diff options
Diffstat (limited to 'src/GPU3D_OpenGL.cpp')
| -rw-r--r-- | src/GPU3D_OpenGL.cpp | 110 |
1 files changed, 102 insertions, 8 deletions
diff --git a/src/GPU3D_OpenGL.cpp b/src/GPU3D_OpenGL.cpp index 264d3b9..f8ed773 100644 --- a/src/GPU3D_OpenGL.cpp +++ b/src/GPU3D_OpenGL.cpp @@ -47,12 +47,19 @@ GLuint ClearShaderPlain[3]; GLuint RenderShader[16][3]; GLuint CurShaderID = -1; +GLuint FinalPassShader[3]; + struct { float uScreenSize[2]; u32 uDispCnt; u32 __pad0; float uToonColors[32][4]; + float uEdgeColors[8][4]; + float uFogColor[4]; + float uFogDensity[34][4]; + u32 uFogOffset; + u32 uFogShift; } ShaderConfig; @@ -176,6 +183,8 @@ void SetupDefaultTexParams(GLuint tex) bool Init() { + GLint uni_id; + const GLubyte* renderer = glGetString(GL_RENDERER); // get renderer string const GLubyte* version = glGetString(GL_VERSION); // version as a string printf("OpenGL: renderer: %s\n", renderer); @@ -216,6 +225,23 @@ bool Init() kRenderVS_W, kRenderFS_WSM)) return false; + if (!OpenGL_BuildShaderProgram(kFinalPassVS, kFinalPassFS, FinalPassShader, "FinalPassShader")) + return false; + + uni_id = glGetUniformBlockIndex(FinalPassShader[2], "uConfig"); + glUniformBlockBinding(FinalPassShader[2], uni_id, 0); + + glBindAttribLocation(FinalPassShader[2], 0, "vPosition"); + glBindFragDataLocation(FinalPassShader[2], 0, "oColor"); + + glUseProgram(FinalPassShader[2]); + + uni_id = glGetUniformLocation(FinalPassShader[2], "DepthBuffer"); + glUniform1i(uni_id, 0); + uni_id = glGetUniformLocation(FinalPassShader[2], "AttrBuffer"); + glUniform1i(uni_id, 1); + + memset(&ShaderConfig, 0, sizeof(ShaderConfig)); glGenBuffers(1, &ShaderConfigUBO); @@ -277,8 +303,8 @@ bool Init() // attribute buffer // R: opaque polyID (for edgemarking) - // G: opaque polyID (for shadows, suppressed when rendering translucent polygons) - // B: stencil flag + // G: edge flag + // B: fog flag SetupDefaultTexParams(FramebufferTex[5]); SetupDefaultTexParams(FramebufferTex[7]); @@ -447,6 +473,7 @@ void SetupPolygon(RendererPolygon* rp, Polygon* polygon) if (polygon->IsShadow) rp->RenderKey |= 0x20000; else rp->RenderKey |= 0x10000; rp->RenderKey |= (polygon->Attr >> 10) & 0x2; // bit11 - depth write + rp->RenderKey |= (polygon->Attr >> 13) & 0x4; // bit15 - fog rp->RenderKey |= (polygon->Attr & 0x3F000000) >> 16; // polygon ID } else @@ -579,11 +606,13 @@ void RenderSceneChunk(int y, int h) if (h != 192) glScissor(0, y<<ScaleFactor, 256<<ScaleFactor, h<<ScaleFactor); + GLboolean fogenable = (RenderDispCnt & (1<<7)) ? GL_TRUE : GL_FALSE; + // pass 1: opaque pixels UseRenderShader(flags); - glColorMaski(1, GL_FALSE, GL_TRUE, GL_FALSE, GL_FALSE); + glColorMaski(1, GL_TRUE, GL_FALSE, fogenable, GL_FALSE); glDepthFunc(GL_LESS); glDepthMask(GL_TRUE); @@ -614,8 +643,6 @@ void RenderSceneChunk(int y, int h) if (NumOpaqueFinalPolys > -1) { - glColorMaski(1, GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); - // pass 2: if needed, render translucent pixels that are against background pixels // when background alpha is zero, those need to be rendered with blending disabled @@ -653,6 +680,10 @@ void RenderSceneChunk(int y, int h) u32 polyattr = rp->PolyData->Attr; u32 polyid = (polyattr >> 24) & 0x3F; + GLboolean transfog; + if (!(polyattr & (1<<15))) transfog = fogenable; + else transfog = GL_FALSE; + if (rp->PolyData->IsShadow) { // shadow against clear-plane will only pass if its polyID matches that of the clear plane @@ -661,7 +692,7 @@ void RenderSceneChunk(int y, int h) glEnable(GL_BLEND); glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); - glColorMaski(1, GL_FALSE, GL_TRUE, GL_FALSE, GL_FALSE); + glColorMaski(1, GL_FALSE, GL_FALSE, transfog, GL_FALSE); glStencilFunc(GL_EQUAL, 0xFE, 0xFF); glStencilOp(GL_KEEP, GL_KEEP, GL_INVERT); @@ -674,6 +705,9 @@ void RenderSceneChunk(int y, int h) } else { + glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); + glColorMaski(1, GL_FALSE, GL_FALSE, transfog, GL_FALSE); + glStencilFunc(GL_EQUAL, 0xFF, 0xFE); glStencilOp(GL_KEEP, GL_KEEP, GL_INVERT); glStencilMask(~(0x40|polyid)); // heheh @@ -727,6 +761,10 @@ void RenderSceneChunk(int y, int h) u32 polyattr = rp->PolyData->Attr; u32 polyid = (polyattr >> 24) & 0x3F; + GLboolean transfog; + if (!(polyattr & (1<<15))) transfog = fogenable; + else transfog = GL_FALSE; + // zorp glDepthFunc(GL_LESS); @@ -744,7 +782,7 @@ void RenderSceneChunk(int y, int h) glEnable(GL_BLEND); glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); - glColorMaski(1, GL_FALSE, GL_TRUE, GL_FALSE, GL_FALSE); + glColorMaski(1, GL_FALSE, GL_FALSE, transfog, GL_FALSE); glStencilFunc(GL_EQUAL, 0xC0|polyid, 0x80); glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE); @@ -760,7 +798,7 @@ void RenderSceneChunk(int y, int h) { glEnable(GL_BLEND); glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); - glColorMaski(1, GL_FALSE, GL_TRUE, GL_FALSE, GL_FALSE); + glColorMaski(1, GL_FALSE, GL_FALSE, transfog, GL_FALSE); glStencilFunc(GL_NOTEQUAL, 0x40|polyid, 0x7F); glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE); @@ -778,11 +816,33 @@ void RenderSceneChunk(int y, int h) } glFlush(); + + if (RenderDispCnt & 0x00A0) // fog/edge enabled + { + glUseProgram(FinalPassShader[2]); + + glDepthFunc(GL_ALWAYS); + glDepthMask(GL_FALSE); + glStencilFunc(GL_ALWAYS, 0, 0); + glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); + glStencilMask(0); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, FramebufferTex[4]); + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D, FramebufferTex[5]); + + glBindBuffer(GL_ARRAY_BUFFER, ClearVertexBufferID); + glBindVertexArray(ClearVertexArrayID); + glDrawArrays(GL_TRIANGLES, 0, 2*3); + } } void RenderFrame() { + CurShaderID = -1; + ShaderConfig.uScreenSize[0] = ScreenW; ShaderConfig.uScreenSize[1] = ScreenH; ShaderConfig.uDispCnt = RenderDispCnt; @@ -799,6 +859,40 @@ void RenderFrame() ShaderConfig.uToonColors[i][2] = (float)b / 31.0; } + for (int i = 0; i < 8; i++) + { + u16 c = RenderEdgeTable[i]; + u32 r = c & 0x1F; + u32 g = (c >> 5) & 0x1F; + u32 b = (c >> 10) & 0x1F; + + ShaderConfig.uEdgeColors[i][0] = (float)r / 31.0; + ShaderConfig.uEdgeColors[i][1] = (float)g / 31.0; + ShaderConfig.uEdgeColors[i][2] = (float)b / 31.0; + } + + { + u32 c = RenderFogColor; + u32 r = c & 0x1F; + u32 g = (c >> 5) & 0x1F; + u32 b = (c >> 10) & 0x1F; + u32 a = (c >> 16) & 0x1F; + + ShaderConfig.uFogColor[0] = (float)r / 31.0; + ShaderConfig.uFogColor[1] = (float)g / 31.0; + ShaderConfig.uFogColor[2] = (float)b / 31.0; + ShaderConfig.uFogColor[3] = (float)a / 31.0; + } + + for (int i = 0; i < 34; i++) + { + u8 d = RenderFogDensityTable[i]; + ShaderConfig.uFogDensity[i][0] = (float)d / 127.0; + } + + ShaderConfig.uFogOffset = RenderFogOffset; + ShaderConfig.uFogShift = RenderFogShift; + glBindBuffer(GL_UNIFORM_BUFFER, ShaderConfigUBO); void* unibuf = glMapBuffer(GL_UNIFORM_BUFFER, GL_WRITE_ONLY); if (unibuf) memcpy(unibuf, &ShaderConfig, sizeof(ShaderConfig)); |