mirror of
https://github.com/RPCSX/rpcsx.git
synced 2026-01-02 14:50:05 +01:00
242 lines
8.7 KiB
GLSL
242 lines
8.7 KiB
GLSL
R"(
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#define GAMMA_R_MASK (1 << GAMMA_R_BIT)
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#define GAMMA_G_MASK (1 << GAMMA_G_BIT)
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#define GAMMA_B_MASK (1 << GAMMA_B_BIT)
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#define GAMMA_A_MASK (1 << GAMMA_A_BIT)
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#define EXPAND_R_MASK (1 << EXPAND_R_BIT)
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#define EXPAND_G_MASK (1 << EXPAND_G_BIT)
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#define EXPAND_B_MASK (1 << EXPAND_B_BIT)
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#define EXPAND_A_MASK (1 << EXPAND_A_BIT)
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#define SEXT_R_MASK (1 << SEXT_R_BIT)
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#define SEXT_G_MASK (1 << SEXT_G_BIT)
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#define SEXT_B_MASK (1 << SEXT_B_BIT)
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#define SEXT_A_MASK (1 << SEXT_A_BIT)
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#define WRAP_S_MASK (1 << WRAP_S_BIT)
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#define WRAP_T_MASK (1 << WRAP_T_BIT)
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#define WRAP_R_MASK (1 << WRAP_R_BIT)
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#define GAMMA_CTRL_MASK (GAMMA_R_MASK | GAMMA_G_MASK | GAMMA_B_MASK | GAMMA_A_MASK)
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#define SIGN_EXPAND_MASK (EXPAND_R_MASK | EXPAND_G_MASK | EXPAND_B_MASK | EXPAND_A_MASK)
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#define SEXT_MASK (SEXT_R_MASK | SEXT_G_MASK | SEXT_B_MASK | SEXT_A_MASK)
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#define FILTERED_MASK (FILTERED_MAG_BIT | FILTERED_MIN_BIT)
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#ifdef _ENABLE_TEXTURE_EXPAND
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uint _texture_flag_override = 0;
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#define _enable_texture_expand() _texture_flag_override = SIGN_EXPAND_MASK
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#define _disable_texture_expand() _texture_flag_override = 0
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#define TEX_FLAGS(index) (texture_parameters[index].flags | _texture_flag_override)
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#else
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#define TEX_FLAGS(index) texture_parameters[index].flags
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#endif
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#define TEX_NAME(index) tex##index
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#define TEX_NAME_STENCIL(index) tex##index##_stencil
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#define COORD_SCALE1(index, coord1) _texcoord_xform(coord1, texture_parameters[index])
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#define COORD_SCALE2(index, coord2) _texcoord_xform(coord2, texture_parameters[index])
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#define COORD_SCALE3(index, coord3) _texcoord_xform(coord3, texture_parameters[index])
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#define COORD_PROJ1(index, coord2) COORD_SCALE1(index, coord2.x / coord2.y)
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#define COORD_PROJ2(index, coord3) COORD_SCALE2(index, coord3.xy / coord3.z)
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#define COORD_PROJ3(index, coord4) COORD_SCALE3(index, coord4.xyz / coord4.w)
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#ifdef _ENABLE_TEX1D
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#define TEX1D(index, coord1) _process_texel(texture(TEX_NAME(index), COORD_SCALE1(index, coord1)), TEX_FLAGS(index))
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#define TEX1D_BIAS(index, coord1, bias) _process_texel(texture(TEX_NAME(index), COORD_SCALE1(index, coord1), bias), TEX_FLAGS(index))
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#define TEX1D_LOD(index, coord1, lod) _process_texel(textureLod(TEX_NAME(index), COORD_SCALE1(index, coord1), lod), TEX_FLAGS(index))
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#define TEX1D_GRAD(index, coord1, dpdx, dpdy) _process_texel(textureGrad(TEX_NAME(index), COORD_SCALE1(index, coord1), dpdx, dpdy), TEX_FLAGS(index))
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#define TEX1D_PROJ(index, coord4) _process_texel(texture(TEX_NAME(index), COORD_PROJ1(index, coord4.xw)), TEX_FLAGS(index))
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#endif
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#ifdef _ENABLE_TEX2D
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#define TEX2D(index, coord2) _process_texel(texture(TEX_NAME(index), COORD_SCALE2(index, coord2)), TEX_FLAGS(index))
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#define TEX2D_BIAS(index, coord2, bias) _process_texel(texture(TEX_NAME(index), COORD_SCALE2(index, coord2), bias), TEX_FLAGS(index))
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#define TEX2D_LOD(index, coord2, lod) _process_texel(textureLod(TEX_NAME(index), COORD_SCALE2(index, coord2), lod), TEX_FLAGS(index))
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#define TEX2D_GRAD(index, coord2, dpdx, dpdy) _process_texel(textureGrad(TEX_NAME(index), COORD_SCALE2(index, coord2), dpdx, dpdy), TEX_FLAGS(index))
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#define TEX2D_PROJ(index, coord4) _process_texel(texture(TEX_NAME(index), COORD_PROJ2(index, coord4.xyw)), TEX_FLAGS(index))
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#endif
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#ifdef _ENABLE_SHADOW
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#ifdef _EMULATED_TEXSHADOW
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#define SHADOW_COORD(index, coord3) _texcoord_xform_shadow(coord3, texture_parameters[index])
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#define SHADOW_COORD4(index, coord4) _texcoord_xform_shadow(coord4, texture_parameters[index])
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#define SHADOW_COORD_PROJ(index, coord4) _texcoord_xform_shadow(coord4.xyz / coord4.w, texture_parameters[index])
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#define TEX2D_SHADOW(index, coord3) texture(TEX_NAME(index), SHADOW_COORD(index, coord3))
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#define TEX3D_SHADOW(index, coord4) texture(TEX_NAME(index), SHADOW_COORD4(index, coord4))
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#define TEX2D_SHADOWPROJ(index, coord4) texture(TEX_NAME(index), SHADOW_COORD_PROJ(index, coord4))
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#else
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#define COORD_PROJ3_SHADOW(index, coord4) vec3(COORD_PROJ2(index, coord4.xyw), coord4.z / coord4.w)
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#define TEX2D_SHADOW(index, coord3) texture(TEX_NAME(index), vec3(COORD_SCALE2(index, coord3.xy), coord3.z))
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#define TEX3D_SHADOW(index, coord4) texture(TEX_NAME(index), vec4(COORD_SCALE3(index, coord4.xyz), coord4.w))
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#define TEX2D_SHADOWPROJ(index, coord4) texture(TEX_NAME(index), COORD_PROJ3_SHADOW(index, coord4))
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#endif
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#endif
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#ifdef _ENABLE_TEX3D
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#define TEX3D(index, coord3) _process_texel(texture(TEX_NAME(index), COORD_SCALE3(index, coord3)), TEX_FLAGS(index))
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#define TEX3D_BIAS(index, coord3, bias) _process_texel(texture(TEX_NAME(index), COORD_SCALE3(index, coord3), bias), TEX_FLAGS(index))
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#define TEX3D_LOD(index, coord3, lod) _process_texel(textureLod(TEX_NAME(index), COORD_SCALE3(index, coord3), lod), TEX_FLAGS(index))
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#define TEX3D_GRAD(index, coord3, dpdx, dpdy) _process_texel(textureGrad(TEX_NAME(index), COORD_SCALE3(index, coord3), dpdx, dpdy), TEX_FLAGS(index))
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#define TEX3D_PROJ(index, coord4) _process_texel(texture(TEX_NAME(index), COORD_PROJ3(index, coord4).xyz), TEX_FLAGS(index))
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#endif
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#ifdef _ENABLE_TEX1D
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float _texcoord_xform(const in float coord, const in sampler_info params)
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{
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float result = fma(coord, params.scale_x, params.bias_x);
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if (_test_bit(params.flags, CLAMP_COORDS_BIT))
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{
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result = clamp(result, params.clamp_min_x, params.clamp_max_x);
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}
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return result;
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}
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#endif
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#ifdef _ENABLE_TEX2D
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vec2 _texcoord_xform(const in vec2 coord, const in sampler_info params)
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{
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vec2 result = fma(
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coord,
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vec2(params.scale_x, params.scale_y),
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vec2(params.bias_x, params.bias_y)
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);
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if (_test_bit(params.flags, CLAMP_COORDS_BIT))
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{
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result = clamp(
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result,
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vec2(params.clamp_min_x, params.clamp_min_y),
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vec2(params.clamp_max_x, params.clamp_max_y)
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);
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}
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return result;
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}
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#endif
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#if defined(_ENABLE_TEX3D) || defined(_ENABLE_SHADOWPROJ)
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vec3 _texcoord_xform(const in vec3 coord, const in sampler_info params)
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{
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vec3 result = fma(
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coord,
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vec3(params.scale_x, params.scale_y, params.scale_z),
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vec3(params.bias_x, params.bias_y, params.bias_z)
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);
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// NOTE: Coordinate clamping not supported for CUBE and 3D textures
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return result;
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}
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#endif
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#if defined(_ENABLE_SHADOW) && defined(_EMULATED_TEXSHADOW)
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#ifdef _ENABLE_TEX2D
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vec3 _texcoord_xform_shadow(const in vec3 coord3, const in sampler_info params)
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{
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vec3 result;
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if (_test_bit(params.flags, DEPTH_FLOAT))
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{
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// Depth-float buffer, extended range supported
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result.z = coord3.z;
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}
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else
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{
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// Clamp to MAX_DEPTH simulate UINT buffer behavior
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result.z = min(coord3.z, 1.);
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}
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result.xy = _texcoord_xform(coord3.xy, params);
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return result;
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}
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#endif // TEX2D
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#ifdef _ENABLE_TEX3D
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vec4 _texcoord_xform_shadow(const in vec4 coord4, const in sampler_info params)
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{
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vec4 result;
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if (_test_bit(params.flags, DEPTH_FLOAT))
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{
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// Depth-float buffer, extended range supported
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result.w = coord4.w;
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}
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else
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{
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// Clamp to MAX_DEPTH to simulate UINT buffer behavior
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result.w = min(coord4.w, 1.);
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}
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result.xyz = _texcoord_xform(coord4.xyz, params);
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return result;
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}
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#endif // TEX3D
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#endif // _EMULATE_SHADOW
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vec4 _sext_unorm8x4(const in vec4 x)
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{
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// TODO: Handle clamped sign-extension
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const vec4 bits = floor(fma(x, vec4(255.f), vec4(0.5f)));
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const bvec4 sign_check = lessThan(bits, vec4(128.f));
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const vec4 ret = _select(bits - 256.f, bits, sign_check);
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return ret / 127.f;
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}
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vec4 _process_texel(in vec4 rgba, const in uint control_bits)
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{
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if (control_bits == 0)
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{
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return rgba;
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}
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if (_test_bit(control_bits, ALPHAKILL))
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{
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// Alphakill
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if (rgba.a < 0.000001)
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{
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_kill();
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return rgba;
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}
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}
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if (_test_bit(control_bits, RENORMALIZE))
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{
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// Renormalize to 8-bit (PS3) accuracy
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rgba = floor(rgba * 255.);
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rgba /= 255.;
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}
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uvec4 mask;
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vec4 convert;
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uint op_mask = control_bits & uint(SIGN_EXPAND_MASK);
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if (op_mask != 0u)
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{
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// Expand to signed normalized by decompressing the signal
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mask = uvec4(op_mask) & uvec4(EXPAND_R_MASK, EXPAND_G_MASK, EXPAND_B_MASK, EXPAND_A_MASK);
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convert = (rgba * 2.f - 1.f);
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rgba = _select(rgba, convert, notEqual(mask, uvec4(0)));
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}
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op_mask = control_bits & uint(SEXT_MASK);
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if (op_mask != 0u)
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{
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// Sign-extend the input signal
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mask = uvec4(op_mask) & uvec4(SEXT_R_MASK, SEXT_G_MASK, SEXT_B_MASK, SEXT_A_MASK);
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convert = _sext_unorm8x4(rgba);
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rgba = _select(rgba, convert, notEqual(mask, uvec4(0)));
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}
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op_mask = control_bits & uint(GAMMA_CTRL_MASK);
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if (op_mask != 0u)
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{
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// Gamma correction
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mask = uvec4(op_mask) & uvec4(GAMMA_R_MASK, GAMMA_G_MASK, GAMMA_B_MASK, GAMMA_A_MASK);
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convert = srgb_to_linear(rgba);
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return _select(rgba, convert, notEqual(mask, uvec4(0)));
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}
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return rgba;
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}
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)"
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