// 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);
}
