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@ -117,48 +117,53 @@ RasterizerOpenGL::RasterizerOpenGL() : shader_dirty(true) {
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// Setup the noise LUT for proctex
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proctex_noise_lut.Create();
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state.proctex_noise_lut.texture_1d = proctex_noise_lut.handle;
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state.proctex_noise_lut.texture_buffer = proctex_noise_lut.handle;
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state.Apply();
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proctex_noise_lut_buffer.Create();
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glBindBuffer(GL_TEXTURE_BUFFER, proctex_noise_lut_buffer.handle);
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glBufferData(GL_TEXTURE_BUFFER, sizeof(GLfloat) * 2 * 128, nullptr, GL_DYNAMIC_DRAW);
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glActiveTexture(TextureUnits::ProcTexNoiseLUT.Enum());
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glTexImage1D(GL_TEXTURE_1D, 0, GL_RG32F, 128, 0, GL_RG, GL_FLOAT, nullptr);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexBuffer(GL_TEXTURE_BUFFER, GL_RG32F, proctex_noise_lut_buffer.handle);
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// Setup the color map for proctex
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proctex_color_map.Create();
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state.proctex_color_map.texture_1d = proctex_color_map.handle;
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state.proctex_color_map.texture_buffer = proctex_color_map.handle;
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state.Apply();
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proctex_color_map_buffer.Create();
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glBindBuffer(GL_TEXTURE_BUFFER, proctex_color_map_buffer.handle);
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glBufferData(GL_TEXTURE_BUFFER, sizeof(GLfloat) * 2 * 128, nullptr, GL_DYNAMIC_DRAW);
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glActiveTexture(TextureUnits::ProcTexColorMap.Enum());
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glTexImage1D(GL_TEXTURE_1D, 0, GL_RG32F, 128, 0, GL_RG, GL_FLOAT, nullptr);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexBuffer(GL_TEXTURE_BUFFER, GL_RG32F, proctex_color_map_buffer.handle);
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// Setup the alpha map for proctex
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proctex_alpha_map.Create();
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state.proctex_alpha_map.texture_1d = proctex_alpha_map.handle;
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state.proctex_alpha_map.texture_buffer = proctex_alpha_map.handle;
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state.Apply();
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proctex_alpha_map_buffer.Create();
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glBindBuffer(GL_TEXTURE_BUFFER, proctex_alpha_map_buffer.handle);
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glBufferData(GL_TEXTURE_BUFFER, sizeof(GLfloat) * 2 * 128, nullptr, GL_DYNAMIC_DRAW);
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glActiveTexture(TextureUnits::ProcTexAlphaMap.Enum());
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glTexImage1D(GL_TEXTURE_1D, 0, GL_RG32F, 128, 0, GL_RG, GL_FLOAT, nullptr);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexBuffer(GL_TEXTURE_BUFFER, GL_RG32F, proctex_alpha_map_buffer.handle);
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// Setup the LUT for proctex
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proctex_lut.Create();
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state.proctex_lut.texture_1d = proctex_lut.handle;
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state.proctex_lut.texture_buffer = proctex_lut.handle;
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state.Apply();
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proctex_lut_buffer.Create();
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glBindBuffer(GL_TEXTURE_BUFFER, proctex_lut_buffer.handle);
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glBufferData(GL_TEXTURE_BUFFER, sizeof(GLfloat) * 4 * 256, nullptr, GL_DYNAMIC_DRAW);
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glActiveTexture(TextureUnits::ProcTexLUT.Enum());
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glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA32F, 256, 0, GL_RGBA, GL_FLOAT, nullptr);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexBuffer(GL_TEXTURE_BUFFER, GL_RGBA32F, proctex_lut_buffer.handle);
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// Setup the difference LUT for proctex
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proctex_diff_lut.Create();
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state.proctex_diff_lut.texture_1d = proctex_diff_lut.handle;
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state.proctex_diff_lut.texture_buffer = proctex_diff_lut.handle;
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state.Apply();
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proctex_diff_lut_buffer.Create();
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glBindBuffer(GL_TEXTURE_BUFFER, proctex_diff_lut_buffer.handle);
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glBufferData(GL_TEXTURE_BUFFER, sizeof(GLfloat) * 4 * 256, nullptr, GL_DYNAMIC_DRAW);
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glActiveTexture(TextureUnits::ProcTexDiffLUT.Enum());
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glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA32F, 256, 0, GL_RGBA, GL_FLOAT, nullptr);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexBuffer(GL_TEXTURE_BUFFER, GL_RGBA32F, proctex_diff_lut_buffer.handle);
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// Sync fixed function OpenGL state
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SyncCullMode();
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@ -1387,7 +1392,7 @@ void RasterizerOpenGL::SyncProcTexNoise() {
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// helper function for SyncProcTexNoiseLUT/ColorMap/AlphaMap
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static void SyncProcTexValueLUT(const std::array<Pica::State::ProcTex::ValueEntry, 128>& lut,
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std::array<GLvec2, 128>& lut_data, GLenum texture) {
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std::array<GLvec2, 128>& lut_data, GLuint buffer) {
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std::array<GLvec2, 128> new_data;
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std::transform(lut.begin(), lut.end(), new_data.begin(), [](const auto& entry) {
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return GLvec2{entry.ToFloat(), entry.DiffToFloat()};
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@ -1395,24 +1400,24 @@ static void SyncProcTexValueLUT(const std::array<Pica::State::ProcTex::ValueEntr
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if (new_data != lut_data) {
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lut_data = new_data;
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glActiveTexture(texture);
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glTexSubImage1D(GL_TEXTURE_1D, 0, 0, 128, GL_RG, GL_FLOAT, lut_data.data());
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glBindBuffer(GL_TEXTURE_BUFFER, buffer);
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glBufferSubData(GL_TEXTURE_BUFFER, 0, new_data.size() * sizeof(GLvec2), new_data.data());
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}
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}
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void RasterizerOpenGL::SyncProcTexNoiseLUT() {
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SyncProcTexValueLUT(Pica::g_state.proctex.noise_table, proctex_noise_lut_data,
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TextureUnits::ProcTexNoiseLUT.Enum());
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proctex_noise_lut_buffer.handle);
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}
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void RasterizerOpenGL::SyncProcTexColorMap() {
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SyncProcTexValueLUT(Pica::g_state.proctex.color_map_table, proctex_color_map_data,
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TextureUnits::ProcTexColorMap.Enum());
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proctex_color_map_buffer.handle);
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}
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void RasterizerOpenGL::SyncProcTexAlphaMap() {
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SyncProcTexValueLUT(Pica::g_state.proctex.alpha_map_table, proctex_alpha_map_data,
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TextureUnits::ProcTexAlphaMap.Enum());
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proctex_alpha_map_buffer.handle);
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}
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void RasterizerOpenGL::SyncProcTexLUT() {
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@ -1427,8 +1432,8 @@ void RasterizerOpenGL::SyncProcTexLUT() {
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if (new_data != proctex_lut_data) {
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proctex_lut_data = new_data;
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glActiveTexture(TextureUnits::ProcTexLUT.Enum());
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glTexSubImage1D(GL_TEXTURE_1D, 0, 0, 256, GL_RGBA, GL_FLOAT, proctex_lut_data.data());
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glBindBuffer(GL_TEXTURE_BUFFER, proctex_lut_buffer.handle);
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glBufferSubData(GL_TEXTURE_BUFFER, 0, new_data.size() * sizeof(GLvec4), new_data.data());
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}
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}
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@ -1444,8 +1449,8 @@ void RasterizerOpenGL::SyncProcTexDiffLUT() {
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if (new_data != proctex_diff_lut_data) {
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proctex_diff_lut_data = new_data;
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glActiveTexture(TextureUnits::ProcTexDiffLUT.Enum());
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glTexSubImage1D(GL_TEXTURE_1D, 0, 0, 256, GL_RGBA, GL_FLOAT, proctex_diff_lut_data.data());
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glBindBuffer(GL_TEXTURE_BUFFER, proctex_diff_lut_buffer.handle);
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glBufferSubData(GL_TEXTURE_BUFFER, 0, new_data.size() * sizeof(GLvec4), new_data.data());
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}
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}
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