// prim so we can special case for RECTANGLES :( void ComputeVertexShaderID(VertexShaderID *id, u32 vertType, int prim, bool useHWTransform) { bool doTexture = gstate.isTextureMapEnabled() && !gstate.isModeClear(); bool doTextureProjection = gstate.getUVGenMode() == GE_TEXMAP_TEXTURE_MATRIX; bool doShadeMapping = gstate.getUVGenMode() == GE_TEXMAP_ENVIRONMENT_MAP; bool hasColor = (vertType & GE_VTYPE_COL_MASK) != 0; bool hasNormal = (vertType & GE_VTYPE_NRM_MASK) != 0; bool hasTexcoord = (vertType & GE_VTYPE_TC_MASK) != 0; bool enableFog = gstate.isFogEnabled() && !gstate.isModeThrough() && !gstate.isModeClear(); bool lmode = gstate.isUsingSecondaryColor() && gstate.isLightingEnabled(); memset(id->d, 0, sizeof(id->d)); id->d[0] = lmode & 1; id->d[0] |= ((int)gstate.isModeThrough()) << 1; id->d[0] |= ((int)enableFog) << 2; id->d[0] |= (doTexture & 1) << 3; id->d[0] |= (hasColor & 1) << 4; if (doTexture) { id->d[0] |= (gstate_c.flipTexture & 1) << 5; id->d[0] |= (doTextureProjection & 1) << 6; } if (useHWTransform) { id->d[0] |= 1 << 8; id->d[0] |= (hasNormal & 1) << 9; // UV generation mode id->d[0] |= gstate.getUVGenMode() << 16; // The next bits are used differently depending on UVgen mode if (doTextureProjection) { id->d[0] |= gstate.getUVProjMode() << 18; } else if (doShadeMapping) { id->d[0] |= gstate.getUVLS0() << 18; id->d[0] |= gstate.getUVLS1() << 20; } // Bones if (vertTypeIsSkinningEnabled(vertType)) id->d[0] |= (TranslateNumBones(vertTypeGetNumBoneWeights(vertType)) - 1) << 22; // Okay, d[1] coming up. ============== if (gstate.isLightingEnabled() || doShadeMapping) { // Light bits for (int i = 0; i < 4; i++) { id->d[1] |= gstate.getLightComputation(i) << (i * 4); id->d[1] |= gstate.getLightType(i) << (i * 4 + 2); } id->d[1] |= (gstate.materialupdate & 7) << 16; for (int i = 0; i < 4; i++) { id->d[1] |= (gstate.isLightChanEnabled(i) & 1) << (20 + i); } } id->d[1] |= gstate.isLightingEnabled() << 24; id->d[1] |= (vertTypeGetWeightMask(vertType) >> GE_VTYPE_WEIGHT_SHIFT) << 25; id->d[1] |= gstate.areNormalsReversed() << 26; if (doTextureProjection && gstate.getUVProjMode() == GE_PROJMAP_UV) { id->d[1] |= ((vertType & GE_VTYPE_TC_MASK) >> GE_VTYPE_TC_SHIFT) << 27; // two bits } else {
void GenerateVertexShader(int prim, u32 vertType, char *buffer, bool useHWTransform) { char *p = buffer; // #define USE_FOR_LOOP #if defined(USING_GLES2) WRITE(p, "#version 100\n"); // GLSL ES 1.0 WRITE(p, "precision highp float;\n"); #elif !defined(FORCE_OPENGL_2_0) WRITE(p, "#version 110\n"); // Remove lowp/mediump in non-mobile implementations WRITE(p, "#define lowp\n"); WRITE(p, "#define mediump\n"); WRITE(p, "#define highp\n"); #else // Need to remove lowp/mediump for Mac WRITE(p, "#define lowp\n"); WRITE(p, "#define mediump\n"); WRITE(p, "#define highp\n"); #endif int lmode = gstate.isUsingSecondaryColor() && gstate.isLightingEnabled(); int doTexture = gstate.isTextureMapEnabled() && !gstate.isModeClear(); bool doTextureProjection = gstate.getUVGenMode() == GE_TEXMAP_TEXTURE_MATRIX; bool doShadeMapping = gstate.getUVGenMode() == GE_TEXMAP_ENVIRONMENT_MAP; bool hasColor = (vertType & GE_VTYPE_COL_MASK) != 0 || !useHWTransform; bool hasNormal = (vertType & GE_VTYPE_NRM_MASK) != 0 && useHWTransform; bool enableFog = gstate.isFogEnabled() && !gstate.isModeThrough() && !gstate.isModeClear(); bool throughmode = (vertType & GE_VTYPE_THROUGH_MASK) != 0; bool flipV = gstate_c.flipTexture; // This also means that we are texturing from a render target bool flipNormal = gstate.areNormalsReversed(); DoLightComputation doLight[4] = {LIGHT_OFF, LIGHT_OFF, LIGHT_OFF, LIGHT_OFF}; if (useHWTransform) { int shadeLight0 = doShadeMapping ? gstate.getUVLS0() : -1; int shadeLight1 = doShadeMapping ? gstate.getUVLS1() : -1; for (int i = 0; i < 4; i++) { if (i == shadeLight0 || i == shadeLight1) doLight[i] = LIGHT_SHADE; if (gstate.isLightingEnabled() && gstate.isLightChanEnabled(i)) doLight[i] = LIGHT_FULL; } } if (vertTypeIsSkinningEnabled(vertType)) { WRITE(p, "%s", boneWeightAttrDecl[TranslateNumBones(vertTypeGetNumBoneWeights(vertType))]); } if (useHWTransform) WRITE(p, "attribute vec3 position;\n"); else WRITE(p, "attribute vec4 position;\n"); // need to pass the fog coord in w if (useHWTransform && hasNormal) WRITE(p, "attribute mediump vec3 normal;\n"); if (doTexture) { if (!useHWTransform && doTextureProjection) WRITE(p, "attribute vec3 texcoord;\n"); else WRITE(p, "attribute vec2 texcoord;\n"); } if (hasColor) { WRITE(p, "attribute lowp vec4 color0;\n"); if (lmode && !useHWTransform) // only software transform supplies color1 as vertex data WRITE(p, "attribute lowp vec3 color1;\n"); } if (gstate.isModeThrough()) { WRITE(p, "uniform mat4 u_proj_through;\n"); } else { WRITE(p, "uniform mat4 u_proj;\n"); // Add all the uniforms we'll need to transform properly. } bool prescale = g_Config.bPrescaleUV && !throughmode && gstate.getTextureFunction() == 0; if (useHWTransform) { // When transforming by hardware, we need a great deal more uniforms... WRITE(p, "uniform mat4 u_world;\n"); WRITE(p, "uniform mat4 u_view;\n"); if (doTextureProjection) WRITE(p, "uniform mediump mat4 u_texmtx;\n"); if (vertTypeIsSkinningEnabled(vertType)) { int numBones = TranslateNumBones(vertTypeGetNumBoneWeights(vertType)); #ifdef USE_BONE_ARRAY WRITE(p, "uniform mediump mat4 u_bone[%i];\n", numBones); #else for (int i = 0; i < numBones; i++) { WRITE(p, "uniform mat4 u_bone%i;\n", i); } #endif } if (doTexture && (flipV || !prescale || gstate.getUVGenMode() == GE_TEXMAP_ENVIRONMENT_MAP || gstate.getUVGenMode() == GE_TEXMAP_TEXTURE_MATRIX)) { WRITE(p, "uniform vec4 u_uvscaleoffset;\n"); } for (int i = 0; i < 4; i++) { if (doLight[i] != LIGHT_OFF) { // This is needed for shade mapping WRITE(p, "uniform vec3 u_lightpos%i;\n", i); } if (doLight[i] == LIGHT_FULL) { GELightType type = gstate.getLightType(i); if (type != GE_LIGHTTYPE_DIRECTIONAL) WRITE(p, "uniform mediump vec3 u_lightatt%i;\n", i); if (type == GE_LIGHTTYPE_SPOT || type == GE_LIGHTTYPE_UNKNOWN) { WRITE(p, "uniform mediump vec3 u_lightdir%i;\n", i); WRITE(p, "uniform mediump float u_lightangle%i;\n", i); WRITE(p, "uniform mediump float u_lightspotCoef%i;\n", i); } WRITE(p, "uniform lowp vec3 u_lightambient%i;\n", i); WRITE(p, "uniform lowp vec3 u_lightdiffuse%i;\n", i); if (gstate.isUsingSpecularLight(i)) WRITE(p, "uniform lowp vec3 u_lightspecular%i;\n", i); } } if (gstate.isLightingEnabled()) { WRITE(p, "uniform lowp vec4 u_ambient;\n"); if ((gstate.materialupdate & 2) == 0) WRITE(p, "uniform lowp vec3 u_matdiffuse;\n"); // if ((gstate.materialupdate & 4) == 0) WRITE(p, "uniform lowp vec4 u_matspecular;\n"); // Specular coef is contained in alpha WRITE(p, "uniform lowp vec3 u_matemissive;\n"); } } if (useHWTransform || !hasColor) WRITE(p, "uniform lowp vec4 u_matambientalpha;\n"); // matambient + matalpha if (enableFog) { WRITE(p, "uniform highp vec2 u_fogcoef;\n"); } WRITE(p, "varying lowp vec4 v_color0;\n"); if (lmode) WRITE(p, "varying lowp vec3 v_color1;\n"); if (doTexture) { if (doTextureProjection) WRITE(p, "varying mediump vec3 v_texcoord;\n"); else WRITE(p, "varying mediump vec2 v_texcoord;\n"); } if (enableFog) { // See the fragment shader generator if (gl_extensions.gpuVendor == GPU_VENDOR_POWERVR) { WRITE(p, "varying highp float v_fogdepth;\n"); } else { WRITE(p, "varying mediump float v_fogdepth;\n"); } } WRITE(p, "void main() {\n"); if (!useHWTransform) { // Simple pass-through of vertex data to fragment shader if (doTexture) WRITE(p, " v_texcoord = texcoord;\n"); if (hasColor) { WRITE(p, " v_color0 = color0;\n"); if (lmode) WRITE(p, " v_color1 = color1;\n"); } else { WRITE(p, " v_color0 = u_matambientalpha;\n"); if (lmode) WRITE(p, " v_color1 = vec3(0.0);\n"); } if (enableFog) { WRITE(p, " v_fogdepth = position.w;\n"); } if (gstate.isModeThrough()) { WRITE(p, " gl_Position = u_proj_through * vec4(position.xyz, 1.0);\n"); } else { WRITE(p, " gl_Position = u_proj * vec4(position.xyz, 1.0);\n"); } } else { // Step 1: World Transform / Skinning if (!vertTypeIsSkinningEnabled(vertType)) { // No skinning, just standard T&L. WRITE(p, " vec3 worldpos = (u_world * vec4(position.xyz, 1.0)).xyz;\n"); if (hasNormal) WRITE(p, " mediump vec3 worldnormal = normalize((u_world * vec4(%snormal, 0.0)).xyz);\n", flipNormal ? "-" : ""); else WRITE(p, " mediump vec3 worldnormal = vec3(0.0, 0.0, 1.0);\n"); } else { int numWeights = TranslateNumBones(vertTypeGetNumBoneWeights(vertType)); static const char *rescale[4] = {"", " * 1.9921875", " * 1.999969482421875", ""}; // 2*127.5f/128.f, 2*32767.5f/32768.f, 1.0f}; const char *factor = rescale[vertTypeGetWeightMask(vertType) >> GE_VTYPE_WEIGHT_SHIFT]; static const char * const boneWeightAttr[8] = { "w1.x", "w1.y", "w1.z", "w1.w", "w2.x", "w2.y", "w2.z", "w2.w", }; #if defined(USE_FOR_LOOP) && defined(USE_BONE_ARRAY) // To loop through the weights, we unfortunately need to put them in a float array. // GLSL ES sucks - no way to directly initialize an array! switch (numWeights) { case 1: WRITE(p, " float w[1]; w[0] = w1;\n"); break; case 2: WRITE(p, " float w[2]; w[0] = w1.x; w[1] = w1.y;\n"); break; case 3: WRITE(p, " float w[3]; w[0] = w1.x; w[1] = w1.y; w[2] = w1.z;\n"); break; case 4: WRITE(p, " float w[4]; w[0] = w1.x; w[1] = w1.y; w[2] = w1.z; w[3] = w1.w;\n"); break; case 5: WRITE(p, " float w[5]; w[0] = w1.x; w[1] = w1.y; w[2] = w1.z; w[3] = w1.w; w[4] = w2;\n"); break; case 6: WRITE(p, " float w[6]; w[0] = w1.x; w[1] = w1.y; w[2] = w1.z; w[3] = w1.w; w[4] = w2.x; w[5] = w2.y;\n"); break; case 7: WRITE(p, " float w[7]; w[0] = w1.x; w[1] = w1.y; w[2] = w1.z; w[3] = w1.w; w[4] = w2.x; w[5] = w2.y; w[6] = w2.z;\n"); break; case 8: WRITE(p, " float w[8]; w[0] = w1.x; w[1] = w1.y; w[2] = w1.z; w[3] = w1.w; w[4] = w2.x; w[5] = w2.y; w[6] = w2.z; w[7] = w2.w;\n"); break; } WRITE(p, " mat4 skinMatrix = w[0] * u_bone[0];\n"); if (numWeights > 1) { WRITE(p, " for (int i = 1; i < %i; i++) {\n", numWeights); WRITE(p, " skinMatrix += w[i] * u_bone[i];\n"); WRITE(p, " }\n"); } #else #ifdef USE_BONE_ARRAY if (numWeights == 1) WRITE(p, " mat4 skinMatrix = w1 * u_bone[0]"); else WRITE(p, " mat4 skinMatrix = w1.x * u_bone[0]"); for (int i = 1; i < numWeights; i++) { const char *weightAttr = boneWeightAttr[i]; // workaround for "cant do .x of scalar" issue if (numWeights == 1 && i == 0) weightAttr = "w1"; if (numWeights == 5 && i == 4) weightAttr = "w2"; WRITE(p, " + %s * u_bone[%i]", weightAttr, i); } #else // Uncomment this to screw up bone shaders to check the vertex shader software fallback // WRITE(p, "THIS SHOULD ERROR! #error"); if (numWeights == 1) WRITE(p, " mat4 skinMatrix = w1 * u_bone0"); else WRITE(p, " mat4 skinMatrix = w1.x * u_bone0"); for (int i = 1; i < numWeights; i++) { const char *weightAttr = boneWeightAttr[i]; // workaround for "cant do .x of scalar" issue if (numWeights == 1 && i == 0) weightAttr = "w1"; if (numWeights == 5 && i == 4) weightAttr = "w2"; WRITE(p, " + %s * u_bone%i", weightAttr, i); } #endif #endif WRITE(p, ";\n"); // Trying to simplify this results in bugs in LBP... WRITE(p, " vec3 skinnedpos = (skinMatrix * vec4(position, 1.0)).xyz %s;\n", factor); WRITE(p, " vec3 worldpos = (u_world * vec4(skinnedpos, 1.0)).xyz;\n"); if (hasNormal) { WRITE(p, " mediump vec3 skinnednormal = (skinMatrix * vec4(%snormal, 0.0)).xyz %s;\n", flipNormal ? "-" : "", factor); WRITE(p, " mediump vec3 worldnormal = normalize((u_world * vec4(skinnednormal, 0.0)).xyz);\n"); } else { WRITE(p, " mediump vec3 worldnormal = (u_world * (skinMatrix * vec4(0.0, 0.0, 1.0, 0.0))).xyz;\n"); } } WRITE(p, " vec4 viewPos = u_view * vec4(worldpos, 1.0);\n"); // Final view and projection transforms. WRITE(p, " gl_Position = u_proj * viewPos;\n"); // TODO: Declare variables for dots for shade mapping if needed. const char *ambientStr = (gstate.materialupdate & 1) ? (hasColor ? "color0" : "u_matambientalpha") : "u_matambientalpha"; const char *diffuseStr = (gstate.materialupdate & 2) ? (hasColor ? "color0.rgb" : "u_matambientalpha.rgb") : "u_matdiffuse"; const char *specularStr = (gstate.materialupdate & 4) ? (hasColor ? "color0.rgb" : "u_matambientalpha.rgb") : "u_matspecular.rgb"; bool diffuseIsZero = true; bool specularIsZero = true; bool distanceNeeded = false; if (gstate.isLightingEnabled()) { WRITE(p, " lowp vec4 lightSum0 = u_ambient * %s + vec4(u_matemissive, 0.0);\n", ambientStr); for (int i = 0; i < 4; i++) { if (doLight[i] != LIGHT_FULL) continue; diffuseIsZero = false; if (gstate.isUsingSpecularLight(i)) specularIsZero = false; GELightType type = gstate.getLightType(i); if (type != GE_LIGHTTYPE_DIRECTIONAL) distanceNeeded = true; } if (!specularIsZero) { WRITE(p, " lowp vec3 lightSum1 = vec3(0.0);\n"); } if (!diffuseIsZero) { WRITE(p, " vec3 toLight;\n"); WRITE(p, " lowp vec3 diffuse;\n"); } if (distanceNeeded) { WRITE(p, " float distance;\n"); WRITE(p, " lowp float lightScale;\n"); } } // Calculate lights if needed. If shade mapping is enabled, lights may need to be // at least partially calculated. for (int i = 0; i < 4; i++) { if (doLight[i] != LIGHT_FULL) continue; GELightType type = gstate.getLightType(i); if (type == GE_LIGHTTYPE_DIRECTIONAL) { // We prenormalize light positions for directional lights. WRITE(p, " toLight = u_lightpos%i;\n", i); } else { WRITE(p, " toLight = u_lightpos%i - worldpos;\n", i); WRITE(p, " distance = length(toLight);\n"); WRITE(p, " toLight /= distance;\n"); } bool doSpecular = gstate.isUsingSpecularLight(i); bool poweredDiffuse = gstate.isUsingPoweredDiffuseLight(i); if (poweredDiffuse) { WRITE(p, " mediump float dot%i = pow(dot(toLight, worldnormal), u_matspecular.a);\n", i); // Ugly NaN check. pow(0.0, 0.0) may be undefined, but PSP seems to treat it as 1.0. // Seen in Tales of the World: Radiant Mythology (#2424.) WRITE(p, " if (!(dot%i < 1.0) && !(dot%i > 0.0))\n", i, i); WRITE(p, " dot%i = 1.0;\n", i); } else { WRITE(p, " mediump float dot%i = dot(toLight, worldnormal);\n", i); } const char *timesLightScale = " * lightScale"; // Attenuation switch (type) { case GE_LIGHTTYPE_DIRECTIONAL: timesLightScale = ""; break; case GE_LIGHTTYPE_POINT: WRITE(p, " lightScale = clamp(1.0 / dot(u_lightatt%i, vec3(1.0, distance, distance*distance)), 0.0, 1.0);\n", i); break; case GE_LIGHTTYPE_SPOT: case GE_LIGHTTYPE_UNKNOWN: WRITE(p, " lowp float angle%i = dot(normalize(u_lightdir%i), toLight);\n", i, i); WRITE(p, " if (angle%i >= u_lightangle%i) {\n", i, i); WRITE(p, " lightScale = clamp(1.0 / dot(u_lightatt%i, vec3(1.0, distance, distance*distance)), 0.0, 1.0) * pow(angle%i, u_lightspotCoef%i);\n", i, i, i); WRITE(p, " } else {\n"); WRITE(p, " lightScale = 0.0;\n"); WRITE(p, " }\n"); break; default: // ILLEGAL break; } WRITE(p, " diffuse = (u_lightdiffuse%i * %s) * max(dot%i, 0.0);\n", i, diffuseStr, i); if (doSpecular) { WRITE(p, " dot%i = dot(normalize(toLight + vec3(0.0, 0.0, 1.0)), worldnormal);\n", i); WRITE(p, " if (dot%i > 0.0)\n", i); WRITE(p, " lightSum1 += u_lightspecular%i * %s * (pow(dot%i, u_matspecular.a) %s);\n", i, specularStr, i, timesLightScale); } WRITE(p, " lightSum0.rgb += (u_lightambient%i * %s.rgb + diffuse)%s;\n", i, ambientStr, timesLightScale); } if (gstate.isLightingEnabled()) { // Sum up ambient, emissive here. if (lmode) { WRITE(p, " v_color0 = clamp(lightSum0, 0.0, 1.0);\n"); // v_color1 only exists when lmode = 1. if (specularIsZero) { WRITE(p, " v_color1 = vec3(0.0);\n"); } else { WRITE(p, " v_color1 = clamp(lightSum1, 0.0, 1.0);\n"); } } else { if (specularIsZero) { WRITE(p, " v_color0 = clamp(lightSum0, 0.0, 1.0);\n"); } else { WRITE(p, " v_color0 = clamp(clamp(lightSum0, 0.0, 1.0) + vec4(lightSum1, 0.0), 0.0, 1.0);\n"); } } } else { // Lighting doesn't affect color. if (hasColor) { WRITE(p, " v_color0 = color0;\n"); } else { WRITE(p, " v_color0 = u_matambientalpha;\n"); } if (lmode) WRITE(p, " v_color1 = vec3(0.0);\n"); } // Step 3: UV generation if (doTexture) { switch (gstate.getUVGenMode()) { case GE_TEXMAP_TEXTURE_COORDS: // Scale-offset. Easy. case GE_TEXMAP_UNKNOWN: // Not sure what this is, but Riviera uses it. Treating as coords works. if (prescale && !flipV) { WRITE(p, " v_texcoord = texcoord;\n"); } else { WRITE(p, " v_texcoord = texcoord * u_uvscaleoffset.xy + u_uvscaleoffset.zw;\n"); } break; case GE_TEXMAP_TEXTURE_MATRIX: // Projection mapping. { std::string temp_tc; switch (gstate.getUVProjMode()) { case GE_PROJMAP_POSITION: // Use model space XYZ as source temp_tc = "vec4(position.xyz, 1.0)"; break; case GE_PROJMAP_UV: // Use unscaled UV as source { static const char *rescaleuv[4] = {"", " * 1.9921875", " * 1.999969482421875", ""}; // 2*127.5f/128.f, 2*32767.5f/32768.f, 1.0f}; const char *factor = rescaleuv[(vertType & GE_VTYPE_TC_MASK) >> GE_VTYPE_TC_SHIFT]; temp_tc = StringFromFormat("vec4(texcoord.xy %s, 0.0, 1.0)", factor); } break; case GE_PROJMAP_NORMALIZED_NORMAL: // Use normalized transformed normal as source if (hasNormal) temp_tc = flipNormal ? "vec4(normalize(-normal), 1.0)" : "vec4(normalize(normal), 1.0)"; else temp_tc = "vec4(0.0, 0.0, 1.0, 1.0)"; break; case GE_PROJMAP_NORMAL: // Use non-normalized transformed normal as source if (hasNormal) temp_tc = flipNormal ? "vec4(-normal, 1.0)" : "vec4(normal, 1.0)"; else temp_tc = "vec4(0.0, 0.0, 1.0, 1.0)"; break; } // Transform by texture matrix. XYZ as we are doing projection mapping. WRITE(p, " v_texcoord = (u_texmtx * %s).xyz * vec3(u_uvscaleoffset.xy, 1.0);\n", temp_tc.c_str()); } break; case GE_TEXMAP_ENVIRONMENT_MAP: // Shade mapping - use dots from light sources. WRITE(p, " v_texcoord = u_uvscaleoffset.xy * vec2(1.0 + dot(normalize(u_lightpos%i), worldnormal), 1.0 - dot(normalize(u_lightpos%i), worldnormal)) * 0.5;\n", gstate.getUVLS0(), gstate.getUVLS1()); break; default: // ILLEGAL break; } if (flipV) WRITE(p, " v_texcoord.y = 1.0 - v_texcoord.y;\n"); } // Compute fogdepth if (enableFog) WRITE(p, " v_fogdepth = (viewPos.z + u_fogcoef.x) * u_fogcoef.y;\n"); } WRITE(p, "}\n"); }
LinkedShader::LinkedShader(ShaderID VSID, Shader *vs, ShaderID FSID, Shader *fs, bool useHWTransform) : useHWTransform_(useHWTransform), program(0), dirtyUniforms(0) { PROFILE_THIS_SCOPE("shaderlink"); program = glCreateProgram(); vs_ = vs; glAttachShader(program, vs->shader); glAttachShader(program, fs->shader); // Bind attribute locations to fixed locations so that they're // the same in all shaders. We use this later to minimize the calls to // glEnableVertexAttribArray and glDisableVertexAttribArray. glBindAttribLocation(program, ATTR_POSITION, "position"); glBindAttribLocation(program, ATTR_TEXCOORD, "texcoord"); glBindAttribLocation(program, ATTR_NORMAL, "normal"); glBindAttribLocation(program, ATTR_W1, "w1"); glBindAttribLocation(program, ATTR_W2, "w2"); glBindAttribLocation(program, ATTR_COLOR0, "color0"); glBindAttribLocation(program, ATTR_COLOR1, "color1"); #if !defined(USING_GLES2) if (gstate_c.featureFlags & GPU_SUPPORTS_DUALSOURCE_BLEND) { // Dual source alpha glBindFragDataLocationIndexed(program, 0, 0, "fragColor0"); glBindFragDataLocationIndexed(program, 0, 1, "fragColor1"); } else if (gl_extensions.VersionGEThan(3, 3, 0)) { glBindFragDataLocation(program, 0, "fragColor0"); } #elif !defined(IOS) if (gl_extensions.GLES3) { if (gstate_c.featureFlags & GPU_SUPPORTS_DUALSOURCE_BLEND) { glBindFragDataLocationIndexedEXT(program, 0, 0, "fragColor0"); glBindFragDataLocationIndexedEXT(program, 0, 1, "fragColor1"); } } #endif glLinkProgram(program); GLint linkStatus = GL_FALSE; glGetProgramiv(program, GL_LINK_STATUS, &linkStatus); if (linkStatus != GL_TRUE) { GLint bufLength = 0; glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength); if (bufLength) { char* buf = new char[bufLength]; glGetProgramInfoLog(program, bufLength, NULL, buf); #ifdef ANDROID ELOG("Could not link program:\n %s", buf); #endif ERROR_LOG(G3D, "Could not link program:\n %s", buf); ERROR_LOG(G3D, "VS desc:\n%s\n", vs->GetShaderString(SHADER_STRING_SHORT_DESC, VSID).c_str()); ERROR_LOG(G3D, "FS desc:\n%s\n", fs->GetShaderString(SHADER_STRING_SHORT_DESC, FSID).c_str()); std::string vs_source = vs->GetShaderString(SHADER_STRING_SOURCE_CODE, VSID); std::string fs_source = fs->GetShaderString(SHADER_STRING_SOURCE_CODE, FSID); ERROR_LOG(G3D, "VS:\n%s\n", vs_source.c_str()); ERROR_LOG(G3D, "FS:\n%s\n", fs_source.c_str()); Reporting::ReportMessage("Error in shader program link: info: %s / fs: %s / vs: %s", buf, fs_source.c_str(), vs_source.c_str()); #ifdef SHADERLOG OutputDebugStringUTF8(buf); OutputDebugStringUTF8(vs_source.c_str()); OutputDebugStringUTF8(fs_source.c_str()); #endif delete [] buf; // we're dead! } // Prevent a buffer overflow. numBones = 0; return; } INFO_LOG(G3D, "Linked shader: vs %i fs %i", (int)vs->shader, (int)fs->shader); u_tex = glGetUniformLocation(program, "tex"); u_proj = glGetUniformLocation(program, "u_proj"); u_proj_through = glGetUniformLocation(program, "u_proj_through"); u_texenv = glGetUniformLocation(program, "u_texenv"); u_fogcolor = glGetUniformLocation(program, "u_fogcolor"); u_fogcoef = glGetUniformLocation(program, "u_fogcoef"); u_alphacolorref = glGetUniformLocation(program, "u_alphacolorref"); u_alphacolormask = glGetUniformLocation(program, "u_alphacolormask"); u_stencilReplaceValue = glGetUniformLocation(program, "u_stencilReplaceValue"); u_testtex = glGetUniformLocation(program, "testtex"); u_fbotex = glGetUniformLocation(program, "fbotex"); u_blendFixA = glGetUniformLocation(program, "u_blendFixA"); u_blendFixB = glGetUniformLocation(program, "u_blendFixB"); u_fbotexSize = glGetUniformLocation(program, "u_fbotexSize"); // Transform u_view = glGetUniformLocation(program, "u_view"); u_world = glGetUniformLocation(program, "u_world"); u_texmtx = glGetUniformLocation(program, "u_texmtx"); if (VSID.Bit(VS_BIT_ENABLE_BONES)) numBones = TranslateNumBones(VSID.Bits(VS_BIT_BONES, 3) + 1); else numBones = 0; u_depthRange = glGetUniformLocation(program, "u_depthRange"); #ifdef USE_BONE_ARRAY u_bone = glGetUniformLocation(program, "u_bone"); #else for (int i = 0; i < 8; i++) { char name[10]; sprintf(name, "u_bone%i", i); u_bone[i] = glGetUniformLocation(program, name); } #endif // Lighting, texturing u_ambient = glGetUniformLocation(program, "u_ambient"); u_matambientalpha = glGetUniformLocation(program, "u_matambientalpha"); u_matdiffuse = glGetUniformLocation(program, "u_matdiffuse"); u_matspecular = glGetUniformLocation(program, "u_matspecular"); u_matemissive = glGetUniformLocation(program, "u_matemissive"); u_uvscaleoffset = glGetUniformLocation(program, "u_uvscaleoffset"); u_texclamp = glGetUniformLocation(program, "u_texclamp"); u_texclampoff = glGetUniformLocation(program, "u_texclampoff"); for (int i = 0; i < 4; i++) { char temp[64]; sprintf(temp, "u_lightpos%i", i); u_lightpos[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightdir%i", i); u_lightdir[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightatt%i", i); u_lightatt[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightangle%i", i); u_lightangle[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightspotCoef%i", i); u_lightspotCoef[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightambient%i", i); u_lightambient[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightdiffuse%i", i); u_lightdiffuse[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightspecular%i", i); u_lightspecular[i] = glGetUniformLocation(program, temp); } attrMask = 0; if (-1 != glGetAttribLocation(program, "position")) attrMask |= 1 << ATTR_POSITION; if (-1 != glGetAttribLocation(program, "texcoord")) attrMask |= 1 << ATTR_TEXCOORD; if (-1 != glGetAttribLocation(program, "normal")) attrMask |= 1 << ATTR_NORMAL; if (-1 != glGetAttribLocation(program, "w1")) attrMask |= 1 << ATTR_W1; if (-1 != glGetAttribLocation(program, "w2")) attrMask |= 1 << ATTR_W2; if (-1 != glGetAttribLocation(program, "color0")) attrMask |= 1 << ATTR_COLOR0; if (-1 != glGetAttribLocation(program, "color1")) attrMask |= 1 << ATTR_COLOR1; availableUniforms = 0; if (u_proj != -1) availableUniforms |= DIRTY_PROJMATRIX; if (u_proj_through != -1) availableUniforms |= DIRTY_PROJTHROUGHMATRIX; if (u_texenv != -1) availableUniforms |= DIRTY_TEXENV; if (u_alphacolorref != -1) availableUniforms |= DIRTY_ALPHACOLORREF; if (u_alphacolormask != -1) availableUniforms |= DIRTY_ALPHACOLORMASK; if (u_fogcolor != -1) availableUniforms |= DIRTY_FOGCOLOR; if (u_fogcoef != -1) availableUniforms |= DIRTY_FOGCOEF; if (u_texenv != -1) availableUniforms |= DIRTY_TEXENV; if (u_uvscaleoffset != -1) availableUniforms |= DIRTY_UVSCALEOFFSET; if (u_texclamp != -1) availableUniforms |= DIRTY_TEXCLAMP; if (u_world != -1) availableUniforms |= DIRTY_WORLDMATRIX; if (u_view != -1) availableUniforms |= DIRTY_VIEWMATRIX; if (u_texmtx != -1) availableUniforms |= DIRTY_TEXMATRIX; if (u_stencilReplaceValue != -1) availableUniforms |= DIRTY_STENCILREPLACEVALUE; if (u_blendFixA != -1 || u_blendFixB != -1 || u_fbotexSize != -1) availableUniforms |= DIRTY_SHADERBLEND; if (u_depthRange != -1) availableUniforms |= DIRTY_DEPTHRANGE; // Looping up to numBones lets us avoid checking u_bone[i] #ifdef USE_BONE_ARRAY if (u_bone != -1) { for (int i = 0; i < numBones; i++) { availableUniforms |= DIRTY_BONEMATRIX0 << i; } } #else for (int i = 0; i < numBones; i++) { if (u_bone[i] != -1) availableUniforms |= DIRTY_BONEMATRIX0 << i; } #endif if (u_ambient != -1) availableUniforms |= DIRTY_AMBIENT; if (u_matambientalpha != -1) availableUniforms |= DIRTY_MATAMBIENTALPHA; if (u_matdiffuse != -1) availableUniforms |= DIRTY_MATDIFFUSE; if (u_matemissive != -1) availableUniforms |= DIRTY_MATEMISSIVE; if (u_matspecular != -1) availableUniforms |= DIRTY_MATSPECULAR; for (int i = 0; i < 4; i++) { if (u_lightdir[i] != -1 || u_lightspecular[i] != -1 || u_lightpos[i] != -1) availableUniforms |= DIRTY_LIGHT0 << i; } glUseProgram(program); // Default uniform values glUniform1i(u_tex, 0); glUniform1i(u_fbotex, 1); glUniform1i(u_testtex, 2); // The rest, use the "dirty" mechanism. dirtyUniforms = DIRTY_ALL; }
LinkedShader::LinkedShader(Shader *vs, Shader *fs, bool useHWTransform) : useHWTransform_(useHWTransform), program(0), dirtyUniforms(0) { program = glCreateProgram(); glAttachShader(program, vs->shader); glAttachShader(program, fs->shader); glLinkProgram(program); GLint linkStatus; glGetProgramiv(program, GL_LINK_STATUS, &linkStatus); if (linkStatus != GL_TRUE) { GLint bufLength = 0; glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength); if (bufLength) { char* buf = new char[bufLength]; glGetProgramInfoLog(program, bufLength, NULL, buf); ERROR_LOG(G3D, "Could not link program:\n %s", buf); ERROR_LOG(G3D, "VS:\n%s", vs->source().c_str()); ERROR_LOG(G3D, "FS:\n%s", fs->source().c_str()); #ifdef SHADERLOG OutputDebugString(buf); OutputDebugString(vs->source().c_str()); OutputDebugString(fs->source().c_str()); #endif delete [] buf; // we're dead! } return; } INFO_LOG(G3D, "Linked shader: vs %i fs %i", (int)vs->shader, (int)fs->shader); u_tex = glGetUniformLocation(program, "tex"); u_proj = glGetUniformLocation(program, "u_proj"); u_proj_through = glGetUniformLocation(program, "u_proj_through"); u_texenv = glGetUniformLocation(program, "u_texenv"); u_fogcolor = glGetUniformLocation(program, "u_fogcolor"); u_fogcoef = glGetUniformLocation(program, "u_fogcoef"); u_alphacolorref = glGetUniformLocation(program, "u_alphacolorref"); u_colormask = glGetUniformLocation(program, "u_colormask"); // Transform u_view = glGetUniformLocation(program, "u_view"); u_world = glGetUniformLocation(program, "u_world"); u_texmtx = glGetUniformLocation(program, "u_texmtx"); if ((gstate.vertType & GE_VTYPE_WEIGHT_MASK) != 0) numBones = TranslateNumBones(gstate.getNumBoneWeights()); else numBones = 0; #ifdef USE_BONE_ARRAY u_bone = glGetUniformLocation(program, "u_bone"); #else for (int i = 0; i < 8; i++) { char name[10]; sprintf(name, "u_bone%i", i); u_bone[i] = glGetUniformLocation(program, name); } #endif // Lighting, texturing u_ambient = glGetUniformLocation(program, "u_ambient"); u_matambientalpha = glGetUniformLocation(program, "u_matambientalpha"); u_matdiffuse = glGetUniformLocation(program, "u_matdiffuse"); u_matspecular = glGetUniformLocation(program, "u_matspecular"); u_matemissive = glGetUniformLocation(program, "u_matemissive"); u_uvscaleoffset = glGetUniformLocation(program, "u_uvscaleoffset"); for (int i = 0; i < 4; i++) { char temp[64]; sprintf(temp, "u_lightpos%i", i); u_lightpos[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightdir%i", i); u_lightdir[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightatt%i", i); u_lightatt[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightangle%i", i); u_lightangle[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightspotCoef%i", i); u_lightspotCoef[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightambient%i", i); u_lightambient[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightdiffuse%i", i); u_lightdiffuse[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightspecular%i", i); u_lightspecular[i] = glGetUniformLocation(program, temp); } a_position = glGetAttribLocation(program, "a_position"); a_color0 = glGetAttribLocation(program, "a_color0"); a_color1 = glGetAttribLocation(program, "a_color1"); a_texcoord = glGetAttribLocation(program, "a_texcoord"); a_normal = glGetAttribLocation(program, "a_normal"); a_weight0123 = glGetAttribLocation(program, "a_w1"); a_weight4567 = glGetAttribLocation(program, "a_w2"); glUseProgram(program); // Default uniform values glUniform1i(u_tex, 0); // The rest, use the "dirty" mechanism. dirtyUniforms = DIRTY_ALL; use(); }
LinkedShader::LinkedShader(Shader *vs, Shader *fs, u32 vertType, bool useHWTransform, LinkedShader *previous) : useHWTransform_(useHWTransform), program(0), dirtyUniforms(0) { program = glCreateProgram(); glAttachShader(program, vs->shader); glAttachShader(program, fs->shader); // Bind attribute locations to fixed locations so that they're // the same in all shaders. We use this later to minimize the calls to // glEnableVertexAttribArray and glDisableVertexAttribArray. glBindAttribLocation(program, ATTR_POSITION, "position"); glBindAttribLocation(program, ATTR_TEXCOORD, "texcoord"); glBindAttribLocation(program, ATTR_NORMAL, "normal"); glBindAttribLocation(program, ATTR_W1, "w1"); glBindAttribLocation(program, ATTR_W2, "w2"); glBindAttribLocation(program, ATTR_COLOR0, "color0"); glBindAttribLocation(program, ATTR_COLOR1, "color1"); #ifndef USING_GLES2 if (gl_extensions.ARB_blend_func_extended) { // Dual source alpha glBindFragDataLocationIndexed(program, 0, 0, "fragColor0"); glBindFragDataLocationIndexed(program, 0, 1, "fragColor1"); } else if (gl_extensions.VersionGEThan(3, 3, 0)) { glBindFragDataLocation(program, 0, "fragColor0"); } #endif glLinkProgram(program); // Detaching shaders is annoying when debugging with gDebugger // so let's not do that on Windows. #ifdef USING_GLES glDetachShader(program, vs->shader); glDetachShader(program, fs->shader); #endif GLint linkStatus = GL_FALSE; glGetProgramiv(program, GL_LINK_STATUS, &linkStatus); if (linkStatus != GL_TRUE) { GLint bufLength = 0; glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength); if (bufLength) { char* buf = new char[bufLength]; glGetProgramInfoLog(program, bufLength, NULL, buf); #ifdef ANDROID ELOG("Could not link program:\n %s", buf); #endif ERROR_LOG(G3D, "Could not link program:\n %s", buf); ERROR_LOG(G3D, "VS:\n%s", vs->source().c_str()); ERROR_LOG(G3D, "FS:\n%s", fs->source().c_str()); Reporting::ReportMessage("Error in shader program link: info: %s / fs: %s / vs: %s", buf, fs->source().c_str(), vs->source().c_str()); #ifdef SHADERLOG OutputDebugStringUTF8(buf); OutputDebugStringUTF8(vs->source().c_str()); OutputDebugStringUTF8(fs->source().c_str()); #endif delete [] buf; // we're dead! } // Prevent a buffer overflow. numBones = 0; return; } INFO_LOG(G3D, "Linked shader: vs %i fs %i", (int)vs->shader, (int)fs->shader); u_tex = glGetUniformLocation(program, "tex"); u_proj = glGetUniformLocation(program, "u_proj"); u_proj_through = glGetUniformLocation(program, "u_proj_through"); u_texenv = glGetUniformLocation(program, "u_texenv"); u_fogcolor = glGetUniformLocation(program, "u_fogcolor"); u_fogcoef = glGetUniformLocation(program, "u_fogcoef"); u_alphacolorref = glGetUniformLocation(program, "u_alphacolorref"); u_colormask = glGetUniformLocation(program, "u_colormask"); u_stencilReplaceValue = glGetUniformLocation(program, "u_stencilReplaceValue"); // Transform u_view = glGetUniformLocation(program, "u_view"); u_world = glGetUniformLocation(program, "u_world"); u_texmtx = glGetUniformLocation(program, "u_texmtx"); if (vertTypeGetWeightMask(vertType) != GE_VTYPE_WEIGHT_NONE) numBones = TranslateNumBones(vertTypeGetNumBoneWeights(vertType)); else numBones = 0; #ifdef USE_BONE_ARRAY u_bone = glGetUniformLocation(program, "u_bone"); #else for (int i = 0; i < 8; i++) { char name[10]; sprintf(name, "u_bone%i", i); u_bone[i] = glGetUniformLocation(program, name); } #endif // Lighting, texturing u_ambient = glGetUniformLocation(program, "u_ambient"); u_matambientalpha = glGetUniformLocation(program, "u_matambientalpha"); u_matdiffuse = glGetUniformLocation(program, "u_matdiffuse"); u_matspecular = glGetUniformLocation(program, "u_matspecular"); u_matemissive = glGetUniformLocation(program, "u_matemissive"); u_uvscaleoffset = glGetUniformLocation(program, "u_uvscaleoffset"); for (int i = 0; i < 4; i++) { char temp[64]; sprintf(temp, "u_lightpos%i", i); u_lightpos[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightdir%i", i); u_lightdir[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightatt%i", i); u_lightatt[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightangle%i", i); u_lightangle[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightspotCoef%i", i); u_lightspotCoef[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightambient%i", i); u_lightambient[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightdiffuse%i", i); u_lightdiffuse[i] = glGetUniformLocation(program, temp); sprintf(temp, "u_lightspecular%i", i); u_lightspecular[i] = glGetUniformLocation(program, temp); } attrMask = 0; if (-1 != glGetAttribLocation(program, "position")) attrMask |= 1 << ATTR_POSITION; if (-1 != glGetAttribLocation(program, "texcoord")) attrMask |= 1 << ATTR_TEXCOORD; if (-1 != glGetAttribLocation(program, "normal")) attrMask |= 1 << ATTR_NORMAL; if (-1 != glGetAttribLocation(program, "w1")) attrMask |= 1 << ATTR_W1; if (-1 != glGetAttribLocation(program, "w2")) attrMask |= 1 << ATTR_W2; if (-1 != glGetAttribLocation(program, "color0")) attrMask |= 1 << ATTR_COLOR0; if (-1 != glGetAttribLocation(program, "color1")) attrMask |= 1 << ATTR_COLOR1; availableUniforms = 0; if (u_proj != -1) availableUniforms |= DIRTY_PROJMATRIX; if (u_proj_through != -1) availableUniforms |= DIRTY_PROJTHROUGHMATRIX; if (u_texenv != -1) availableUniforms |= DIRTY_TEXENV; if (u_alphacolorref != -1) availableUniforms |= DIRTY_ALPHACOLORREF; if (u_colormask != -1) availableUniforms |= DIRTY_COLORMASK; if (u_fogcolor != -1) availableUniforms |= DIRTY_FOGCOLOR; if (u_fogcoef != -1) availableUniforms |= DIRTY_FOGCOEF; if (u_texenv != -1) availableUniforms |= DIRTY_TEXENV; if (u_uvscaleoffset != -1) availableUniforms |= DIRTY_UVSCALEOFFSET; if (u_world != -1) availableUniforms |= DIRTY_WORLDMATRIX; if (u_view != -1) availableUniforms |= DIRTY_VIEWMATRIX; if (u_texmtx != -1) availableUniforms |= DIRTY_TEXMATRIX; if (u_stencilReplaceValue != -1) availableUniforms |= DIRTY_STENCILREPLACEVALUE; // Looping up to numBones lets us avoid checking u_bone[i] for (int i = 0; i < numBones; i++) { if (u_bone[i] != -1) availableUniforms |= DIRTY_BONEMATRIX0 << i; } if (u_ambient != -1) availableUniforms |= DIRTY_AMBIENT; if (u_matambientalpha != -1) availableUniforms |= DIRTY_MATAMBIENTALPHA; if (u_matdiffuse != -1) availableUniforms |= DIRTY_MATDIFFUSE; if (u_matemissive != -1) availableUniforms |= DIRTY_MATEMISSIVE; if (u_matspecular != -1) availableUniforms |= DIRTY_MATSPECULAR; for (int i = 0; i < 4; i++) { if (u_lightdir[i] != -1 || u_lightspecular[i] != -1 || u_lightpos[i] != -1) availableUniforms |= DIRTY_LIGHT0 << i; } glUseProgram(program); // Default uniform values glUniform1i(u_tex, 0); // The rest, use the "dirty" mechanism. dirtyUniforms = DIRTY_ALL; use(vertType, previous); }