToGL::BlendEquation(regs.independent_blend[i].equation_rgb); - blend.src_rgb_func = MaxwellToGL::BlendFunc(regs.independent_blend[i].factor_source_rgb); - blend.dst_rgb_func = MaxwellToGL::BlendFunc(regs.independent_blend[i].factor_dest_rgb); - if (blend.separate_alpha) { - blend.a_equation = MaxwellToGL::BlendEquation(regs.independent_blend[i].equation_a); - blend.src_a_func = MaxwellToGL::BlendFunc(regs.independent_blend[i].factor_source_a); - blend.dst_a_func = MaxwellToGL::BlendFunc(regs.independent_blend[i].factor_dest_a); - } + blend.rgb_equation = MaxwellToGL::BlendEquation(src.equation_rgb); + blend.src_rgb_func = MaxwellToGL::BlendFunc(src.factor_source_rgb); + blend.dst_rgb_func = MaxwellToGL::BlendFunc(src.factor_dest_rgb); + blend.a_equation = MaxwellToGL::BlendEquation(src.equation_a); + blend.src_a_func = MaxwellToGL::BlendFunc(src.factor_source_a); + blend.dst_a_func = MaxwellToGL::BlendFunc(src.factor_dest_a); } } diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp index f6d80614b..d9910c6e8 100644 --- a/src/video_core/renderer_opengl/gl_state.cpp +++ b/src/video_core/renderer_opengl/gl_state.cpp @@ -309,27 +309,16 @@ void OpenGLState::ApplyGlobalBlending() const { if (!updated.enabled) { return; } - if (updated.separate_alpha) { - if (blend_changed || updated.src_rgb_func != current.src_rgb_func || - updated.dst_rgb_func != current.dst_rgb_func || - updated.src_a_func != current.src_a_func || updated.dst_a_func != current.dst_a_func) { - glBlendFuncSeparate(updated.src_rgb_func, updated.dst_rgb_func, updated.src_a_func, - updated.dst_a_func); - } - - if (blend_changed || updated.rgb_equation != current.rgb_equation || - updated.a_equation != current.a_equation) { - glBlendEquationSeparate(updated.rgb_equation, updated.a_equation); - } - } else { - if (blend_changed || updated.src_rgb_func != current.src_rgb_func || - updated.dst_rgb_func != current.dst_rgb_func) { - glBlendFunc(updated.src_rgb_func, updated.dst_rgb_func); - } + if (blend_changed || updated.src_rgb_func != current.src_rgb_func || + updated.dst_rgb_func != current.dst_rgb_func || updated.src_a_func != current.src_a_func || + updated.dst_a_func != current.dst_a_func) { + glBlendFuncSeparate(updated.src_rgb_func, updated.dst_rgb_func, updated.src_a_func, + updated.dst_a_func); + } - if (blend_changed || updated.rgb_equation != current.rgb_equation) { - glBlendEquation(updated.rgb_equation); - } + if (blend_changed || updated.rgb_equation != current.rgb_equation || + updated.a_equation != current.a_equation) { + glBlendEquationSeparate(updated.rgb_equation, updated.a_equation); } } @@ -347,29 +336,17 @@ void OpenGLState::ApplyTargetBlending(std::size_t target, bool force) const { if (!updated.enabled) { return; } - if (updated.separate_alpha) { - if (blend_changed || updated.src_rgb_func != current.src_rgb_func || - updated.dst_rgb_func != current.dst_rgb_func || - updated.src_a_func != current.src_a_func || updated.dst_a_func != current.dst_a_func) { - glBlendFuncSeparateiARB(static_cast(target), updated.src_rgb_func, - updated.dst_rgb_func, updated.src_a_func, updated.dst_a_func); - } - - if (blend_changed || updated.rgb_equation != current.rgb_equation || - updated.a_equation != current.a_equation) { - glBlendEquationSeparateiARB(static_cast(target), updated.rgb_equation, - updated.a_equation); - } - } else { - if (blend_changed || updated.src_rgb_func != current.src_rgb_func || - updated.dst_rgb_func != current.dst_rgb_func) { - glBlendFunciARB(static_cast(target), updated.src_rgb_func, - updated.dst_rgb_func); - } + if (blend_changed || updated.src_rgb_func != current.src_rgb_func || + updated.dst_rgb_func != current.dst_rgb_func || updated.src_a_func != current.src_a_func || + updated.dst_a_func != current.dst_a_func) { + glBlendFuncSeparateiARB(static_cast(target), updated.src_rgb_func, + updated.dst_rgb_func, updated.src_a_func, updated.dst_a_func); + } - if (blend_changed || updated.rgb_equation != current.rgb_equation) { - glBlendEquationiARB(static_cast(target), updated.rgb_equation); - } + if (blend_changed || updated.rgb_equation != current.rgb_equation || + updated.a_equation != current.a_equation) { + glBlendEquationSeparateiARB(static_cast(target), updated.rgb_equation, + updated.a_equation); } } diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h index c8d951a7f..bdc743b0f 100644 --- a/src/video_core/renderer_opengl/gl_state.h +++ b/src/video_core/renderer_opengl/gl_state.h @@ -92,7 +92,6 @@ public: struct Blend { bool enabled; // GL_BLEND - bool separate_alpha; // Independent blend enabled GLenum rgb_equation; // GL_BLEND_EQUATION_RGB GLenum a_equation; // GL_BLEND_EQUATION_ALPHA GLenum src_rgb_func; // GL_BLEND_SRC_RGB -- cgit v1.2.3