static inline void
dumpArbProgramUniforms(JSONWriter &json, GLenum target, const char *prefix)
{
if (!glIsEnabled(target)) {
return;
}
GLint program_parameters = 0;
glGetProgramivARB(target, GL_PROGRAM_PARAMETERS_ARB, &program_parameters);
if (!program_parameters) {
return;
}
GLint max_program_local_parameters = 0;
glGetProgramivARB(target, GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB, &max_program_local_parameters);
for (GLint index = 0; index < max_program_local_parameters; ++index) {
GLdouble params[4] = {0, 0, 0, 0};
glGetProgramLocalParameterdvARB(target, index, params);
if (!params[0] && !params[1] && !params[2] && !params[3]) {
continue;
}
char name[256];
snprintf(name, sizeof name, "%sprogram.local[%i]", prefix, index);
json.beginMember(name);
json.beginArray();
json.writeFloat(params[0]);
json.writeFloat(params[1]);
json.writeFloat(params[2]);
json.writeFloat(params[3]);
json.endArray();
json.endMember();
}
GLint max_program_env_parameters = 0;
glGetProgramivARB(target, GL_MAX_PROGRAM_ENV_PARAMETERS_ARB, &max_program_env_parameters);
for (GLint index = 0; index < max_program_env_parameters; ++index) {
GLdouble params[4] = {0, 0, 0, 0};
glGetProgramEnvParameterdvARB(target, index, params);
if (!params[0] && !params[1] && !params[2] && !params[3]) {
continue;
}
char name[256];
snprintf(name, sizeof name, "%sprogram.env[%i]", prefix, index);
json.beginMember(name);
json.beginArray();
json.writeFloat(params[0]);
json.writeFloat(params[1]);
json.writeFloat(params[2]);
json.writeFloat(params[3]);
json.endArray();
json.endMember();
}
}
static void
dumpAttrib(JSONWriter &json,
const AttribDesc &desc,
const GLbyte *data)
{
assert(desc);
if (desc.numRows > 1) {
json.beginArray();
}
for (GLint row = 0; row < desc.numRows; ++row) {
if (desc.numCols > 1) {
json.beginArray();
}
for (GLint col = 0; col < desc.numCols; ++col) {
union {
const GLbyte *rawvalue;
const GLfloat *fvalue;
const GLdouble *dvalue;
const GLint *ivalue;
const GLuint *uivalue;
} u;
u.rawvalue = data + row*desc.rowStride + col*desc.colStride;
switch (desc.elemType) {
case GL_FLOAT:
json.writeFloat(*u.fvalue);
break;
case GL_DOUBLE:
json.writeFloat(*u.dvalue);
break;
case GL_INT:
json.writeInt(*u.ivalue);
break;
case GL_UNSIGNED_INT:
json.writeInt(*u.uivalue);
break;
case GL_BOOL:
json.writeBool(*u.uivalue);
break;
default:
assert(0);
json.writeNull();
break;
}
}
if (desc.numCols > 1) {
json.endArray();
}
}
if (desc.numRows > 1) {
json.endArray();
}
}
static void
dumpAttribArray(JSONWriter &json,
const std::string & name,
const AttribDesc &desc,
const GLbyte *data)
{
json.beginMember(name);
if (desc.size > 1) {
json.beginArray();
}
for (GLint i = 0; i < desc.size; ++i) {
const GLbyte *row = data + desc.arrayStride*i;
dumpAttrib(json, desc, row);
}
if (desc.size > 1) {
json.endArray();
}
json.endMember();
}
static void
dumpBlendState(JSONWriter &json, ID3D11DeviceContext *pDeviceContext)
{
com_ptr<ID3D11BlendState> pBlendState;
FLOAT BlendFactor[4];
UINT SampleMask;
pDeviceContext->OMGetBlendState(&pBlendState, BlendFactor, &SampleMask);
json.beginMember("BlendState");
dumpStateObjectDesc(json, pBlendState);
json.endMember(); // BlendState
json.beginMember("BlendFactor");
json.beginArray();
json.writeFloat(BlendFactor[0]);
json.writeFloat(BlendFactor[1]);
json.writeFloat(BlendFactor[2]);
json.writeFloat(BlendFactor[3]);
json.endArray();
json.endMember(); // BlendFactor
json.writeIntMember("SampleMask", SampleMask);
}
static inline void
dumpTransformFeedback(JSONWriter &json, GLint program)
{
GLint transform_feedback_varyings = 0;
glGetProgramiv(program, GL_TRANSFORM_FEEDBACK_VARYINGS, &transform_feedback_varyings);
if (!transform_feedback_varyings) {
return;
}
GLint max_name_length = 0;
glGetProgramiv(program, GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH, &max_name_length);
std::vector<GLchar> name(max_name_length);
GLint buffer_mode = GL_INTERLEAVED_ATTRIBS;
glGetProgramiv(program, GL_TRANSFORM_FEEDBACK_BUFFER_MODE, &buffer_mode);
std::vector<TransformFeedbackAttrib> attribs(transform_feedback_varyings);
// Calculate the offsets and strides of each attribute according to
// the value of GL_TRANSFORM_FEEDBACK_BUFFER_MODE
GLsizei cum_attrib_offset = 0;
for (GLint slot = 0; slot < transform_feedback_varyings; ++slot) {
TransformFeedbackAttrib & attrib = attribs[slot];
GLsizei length = 0;
GLsizei size = 0;
GLenum type = GL_NONE;
glGetTransformFeedbackVarying(program, slot, max_name_length, &length, &size, &type, &name[0]);
attrib.name = &name[0];
const AttribDesc & desc = attrib.desc = AttribDesc(type, size);
if (!desc) {
return;
}
attrib.size = desc.arrayStride;
switch (buffer_mode) {
case GL_INTERLEAVED_ATTRIBS:
attrib.offset = cum_attrib_offset;
break;
case GL_SEPARATE_ATTRIBS:
attrib.offset = 0;
attrib.stride = desc.arrayStride;
break;
default:
assert(0);
attrib.offset = 0;
attrib.stride = 0;
}
cum_attrib_offset += desc.arrayStride;
}
if (buffer_mode == GL_INTERLEAVED_ATTRIBS) {
for (GLint slot = 0; slot < transform_feedback_varyings; ++slot) {
TransformFeedbackAttrib & attrib = attribs[slot];
attrib.stride = cum_attrib_offset;
}
}
GLint previous_tbo = 0;
glGetIntegerv(GL_TRANSFORM_FEEDBACK_BUFFER_BINDING, &previous_tbo);
// Map the buffers and calculate how many vertices can they hold
// XXX: We currently limit to 1024, or things can get significantly slow.
unsigned numVertices = 16*1024;
for (GLint slot = 0; slot < transform_feedback_varyings; ++slot) {
TransformFeedbackAttrib & attrib = attribs[slot];
attrib.map = NULL;
if (slot == 0 || buffer_mode != GL_INTERLEAVED_ATTRIBS) {
GLint tbo = 0;
glGetIntegeri_v(GL_TRANSFORM_FEEDBACK_BUFFER_BINDING, slot, &tbo);
if (!tbo) {
numVertices = 0;
continue;
}
GLint start = 0;
glGetIntegeri_v(GL_TRANSFORM_FEEDBACK_BUFFER_START, slot, &start);
GLint size = 0;
glGetIntegeri_v(GL_TRANSFORM_FEEDBACK_BUFFER_SIZE, slot, &size);
glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, tbo);
if (size == 0) {
glGetBufferParameteriv(GL_TRANSFORM_FEEDBACK_BUFFER, GL_BUFFER_SIZE, &size);
assert(size >= start);
size -= start;
}
unsigned numAttribVertices = calcNumElements(size,
attrib.offset,
attrib.size,
attrib.stride);
numVertices = std::min(numVertices, numAttribVertices);
attrib.map = (const GLbyte *)glMapBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, GL_READ_ONLY) + start;
} else {
attrib.map = attribs[0].map;
}
}
// Actually dump the vertices
json.beginMember("GL_TRANSFORM_FEEDBACK");
json.beginArray();
for (unsigned vertex = 0; vertex < numVertices; ++vertex) {
json.beginObject();
for (GLint slot = 0; slot < transform_feedback_varyings; ++slot) {
TransformFeedbackAttrib & attrib = attribs[slot];
if (!attrib.map) {
continue;
}
const AttribDesc & desc = attrib.desc;
assert(desc);
const GLbyte *vertex_data = attrib.map + attrib.stride*vertex + attrib.offset;
dumpAttribArray(json, attrib.name, desc, vertex_data);
}
json.endObject();
}
json.endArray();
json.endMember();
// Unmap the buffers
for (GLint slot = 0; slot < transform_feedback_varyings; ++slot) {
TransformFeedbackAttrib & attrib = attribs[slot];
if (slot == 0 || buffer_mode != GL_INTERLEAVED_ATTRIBS) {
if (!attrib.map) {
continue;
}
GLint tbo = 0;
glGetIntegeri_v(GL_TRANSFORM_FEEDBACK_BUFFER_BINDING, slot, &tbo);
assert(tbo);
glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, tbo);
glUnmapBuffer(GL_TRANSFORM_FEEDBACK_BUFFER);
}
}
glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, previous_tbo);
}
static void
dumpUniform(JSONWriter &json,
GLint program,
const AttribDesc & desc,
const GLchar *name)
{
if (desc.elemType == GL_NONE) {
return;
}
union {
GLfloat fvalues[4*4];
GLdouble dvalues[4*4];
GLint ivalues[4*4];
GLuint uivalues[4*4];
GLbyte data[4*4*4];
} u;
GLint i;
std::string qualifiedName = resolveUniformName(name, desc.size);
json.beginMember(qualifiedName);
if (desc.size > 1) {
json.beginArray();
}
for (i = 0; i < desc.size; ++i) {
std::stringstream ss;
ss << qualifiedName;
if (desc.size > 1) {
ss << '[' << i << ']';
}
std::string elemName = ss.str();
GLint location = glGetUniformLocation(program, elemName.c_str());
assert(location != -1);
if (location == -1) {
continue;
}
switch (desc.elemType) {
case GL_FLOAT:
glGetUniformfv(program, location, u.fvalues);
break;
case GL_DOUBLE:
glGetUniformdv(program, location, u.dvalues);
break;
case GL_INT:
glGetUniformiv(program, location, u.ivalues);
break;
case GL_UNSIGNED_INT:
glGetUniformuiv(program, location, u.uivalues);
break;
case GL_BOOL:
glGetUniformiv(program, location, u.ivalues);
break;
default:
assert(0);
break;
}
dumpAttrib(json, desc, u.data);
}
if (desc.size > 1) {
json.endArray();
}
json.endMember();
}
