mirror of https://github.com/PCSX2/pcsx2.git
gsdx-ogl: support latest fxaa version
Only tested on Nvidia, please report any issue with your driver Note: requires GL4 GPU
This commit is contained in:
Gregory Hainaut
parent
ff39dffe23
commit
8c90e7cafc
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@ -34,8 +34,7 @@ eval {
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print "Disable MD5\n";
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};
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# Keep the old FXAA for now
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my @gsdx_res = qw/convert.glsl interlace.glsl merge.glsl shadeboost.glsl tfx.glsl old_fxaa.fx/;
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my @gsdx_res = qw/convert.glsl interlace.glsl merge.glsl shadeboost.glsl tfx.glsl fxaa.fx/;
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my $gsdx_path = File::Spec->catdir(dirname(abs_path($0)), "..", "plugins", "GSdx", "res");
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my $gsdx_out = File::Spec->catdir($gsdx_path, "glsl_source.h");
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glsl2h($gsdx_path, $gsdx_out, \@gsdx_res);
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@ -40,7 +40,6 @@ uint32 g_vertex_upload_byte = 0;
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static const uint32 g_merge_cb_index = 10;
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static const uint32 g_interlace_cb_index = 11;
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static const uint32 g_shadeboost_cb_index = 12;
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static const uint32 g_fxaa_cb_index = 13;
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static const uint32 g_fx_cb_index = 14;
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GSDeviceOGL::GSDeviceOGL()
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@ -919,13 +918,15 @@ void GSDeviceOGL::DoFXAA(GSTexture* st, GSTexture* dt)
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// Lazy compile
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if (!m_fxaa.ps) {
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std::string fxaa_macro = "#define FXAA_GLSL_130 1\n";
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if (GLLoader::found_GL_ARB_gpu_shader5) {
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// This extension become core on openGL4
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if (GLLoader::found_GL_ARB_gpu_shader5) { // GL4.0 extension
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// Hardcoded in the new shader
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//fxaa_macro += "#define FXAA_GATHER4_ALPHA 1\n";
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fxaa_macro += "#extension GL_ARB_gpu_shader5 : enable\n";
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fxaa_macro += "#define FXAA_GATHER4_ALPHA 1\n";
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} else {
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fprintf(stderr, "FXAA requires the GL_ARB_gpu_shader5 extension. Please either disable FXAA or upgrade your GPU/driver.\n");
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return;
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}
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m_fxaa.cb = new GSUniformBufferOGL(g_fxaa_cb_index, sizeof(FXAAConstantBuffer));
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m_fxaa.ps = m_shader->Compile("fxaa.fx", "ps_main", GL_FRAGMENT_SHADER, old_fxaa_fx, fxaa_macro);
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m_fxaa.ps = m_shader->Compile("fxaa.fx", "ps_main", GL_FRAGMENT_SHADER, fxaa_fx, fxaa_macro);
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}
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GSVector2i s = dt->GetSize();
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@ -933,13 +934,6 @@ void GSDeviceOGL::DoFXAA(GSTexture* st, GSTexture* dt)
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GSVector4 sr(0, 0, 1, 1);
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GSVector4 dr(0, 0, s.x, s.y);
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FXAAConstantBuffer cb;
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cb.rcpFrame = GSVector4(1.0f / s.x, 1.0f / s.y, 0.0f, 0.0f);
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cb.rcpFrameOpt = GSVector4::zero();
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m_fxaa.cb->upload(&cb);
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StretchRect(st, sr, dt, dr, m_fxaa.ps, true);
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}
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@ -1,4 +1,8 @@
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#ifdef SHADER_MODEL
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#if defined(SHADER_MODEL) || defined(FXAA_GLSL_130)
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#ifndef FXAA_GLSL_130
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#define FXAA_GLSL_130 0
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#endif
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#define UHQ_FXAA 1 //High Quality Fast Approximate Anti Aliasing. Adapted for GSdx from Timothy Lottes FXAA 3.11.
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#define FxaaSubpixMax 0.0 //[0.00 to 1.00] Amount of subpixel aliasing removal. 0.00: Edge only antialiasing (no blurring)
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@ -7,6 +11,29 @@
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/*------------------------------------------------------------------------------
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[GLOBALS|FUNCTIONS]
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------------------------------------------------------------------------------*/
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#if (FXAA_GLSL_130 == 1)
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struct vertex_basic
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{
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vec4 p;
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vec2 t;
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};
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#ifdef ENABLE_BINDLESS_TEX
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layout(bindless_sampler, location = 0) uniform sampler2D TextureSampler;
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#else
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layout(binding = 0) uniform sampler2D TextureSampler;
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#endif
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in SHADER
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{
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vec4 p;
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vec2 t;
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} PSin;
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layout(location = 0) out vec4 SV_Target0;
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#else
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#if (SHADER_MODEL >= 0x400)
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Texture2D Texture : register(t0);
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@ -47,59 +74,7 @@ struct PS_OUTPUT
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#endif
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};
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float RGBLuminance(float3 color)
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{
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const float3 lumCoeff = float3(0.2126729, 0.7151522, 0.0721750);
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return dot(color.rgb, lumCoeff);
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}
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#define PixelSize float2(_rcpFrame.x, _rcpFrame.y)
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/*------------------------------------------------------------------------------
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[GAMMA PREPASS CODE SECTION]
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------------------------------------------------------------------------------*/
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float3 RGBGammaToLinear(float3 color, float gamma)
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{
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color = saturate(color);
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color.r = (color.r <= 0.0404482362771082) ?
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color.r / 12.92 : pow((color.r + 0.055) / 1.055, gamma);
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color.g = (color.g <= 0.0404482362771082) ?
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color.g / 12.92 : pow((color.g + 0.055) / 1.055, gamma);
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color.b = (color.b <= 0.0404482362771082) ?
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color.b / 12.92 : pow((color.b + 0.055) / 1.055, gamma);
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return color;
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}
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float3 LinearToRGBGamma(float3 color, float gamma)
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{
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color = saturate(color);
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color.r = (color.r <= 0.00313066844250063) ?
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color.r * 12.92 : 1.055 * pow(color.r, 1.0 / gamma) - 0.055;
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color.g = (color.g <= 0.00313066844250063) ?
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color.g * 12.92 : 1.055 * pow(color.g, 1.0 / gamma) - 0.055;
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color.b = (color.b <= 0.00313066844250063) ?
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color.b * 12.92 : 1.055 * pow(color.b, 1.0 / gamma) - 0.055;
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return color;
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}
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float4 PreGammaPass(float4 color, float2 uv0)
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{
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#if (SHADER_MODEL >= 0x400)
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color = Texture.Sample(TextureSampler, uv0);
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#else
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color = tex2D(TextureSampler, uv0);
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#endif
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const float GammaConst = 2.233;
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color.rgb = RGBGammaToLinear(color.rgb, GammaConst);
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color.rgb = LinearToRGBGamma(color.rgb, GammaConst);
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color.a = RGBLuminance(color.rgb);
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return color;
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}
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#endif
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/*------------------------------------------------------------------------------
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[FXAA CODE SECTION]
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@ -111,6 +86,8 @@ float4 PreGammaPass(float4 color, float2 uv0)
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#elif (SHADER_MODEL >= 0x400)
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#define FXAA_HLSL_4 1
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#define FXAA_GATHER4_ALPHA 0
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#elif (FXAA_GLSL_130 == 1)
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#define FXAA_GATHER4_ALPHA 1
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#else
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#define FXAA_HLSL_3 1
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#define FXAA_GATHER4_ALPHA 0
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@ -138,6 +115,24 @@ struct FxaaTex { SamplerState smpl; Texture2D tex; };
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#define FxaaSat(x) saturate(x)
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#define FxaaTexTop(t, p) tex2Dlod(t, float4(p, 0.0, 0.0))
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#define FxaaTexOff(t, p, o, r) tex2Dlod(t, float4(p + (o * r), 0, 0))
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#elif (FXAA_GLSL_130 == 1)
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#define int2 ivec2
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#define float2 vec2
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#define float3 vec3
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#define float4 vec4
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#define FxaaDiscard discard
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#define FxaaSat(x) clamp(x, 0.0, 1.0)
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#define FxaaTex sampler2D
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#define FxaaTexTop(t, p) textureLod(t, p, 0.0)
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#define FxaaTexOff(t, p, o, r) textureLodOffset(t, p, 0.0, o)
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#if (FXAA_GATHER4_ALPHA == 1)
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// use #extension GL_ARB_gpu_shader5 : enable
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#define FxaaTexAlpha4(t, p) textureGather(t, p, 3)
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#define FxaaTexOffAlpha4(t, p, o) textureGatherOffset(t, p, o, 3)
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#endif
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#endif
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#define FxaaEdgeThreshold 0.063
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@ -156,6 +151,69 @@ struct FxaaTex { SamplerState smpl; Texture2D tex; };
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#define FXAA_QUALITY__P11 8.0
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#define FXAA_QUALITY__P12 8.0
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/*------------------------------------------------------------------------------
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[GAMMA PREPASS CODE SECTION]
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------------------------------------------------------------------------------*/
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float RGBLuminance(float3 color)
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{
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const float3 lumCoeff = float3(0.2126729, 0.7151522, 0.0721750);
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return dot(color.rgb, lumCoeff);
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}
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#if (FXAA_GLSL_130 == 0)
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#define PixelSize float2(_rcpFrame.x, _rcpFrame.y)
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#endif
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float3 RGBGammaToLinear(float3 color, float gamma)
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{
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color = FxaaSat(color);
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color.r = (color.r <= 0.0404482362771082) ?
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color.r / 12.92 : pow((color.r + 0.055) / 1.055, gamma);
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color.g = (color.g <= 0.0404482362771082) ?
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color.g / 12.92 : pow((color.g + 0.055) / 1.055, gamma);
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color.b = (color.b <= 0.0404482362771082) ?
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color.b / 12.92 : pow((color.b + 0.055) / 1.055, gamma);
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return color;
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}
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float3 LinearToRGBGamma(float3 color, float gamma)
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{
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color = FxaaSat(color);
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color.r = (color.r <= 0.00313066844250063) ?
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color.r * 12.92 : 1.055 * pow(color.r, 1.0 / gamma) - 0.055;
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color.g = (color.g <= 0.00313066844250063) ?
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color.g * 12.92 : 1.055 * pow(color.g, 1.0 / gamma) - 0.055;
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color.b = (color.b <= 0.00313066844250063) ?
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color.b * 12.92 : 1.055 * pow(color.b, 1.0 / gamma) - 0.055;
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return color;
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}
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float4 PreGammaPass(float4 color, float2 uv0)
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{
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#if (SHADER_MODEL >= 0x400)
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color = Texture.Sample(TextureSampler, uv0);
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#elif (FXAA_GLSL_130 == 1)
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color = texture(TextureSampler, uv0);
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#else
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color = tex2D(TextureSampler, uv0);
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#endif
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const float GammaConst = 2.233;
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color.rgb = RGBGammaToLinear(color.rgb, GammaConst);
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color.rgb = LinearToRGBGamma(color.rgb, GammaConst);
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color.a = RGBLuminance(color.rgb);
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return color;
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}
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/*------------------------------------------------------------------------------
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[FXAA CODE SECTION]
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------------------------------------------------------------------------------*/
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float FxaaLuma(float4 rgba)
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{
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rgba.w = RGBLuminance(rgba.xyz);
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@ -463,7 +521,11 @@ float4 FxaaPixelShader(float2 pos, FxaaTex tex, float2 fxaaRcpFrame, float fxaaS
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return float4(FxaaTexTop(tex, posM).xyz, lumaM);
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}
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#if (FXAA_GLSL_130 == 1)
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float4 FxaaPass(float4 FxaaColor, float2 uv0)
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#else
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float4 FxaaPass(float4 FxaaColor : COLOR0, float2 uv0 : TEXCOORD0)
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#endif
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{
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FxaaTex tex;
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@ -473,6 +535,13 @@ float4 FxaaPass(float4 FxaaColor : COLOR0, float2 uv0 : TEXCOORD0)
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Texture.GetDimensions(PixelSize.x, PixelSize.y);
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FxaaColor = FxaaPixelShader(uv0, tex, 1.0/PixelSize.xy, FxaaSubpixMax, FxaaEdgeThreshold, FxaaEdgeThresholdMin);
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#elif (FXAA_GLSL_130 == 1)
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tex = TextureSampler;
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vec2 PixelSize = textureSize(tex, 0);
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FxaaColor = FxaaPixelShader(uv0, tex, 1.0/PixelSize.xy, FxaaSubpixMax, FxaaEdgeThreshold, FxaaEdgeThresholdMin);
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#else
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tex = TextureSampler;
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@ -485,6 +554,18 @@ float4 FxaaPass(float4 FxaaColor : COLOR0, float2 uv0 : TEXCOORD0)
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/*------------------------------------------------------------------------------
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[MAIN() & COMBINE PASS CODE SECTION]
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------------------------------------------------------------------------------*/
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#if (FXAA_GLSL_130 == 1)
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void ps_main()
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{
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vec4 color = texture(TextureSampler, PSin.t);
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color = PreGammaPass(color, PSin.t);
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color = FxaaPass(color, PSin.t);
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SV_Target0 = color;
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}
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#else
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PS_OUTPUT ps_main(VS_OUTPUT input)
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{
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@ -506,4 +587,7 @@ PS_OUTPUT ps_main(VS_OUTPUT input)
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return output;
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}
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#endif
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#endif
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