From 58d1c6398e555f95bc6da60467c3f49183eb18df Mon Sep 17 00:00:00 2001 From: Lectem Date: Tue, 7 Jul 2015 23:36:06 +0200 Subject: Added GL_CLAMP_TO_BORDER support --- src/video_core/rasterizer.cpp | 31 ++++++++++++++++++++----------- 1 file changed, 20 insertions(+), 11 deletions(-) (limited to 'src/video_core/rasterizer.cpp') diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp index 59d156ee..70b11574 100644 --- a/src/video_core/rasterizer.cpp +++ b/src/video_core/rasterizer.cpp @@ -349,6 +349,9 @@ static void ProcessTriangleInternal(const VertexShader::OutputVertex& v0, val = std::min(val, (int)size - 1); return val; + case Regs::TextureConfig::ClampToBorder: + return val; + case Regs::TextureConfig::Repeat: return (int)((unsigned)val % size); @@ -367,17 +370,23 @@ static void ProcessTriangleInternal(const VertexShader::OutputVertex& v0, } }; - // Textures are laid out from bottom to top, hence we invert the t coordinate. - // NOTE: This may not be the right place for the inversion. - // TODO: Check if this applies to ETC textures, too. - s = GetWrappedTexCoord(texture.config.wrap_s, s, texture.config.width); - t = texture.config.height - 1 - GetWrappedTexCoord(texture.config.wrap_t, t, texture.config.height); - - u8* texture_data = Memory::GetPhysicalPointer(texture.config.GetPhysicalAddress()); - auto info = DebugUtils::TextureInfo::FromPicaRegister(texture.config, texture.format); - - texture_color[i] = DebugUtils::LookupTexture(texture_data, s, t, info); - DebugUtils::DumpTexture(texture.config, texture_data); + if ((texture.config.wrap_s == Regs::TextureConfig::ClampToBorder && (s < 0 || s >= texture.config.width)) + || (texture.config.wrap_t == Regs::TextureConfig::ClampToBorder && (t < 0 || t >= texture.config.height))) { + auto border_color = texture.config.border_color; + texture_color[i] = { border_color.r, border_color.g, border_color.b, border_color.a }; + } else { + // Textures are laid out from bottom to top, hence we invert the t coordinate. + // NOTE: This may not be the right place for the inversion. + // TODO: Check if this applies to ETC textures, too. + s = GetWrappedTexCoord(texture.config.wrap_s, s, texture.config.width); + t = texture.config.height - 1 - GetWrappedTexCoord(texture.config.wrap_t, t, texture.config.height); + + u8* texture_data = Memory::GetPhysicalPointer(texture.config.GetPhysicalAddress()); + auto info = DebugUtils::TextureInfo::FromPicaRegister(texture.config, texture.format); + + texture_color[i] = DebugUtils::LookupTexture(texture_data, s, t, info); + DebugUtils::DumpTexture(texture.config, texture_data); + } } // Texture environment - consists of 6 stages of color and alpha combining. -- cgit v1.2.3