From 89e81a9be26da83114e600d141085e9b7ac98529 Mon Sep 17 00:00:00 2001 From: Subv Date: Wed, 6 Jun 2018 18:26:41 -0500 Subject: GLState: Support changing the GL_TEXTURE_SWIZZLE parameter of each texture unit. --- src/video_core/renderer_opengl/gl_state.cpp | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src/video_core/renderer_opengl/gl_state.cpp') diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp index f91dfe36a..44f0c8a01 100644 --- a/src/video_core/renderer_opengl/gl_state.cpp +++ b/src/video_core/renderer_opengl/gl_state.cpp @@ -50,6 +50,10 @@ OpenGLState::OpenGLState() { for (auto& texture_unit : texture_units) { texture_unit.texture_2d = 0; texture_unit.sampler = 0; + texture_unit.swizzle.r = GL_RED; + texture_unit.swizzle.g = GL_GREEN; + texture_unit.swizzle.b = GL_BLUE; + texture_unit.swizzle.a = GL_ALPHA; } lighting_lut.texture_buffer = 0; @@ -200,6 +204,15 @@ void OpenGLState::Apply() const { if (texture_units[i].sampler != cur_state.texture_units[i].sampler) { glBindSampler(i, texture_units[i].sampler); } + // Update the texture swizzle + if (texture_units[i].swizzle.r != cur_state.texture_units[i].swizzle.r || + texture_units[i].swizzle.g != cur_state.texture_units[i].swizzle.g || + texture_units[i].swizzle.b != cur_state.texture_units[i].swizzle.b || + texture_units[i].swizzle.a != cur_state.texture_units[i].swizzle.a) { + std::array mask = {texture_units[i].swizzle.r, texture_units[i].swizzle.g, + texture_units[i].swizzle.b, texture_units[i].swizzle.a}; + glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_RGBA, mask.data()); + } } // Constbuffers -- cgit v1.2.3