diff options
Diffstat (limited to 'src/video_core/renderer_opengl')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.cpp | 141 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.h | 61 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_gen.cpp | 53 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_util.h | 2 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/pica_to_gl.h | 7 |
5 files changed, 259 insertions, 5 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index 6441e2586..1e51a7655 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -75,6 +75,12 @@ void RasterizerOpenGL::InitObjects() { glEnableVertexAttribArray(GLShader::ATTRIBUTE_TEXCOORD1); glEnableVertexAttribArray(GLShader::ATTRIBUTE_TEXCOORD2); + glVertexAttribPointer(GLShader::ATTRIBUTE_NORMQUAT, 4, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, normquat)); + glEnableVertexAttribArray(GLShader::ATTRIBUTE_NORMQUAT); + + glVertexAttribPointer(GLShader::ATTRIBUTE_VIEW, 3, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, view)); + glEnableVertexAttribArray(GLShader::ATTRIBUTE_VIEW); + SetShader(); // Create textures for OGL framebuffer that will be rendered to, initially 1x1 to succeed in framebuffer creation @@ -283,6 +289,98 @@ void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) { case PICA_REG_INDEX(tev_combiner_buffer_color): SyncCombinerColor(); break; + + // Fragment lighting diffuse color + case PICA_REG_INDEX_WORKAROUND(lighting.light[0].diffuse, 0x142 + 0 * 0x10): + SyncLightDiffuse(0); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[1].diffuse, 0x142 + 1 * 0x10): + SyncLightDiffuse(1); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[2].diffuse, 0x142 + 2 * 0x10): + SyncLightDiffuse(2); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[3].diffuse, 0x142 + 3 * 0x10): + SyncLightDiffuse(3); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[4].diffuse, 0x142 + 4 * 0x10): + SyncLightDiffuse(4); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[5].diffuse, 0x142 + 5 * 0x10): + SyncLightDiffuse(5); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[6].diffuse, 0x142 + 6 * 0x10): + SyncLightDiffuse(6); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[7].diffuse, 0x142 + 7 * 0x10): + SyncLightDiffuse(7); + break; + + // Fragment lighting ambient color + case PICA_REG_INDEX_WORKAROUND(lighting.light[0].ambient, 0x143 + 0 * 0x10): + SyncLightAmbient(0); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[1].ambient, 0x143 + 1 * 0x10): + SyncLightAmbient(1); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[2].ambient, 0x143 + 2 * 0x10): + SyncLightAmbient(2); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[3].ambient, 0x143 + 3 * 0x10): + SyncLightAmbient(3); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[4].ambient, 0x143 + 4 * 0x10): + SyncLightAmbient(4); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[5].ambient, 0x143 + 5 * 0x10): + SyncLightAmbient(5); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[6].ambient, 0x143 + 6 * 0x10): + SyncLightAmbient(6); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[7].ambient, 0x143 + 7 * 0x10): + SyncLightAmbient(7); + break; + + // Fragment lighting position + case PICA_REG_INDEX_WORKAROUND(lighting.light[0].x, 0x144 + 0 * 0x10): + case PICA_REG_INDEX_WORKAROUND(lighting.light[0].z, 0x145 + 0 * 0x10): + SyncLightPosition(0); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[1].x, 0x144 + 1 * 0x10): + case PICA_REG_INDEX_WORKAROUND(lighting.light[1].z, 0x145 + 1 * 0x10): + SyncLightPosition(1); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[2].x, 0x144 + 2 * 0x10): + case PICA_REG_INDEX_WORKAROUND(lighting.light[2].z, 0x145 + 2 * 0x10): + SyncLightPosition(2); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[3].x, 0x144 + 3 * 0x10): + case PICA_REG_INDEX_WORKAROUND(lighting.light[3].z, 0x145 + 3 * 0x10): + SyncLightPosition(3); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[4].x, 0x144 + 4 * 0x10): + case PICA_REG_INDEX_WORKAROUND(lighting.light[4].z, 0x145 + 4 * 0x10): + SyncLightPosition(4); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[5].x, 0x144 + 5 * 0x10): + case PICA_REG_INDEX_WORKAROUND(lighting.light[5].z, 0x145 + 5 * 0x10): + SyncLightPosition(5); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[6].x, 0x144 + 6 * 0x10): + case PICA_REG_INDEX_WORKAROUND(lighting.light[6].z, 0x145 + 6 * 0x10): + SyncLightPosition(6); + break; + case PICA_REG_INDEX_WORKAROUND(lighting.light[7].x, 0x144 + 7 * 0x10): + case PICA_REG_INDEX_WORKAROUND(lighting.light[7].z, 0x145 + 7 * 0x10): + SyncLightPosition(7); + break; + + // Fragment lighting global ambient color (emission + ambient * ambient) + case PICA_REG_INDEX_WORKAROUND(lighting.global_ambient, 0x1c0): + SyncGlobalAmbient(); + break; + } } @@ -503,6 +601,13 @@ void RasterizerOpenGL::SetShader() { auto& tev_stages = Pica::g_state.regs.GetTevStages(); for (int index = 0; index < tev_stages.size(); ++index) SyncTevConstColor(index, tev_stages[index]); + + SyncGlobalAmbient(); + for (int light_index = 0; light_index < 8; light_index++) { + SyncLightDiffuse(light_index); + SyncLightAmbient(light_index); + SyncLightPosition(light_index); + } } void RasterizerOpenGL::SyncFramebuffer() { @@ -683,6 +788,42 @@ void RasterizerOpenGL::SyncTevConstColor(int stage_index, const Pica::Regs::TevS } } +void RasterizerOpenGL::SyncGlobalAmbient() { + auto color = PicaToGL::LightColor(Pica::g_state.regs.lighting.global_ambient); + if (color != uniform_block_data.data.lighting_global_ambient) { + uniform_block_data.data.lighting_global_ambient = color; + uniform_block_data.dirty = true; + } +} + +void RasterizerOpenGL::SyncLightDiffuse(int light_index) { + auto color = PicaToGL::LightColor(Pica::g_state.regs.lighting.light[light_index].diffuse); + if (color != uniform_block_data.data.light_src[light_index].diffuse) { + uniform_block_data.data.light_src[light_index].diffuse = color; + uniform_block_data.dirty = true; + } +} + +void RasterizerOpenGL::SyncLightAmbient(int light_index) { + auto color = PicaToGL::LightColor(Pica::g_state.regs.lighting.light[light_index].ambient); + if (color != uniform_block_data.data.light_src[light_index].ambient) { + uniform_block_data.data.light_src[light_index].ambient = color; + uniform_block_data.dirty = true; + } +} + +void RasterizerOpenGL::SyncLightPosition(int light_index) { + std::array<GLfloat, 3> position = { + Pica::float16::FromRawFloat16(Pica::g_state.regs.lighting.light[light_index].x).ToFloat32(), + Pica::float16::FromRawFloat16(Pica::g_state.regs.lighting.light[light_index].y).ToFloat32(), + Pica::float16::FromRawFloat16(Pica::g_state.regs.lighting.light[light_index].z).ToFloat32() }; + + if (position != uniform_block_data.data.light_src[light_index].position) { + uniform_block_data.data.light_src[light_index].position = position; + uniform_block_data.dirty = true; + } +} + void RasterizerOpenGL::SyncDrawState() { const auto& regs = Pica::g_state.regs; diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h index 569beaa5c..698ca5c4c 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.h +++ b/src/video_core/renderer_opengl/gl_rasterizer.h @@ -71,6 +71,18 @@ struct PicaShaderConfig { regs.tev_combiner_buffer_input.update_mask_rgb.Value() | regs.tev_combiner_buffer_input.update_mask_a.Value() << 4; + // Fragment lighting + + res.lighting_enabled = !regs.lighting.disable; + res.num_lights = regs.lighting.src_num + 1; + + for (unsigned light_index = 0; light_index < res.num_lights; ++light_index) { + unsigned num = regs.lighting.light_enable.GetNum(light_index); + res.light_src[light_index].num = num; + res.light_src[light_index].directional = regs.lighting.light[num].w; + res.light_src[light_index].two_sided_diffuse = regs.lighting.light[num].two_sided_diffuse; + } + return res; } @@ -89,6 +101,16 @@ struct PicaShaderConfig { Pica::Regs::CompareFunc alpha_test_func; std::array<Pica::Regs::TevStageConfig, 6> tev_stages = {}; u8 combiner_buffer_input; + + struct { + unsigned num; + bool directional; + bool two_sided_diffuse; + bool dist_atten_enabled; + } light_src[8]; + + bool lighting_enabled; + unsigned num_lights; }; namespace std { @@ -182,6 +204,13 @@ private: tex_coord1[1] = v.tc1.y.ToFloat32(); tex_coord2[0] = v.tc2.x.ToFloat32(); tex_coord2[1] = v.tc2.y.ToFloat32(); + normquat[0] = v.quat.x.ToFloat32(); + normquat[1] = v.quat.y.ToFloat32(); + normquat[2] = v.quat.z.ToFloat32(); + normquat[3] = v.quat.w.ToFloat32(); + view[0] = v.view.x.ToFloat32(); + view[1] = v.view.y.ToFloat32(); + view[2] = v.view.z.ToFloat32(); } GLfloat position[4]; @@ -189,6 +218,17 @@ private: GLfloat tex_coord0[2]; GLfloat tex_coord1[2]; GLfloat tex_coord2[2]; + GLfloat normquat[4]; + GLfloat view[3]; + }; + + struct LightSrc { + std::array<GLfloat, 3> diffuse; + INSERT_PADDING_WORDS(1); + std::array<GLfloat, 3> ambient; + INSERT_PADDING_WORDS(1); + std::array<GLfloat, 3> position; + INSERT_PADDING_WORDS(1); }; /// Uniform structure for the Uniform Buffer Object, all members must be 16-byte aligned @@ -198,11 +238,14 @@ private: std::array<GLfloat, 4> tev_combiner_buffer_color; GLint alphatest_ref; GLfloat depth_offset; - INSERT_PADDING_BYTES(8); + INSERT_PADDING_WORDS(2); + std::array<GLfloat, 3> lighting_global_ambient; + INSERT_PADDING_WORDS(1); + LightSrc light_src[8]; }; - static_assert(sizeof(UniformData) == 0x80, "The size of the UniformData structure has changed, update the structure in the shader"); - static_assert(sizeof(UniformData) < 16000, "UniformData structure must be less than 16kb as per the OpenGL spec"); + static_assert(sizeof(UniformData) == 0x210, "The size of the UniformData structure has changed, update the structure in the shader"); + static_assert(sizeof(UniformData) < 16384, "UniformData structure must be less than 16kb as per the OpenGL spec"); /// Reconfigure the OpenGL color texture to use the given format and dimensions void ReconfigureColorTexture(TextureInfo& texture, Pica::Regs::ColorFormat format, u32 width, u32 height); @@ -249,6 +292,18 @@ private: /// Syncs the TEV combiner color buffer to match the PICA register void SyncCombinerColor(); + /// Syncs the lighting global ambient color to match the PICA register + void SyncGlobalAmbient(); + + /// Syncs the specified light's diffuse color to match the PICA register + void SyncLightDiffuse(int light_index); + + /// Syncs the specified light's ambient color to match the PICA register + void SyncLightAmbient(int light_index); + + /// Syncs the specified light's position to match the PICA register + void SyncLightPosition(int light_index); + /// Syncs the remaining OpenGL drawing state to match the current PICA state void SyncDrawState(); diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index 22022f7f4..5bc588b0b 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -32,8 +32,7 @@ static void AppendSource(std::string& out, TevStageConfig::Source source, out += "primary_color"; break; case Source::PrimaryFragmentColor: - // HACK: Until we implement fragment lighting, use primary_color - out += "primary_color"; + out += "primary_fragment_color"; break; case Source::SecondaryFragmentColor: // HACK: Until we implement fragment lighting, use zero @@ -324,24 +323,67 @@ std::string GenerateFragmentShader(const PicaShaderConfig& config) { std::string out = R"( #version 330 core #define NUM_TEV_STAGES 6 +#define NUM_LIGHTS 8 in vec4 primary_color; in vec2 texcoord[3]; +in vec4 normquat; +in vec3 view; out vec4 color; +struct LightSrc { + vec3 diffuse; + vec3 ambient; + vec3 position; +}; + layout (std140) uniform shader_data { vec4 const_color[NUM_TEV_STAGES]; vec4 tev_combiner_buffer_color; int alphatest_ref; float depth_offset; + vec3 lighting_global_ambient; + LightSrc light_src[NUM_LIGHTS]; }; uniform sampler2D tex[3]; void main() { +vec4 primary_fragment_color = vec4(0.0); )"; + if (config.lighting_enabled) { + out += "vec3 normal = normalize(vec3(\n"; + out += " 2.f*(normquat.x*normquat.z + normquat.y*normquat.w),\n"; + out += " 2.f*(normquat.y*normquat.z + normquat.x*normquat.w),\n"; + out += " 1.f - 2.f*(normquat.x*normquat.x + normquat.y*normquat.y)));\n"; + out += "vec4 secondary_color = vec4(0.0);\n"; + out += "vec3 diffuse_sum = vec3(0.0);\n"; + out += "vec3 fragment_position = -view;\n"; + + for (unsigned light_index = 0; light_index < config.num_lights; ++light_index) { + unsigned num = config.light_src[light_index].num; + + std::string light_vector; + if (config.light_src[light_index].directional) + light_vector = "normalize(-light_src[" + std::to_string(num) + "].position)"; + else + light_vector = "normalize(light_src[" + std::to_string(num) + "].position - fragment_position)"; + + std::string dot_product; + if (config.light_src[light_index].two_sided_diffuse) + dot_product = "abs(dot(" + light_vector + ", normal))"; + else + dot_product = "max(dot(" + light_vector + ", normal), 0.0)"; + + out += "diffuse_sum += ((light_src[" + std::to_string(num) + "].diffuse * " + dot_product + ") + light_src[" + std::to_string(num) + "].ambient) * 1.0;\n"; + } + + out += "diffuse_sum += lighting_global_ambient;\n"; + out += "primary_fragment_color = vec4(clamp(diffuse_sum, vec3(0.0), vec3(1.0)), 1.0);\n"; + } + // Do not do any sort of processing if it's obvious we're not going to pass the alpha test if (config.alpha_test_func == Regs::CompareFunc::Never) { out += "discard; }"; @@ -369,21 +411,28 @@ void main() { std::string GenerateVertexShader() { std::string out = "#version 330 core\n"; + out += "layout(location = " + std::to_string((int)ATTRIBUTE_POSITION) + ") in vec4 vert_position;\n"; out += "layout(location = " + std::to_string((int)ATTRIBUTE_COLOR) + ") in vec4 vert_color;\n"; out += "layout(location = " + std::to_string((int)ATTRIBUTE_TEXCOORD0) + ") in vec2 vert_texcoord0;\n"; out += "layout(location = " + std::to_string((int)ATTRIBUTE_TEXCOORD1) + ") in vec2 vert_texcoord1;\n"; out += "layout(location = " + std::to_string((int)ATTRIBUTE_TEXCOORD2) + ") in vec2 vert_texcoord2;\n"; + out += "layout(location = " + std::to_string((int)ATTRIBUTE_NORMQUAT) + ") in vec4 vert_normquat;\n"; + out += "layout(location = " + std::to_string((int)ATTRIBUTE_VIEW) + ") in vec3 vert_view;\n"; out += R"( out vec4 primary_color; out vec2 texcoord[3]; +out vec4 normquat; +out vec3 view; void main() { primary_color = vert_color; texcoord[0] = vert_texcoord0; texcoord[1] = vert_texcoord1; texcoord[2] = vert_texcoord2; + normquat = vert_normquat; + view = vert_view; gl_Position = vec4(vert_position.x, vert_position.y, -vert_position.z, vert_position.w); } )"; diff --git a/src/video_core/renderer_opengl/gl_shader_util.h b/src/video_core/renderer_opengl/gl_shader_util.h index 046aae14f..097242f6f 100644 --- a/src/video_core/renderer_opengl/gl_shader_util.h +++ b/src/video_core/renderer_opengl/gl_shader_util.h @@ -14,6 +14,8 @@ enum Attributes { ATTRIBUTE_TEXCOORD0, ATTRIBUTE_TEXCOORD1, ATTRIBUTE_TEXCOORD2, + ATTRIBUTE_NORMQUAT, + ATTRIBUTE_VIEW, }; /** diff --git a/src/video_core/renderer_opengl/pica_to_gl.h b/src/video_core/renderer_opengl/pica_to_gl.h index 04c1d1a34..346c9391d 100644 --- a/src/video_core/renderer_opengl/pica_to_gl.h +++ b/src/video_core/renderer_opengl/pica_to_gl.h @@ -183,4 +183,11 @@ inline std::array<GLfloat, 4> ColorRGBA8(const u32 color) { } }; } +inline std::array<GLfloat, 3> LightColor(const Pica::Regs::LightColor& color) { + return { { color.r / 255.0f, + color.g / 255.0f, + color.b / 255.0f + } }; +} + } // namespace |