#include <algorithm>
#include <iostream>
-#include <map>
-#include <sstream>
#include "image.hpp"
#include "json.hpp"
#include "glproc.hpp"
#include "glsize.hpp"
#include "glstate.hpp"
+#include "glstate_internal.hpp"
#ifdef __APPLE__
#endif /* __APPLE__ */
-namespace glstate {
-
-
-static inline void
-resetPixelPackState(void) {
- glPushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
- glPixelStorei(GL_PACK_SWAP_BYTES, GL_FALSE);
- glPixelStorei(GL_PACK_LSB_FIRST, GL_FALSE);
- glPixelStorei(GL_PACK_ROW_LENGTH, 0);
- glPixelStorei(GL_PACK_IMAGE_HEIGHT, 0);
- glPixelStorei(GL_PACK_SKIP_ROWS, 0);
- glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
- glPixelStorei(GL_PACK_SKIP_IMAGES, 0);
- glPixelStorei(GL_PACK_ALIGNMENT, 1);
- glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
-}
-
-
-static inline void
-restorePixelPackState(void) {
- glPopClientAttrib();
-}
-
-
-// Mapping from shader type to shader source, used to accumulated the sources
-// of different shaders with same type.
-typedef std::map<std::string, std::string> ShaderMap;
-
-
-static void
-getShaderSource(ShaderMap &shaderMap, GLuint shader)
-{
- if (!shader) {
- return;
- }
-
- GLint shader_type = 0;
- glGetShaderiv(shader, GL_SHADER_TYPE, &shader_type);
- if (!shader_type) {
- return;
- }
-
- GLint source_length = 0;
- glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &source_length);
- if (!source_length) {
- return;
- }
-
- GLchar *source = new GLchar[source_length];
- GLsizei length = 0;
- source[0] = 0;
- glGetShaderSource(shader, source_length, &length, source);
-
- shaderMap[enumToString(shader_type)] += source;
-
- delete [] source;
-}
-
-
-static void
-getShaderObjSource(ShaderMap &shaderMap, GLhandleARB shaderObj)
-{
- if (!shaderObj) {
- return;
- }
-
- GLint object_type = 0;
- glGetObjectParameterivARB(shaderObj, GL_OBJECT_TYPE_ARB, &object_type);
- if (object_type != GL_SHADER_OBJECT_ARB) {
- return;
- }
-
- GLint shader_type = 0;
- glGetObjectParameterivARB(shaderObj, GL_OBJECT_SUBTYPE_ARB, &shader_type);
- if (!shader_type) {
- return;
- }
-
- GLint source_length = 0;
- glGetObjectParameterivARB(shaderObj, GL_OBJECT_SHADER_SOURCE_LENGTH_ARB, &source_length);
- if (!source_length) {
- return;
- }
-
- GLcharARB *source = new GLcharARB[source_length];
- GLsizei length = 0;
- source[0] = 0;
- glGetShaderSource(shaderObj, source_length, &length, source);
-
- shaderMap[enumToString(shader_type)] += source;
-
- delete [] source;
-}
-
-
-static inline void
-dumpProgram(JSONWriter &json, GLint program)
-{
- GLint attached_shaders = 0;
- glGetProgramiv(program, GL_ATTACHED_SHADERS, &attached_shaders);
- if (!attached_shaders) {
- return;
- }
-
- ShaderMap shaderMap;
-
- GLuint *shaders = new GLuint[attached_shaders];
- GLsizei count = 0;
- glGetAttachedShaders(program, attached_shaders, &count, shaders);
- std::sort(shaders, shaders + count);
- for (GLsizei i = 0; i < count; ++ i) {
- getShaderSource(shaderMap, shaders[i]);
- }
- delete [] shaders;
-
- for (ShaderMap::const_iterator it = shaderMap.begin(); it != shaderMap.end(); ++it) {
- json.beginMember(it->first);
- json.writeString(it->second);
- json.endMember();
- }
-}
-
-
-static inline void
-dumpProgramObj(JSONWriter &json, GLhandleARB programObj)
-{
- GLint attached_shaders = 0;
- glGetObjectParameterivARB(programObj, GL_OBJECT_ATTACHED_OBJECTS_ARB, &attached_shaders);
- if (!attached_shaders) {
- return;
- }
-
- ShaderMap shaderMap;
-
- GLhandleARB *shaderObjs = new GLhandleARB[attached_shaders];
- GLsizei count = 0;
- glGetAttachedObjectsARB(programObj, attached_shaders, &count, shaderObjs);
- std::sort(shaderObjs, shaderObjs + count);
- for (GLsizei i = 0; i < count; ++ i) {
- getShaderObjSource(shaderMap, shaderObjs[i]);
- }
- delete [] shaderObjs;
-
- for (ShaderMap::const_iterator it = shaderMap.begin(); it != shaderMap.end(); ++it) {
- json.beginMember(it->first);
- json.writeString(it->second);
- json.endMember();
- }
-}
-
-
-static void
-dumpUniform(JSONWriter &json, GLint program, GLint size, GLenum type, const GLchar *name) {
-
- GLenum elemType;
- GLint numElems;
- __gl_uniform_size(type, elemType, numElems);
- if (elemType == GL_NONE) {
- return;
- }
-
- GLfloat fvalues[4*4];
- GLdouble dvalues[4*4];
- GLint ivalues[4*4];
- GLuint uivalues[4*4];
-
- GLint i, j;
-
- for (i = 0; i < size; ++i) {
- std::stringstream ss;
- ss << name;
-
- if (size > 1) {
- ss << '[' << i << ']';
- }
-
- std::string elemName = ss.str();
-
- json.beginMember(elemName);
-
- GLint location = glGetUniformLocation(program, elemName.c_str());
-
- if (numElems > 1) {
- json.beginArray();
- }
-
- switch (elemType) {
- case GL_FLOAT:
- glGetUniformfv(program, location, fvalues);
- for (j = 0; j < numElems; ++j) {
- json.writeNumber(fvalues[j]);
- }
- break;
- case GL_DOUBLE:
- glGetUniformdv(program, location, dvalues);
- for (j = 0; j < numElems; ++j) {
- json.writeNumber(dvalues[j]);
- }
- break;
- case GL_INT:
- glGetUniformiv(program, location, ivalues);
- for (j = 0; j < numElems; ++j) {
- json.writeNumber(ivalues[j]);
- }
- break;
- case GL_UNSIGNED_INT:
- glGetUniformuiv(program, location, uivalues);
- for (j = 0; j < numElems; ++j) {
- json.writeNumber(uivalues[j]);
- }
- break;
- case GL_BOOL:
- glGetUniformiv(program, location, ivalues);
- for (j = 0; j < numElems; ++j) {
- json.writeBool(ivalues[j]);
- }
- break;
- default:
- assert(0);
- break;
- }
-
- if (numElems > 1) {
- json.endArray();
- }
-
- json.endMember();
- }
-}
-
-
-static void
-dumpUniformARB(JSONWriter &json, GLhandleARB programObj, GLint size, GLenum type, const GLchar *name) {
-
- GLenum elemType;
- GLint numElems;
- __gl_uniform_size(type, elemType, numElems);
- if (elemType == GL_NONE) {
- return;
- }
-
- GLfloat fvalues[4*4];
- GLint ivalues[4*4];
-
- GLint i, j;
-
- for (i = 0; i < size; ++i) {
- std::stringstream ss;
- ss << name;
-
- if (size > 1) {
- ss << '[' << i << ']';
- }
-
- std::string elemName = ss.str();
-
- json.beginMember(elemName);
-
- GLint location = glGetUniformLocationARB(programObj, elemName.c_str());
-
- if (numElems > 1) {
- json.beginArray();
- }
-
- switch (elemType) {
- case GL_DOUBLE:
- // glGetUniformdvARB does not exists
- case GL_FLOAT:
- glGetUniformfvARB(programObj, location, fvalues);
- for (j = 0; j < numElems; ++j) {
- json.writeNumber(fvalues[j]);
- }
- break;
- case GL_UNSIGNED_INT:
- // glGetUniformuivARB does not exists
- case GL_INT:
- glGetUniformivARB(programObj, location, ivalues);
- for (j = 0; j < numElems; ++j) {
- json.writeNumber(ivalues[j]);
- }
- break;
- case GL_BOOL:
- glGetUniformivARB(programObj, location, ivalues);
- for (j = 0; j < numElems; ++j) {
- json.writeBool(ivalues[j]);
- }
- break;
- default:
- assert(0);
- break;
- }
-
- if (numElems > 1) {
- json.endArray();
- }
-
- json.endMember();
- }
-}
-
-
-static inline void
-dumpProgramUniforms(JSONWriter &json, GLint program)
-{
- GLint active_uniforms = 0;
- glGetProgramiv(program, GL_ACTIVE_UNIFORMS, &active_uniforms);
- if (!active_uniforms) {
- return;
- }
-
- GLint active_uniform_max_length = 0;
- glGetProgramiv(program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &active_uniform_max_length);
- GLchar *name = new GLchar[active_uniform_max_length];
- if (!name) {
- return;
- }
-
- for (GLint index = 0; index < active_uniforms; ++index) {
- GLsizei length = 0;
- GLint size = 0;
- GLenum type = GL_NONE;
- glGetActiveUniform(program, index, active_uniform_max_length, &length, &size, &type, name);
-
- dumpUniform(json, program, size, type, name);
- }
-
- delete [] name;
-}
-
-
-static inline void
-dumpProgramObjUniforms(JSONWriter &json, GLhandleARB programObj)
-{
- GLint active_uniforms = 0;
- glGetObjectParameterivARB(programObj, GL_OBJECT_ACTIVE_UNIFORMS_ARB, &active_uniforms);
- if (!active_uniforms) {
- return;
- }
-
- GLint active_uniform_max_length = 0;
- glGetObjectParameterivARB(programObj, GL_OBJECT_ACTIVE_UNIFORM_MAX_LENGTH_ARB, &active_uniform_max_length);
- GLchar *name = new GLchar[active_uniform_max_length];
- if (!name) {
- return;
- }
-
- for (GLint index = 0; index < active_uniforms; ++index) {
- GLsizei length = 0;
- GLint size = 0;
- GLenum type = GL_NONE;
- glGetActiveUniformARB(programObj, index, active_uniform_max_length, &length, &size, &type, name);
-
- dumpUniformARB(json, programObj, size, type, name);
- }
-
- delete [] name;
-}
-
+/* Change thi to one to force interpreting depth buffers as RGBA, which enables
+ * visualizing full dynamic range, until we can transmit HDR images to the GUI */
+#define DEPTH_AS_RGBA 0
-static inline void
-dumpArbProgram(JSONWriter &json, GLenum target)
-{
- if (!glIsEnabled(target)) {
- return;
- }
- GLint program_length = 0;
- glGetProgramivARB(target, GL_PROGRAM_LENGTH_ARB, &program_length);
- if (!program_length) {
- return;
- }
-
- GLchar *source = new GLchar[program_length + 1];
- source[0] = 0;
- glGetProgramStringARB(target, GL_PROGRAM_STRING_ARB, source);
- source[program_length] = 0;
-
- json.beginMember(enumToString(target));
- json.writeString(source);
- json.endMember();
-
- delete [] source;
-}
-
-
-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;
- }
+namespace glstate {
- GLint max_program_local_parameters = 0;
- glGetProgramivARB(target, GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB, &max_program_local_parameters);
- for (GLuint 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;
+Context::Context(void) {
+ memset(this, 0, sizeof *this);
+
+ const char *version = (const char *)glGetString(GL_VERSION);
+ if (version) {
+ if (version[0] == 'O' &&
+ version[1] == 'p' &&
+ version[2] == 'e' &&
+ version[3] == 'n' &&
+ version[4] == 'G' &&
+ version[5] == 'L' &&
+ version[6] == ' ' &&
+ version[7] == 'E' &&
+ version[8] == 'S' &&
+ version[9] == ' ') {
+ ES = true;
}
-
- char name[256];
- snprintf(name, sizeof name, "%sprogram.local[%u]", prefix, index);
-
- json.beginMember(name);
- json.beginArray();
- json.writeNumber(params[0]);
- json.writeNumber(params[1]);
- json.writeNumber(params[2]);
- json.writeNumber(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 (GLuint 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[%u]", prefix, index);
+ ARB_draw_buffers = !ES;
- json.beginMember(name);
- json.beginArray();
- json.writeNumber(params[0]);
- json.writeNumber(params[1]);
- json.writeNumber(params[2]);
- json.writeNumber(params[3]);
- json.endArray();
- json.endMember();
- }
+ // TODO: Check extensions we use below
}
-
-static inline void
-dumpShadersUniforms(JSONWriter &json)
-{
- GLint program = 0;
- glGetIntegerv(GL_CURRENT_PROGRAM, &program);
-
- GLhandleARB programObj = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
-
- json.beginMember("shaders");
- json.beginObject();
- if (program) {
- dumpProgram(json, program);
- } else if (programObj) {
- dumpProgramObj(json, programObj);
+void
+Context::resetPixelPackState(void) {
+ if (!ES) {
+ glPushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+ glPixelStorei(GL_PACK_SWAP_BYTES, GL_FALSE);
+ glPixelStorei(GL_PACK_LSB_FIRST, GL_FALSE);
+ glPixelStorei(GL_PACK_ROW_LENGTH, 0);
+ glPixelStorei(GL_PACK_IMAGE_HEIGHT, 0);
+ glPixelStorei(GL_PACK_SKIP_ROWS, 0);
+ glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
+ glPixelStorei(GL_PACK_SKIP_IMAGES, 0);
} else {
- dumpArbProgram(json, GL_FRAGMENT_PROGRAM_ARB);
- dumpArbProgram(json, GL_VERTEX_PROGRAM_ARB);
+ packAlignment = 4;
+ glGetIntegerv(GL_PACK_ALIGNMENT, &packAlignment);
}
- json.endObject();
- json.endMember(); // shaders
+ glPixelStorei(GL_PACK_ALIGNMENT, 1);
+}
- json.beginMember("uniforms");
- json.beginObject();
- if (program) {
- dumpProgramUniforms(json, program);
- } else if (programObj) {
- dumpProgramObjUniforms(json, programObj);
+void
+Context::restorePixelPackState(void) {
+ if (!ES) {
+ glPopClientAttrib();
} else {
- dumpArbProgramUniforms(json, GL_FRAGMENT_PROGRAM_ARB, "fp.");
- dumpArbProgramUniforms(json, GL_VERTEX_PROGRAM_ARB, "vp.");
+ glPixelStorei(GL_PACK_ALIGNMENT, packAlignment);
}
- json.endObject();
- json.endMember(); // uniforms
}
static inline void
-dumpTextureImage(JSONWriter &json, GLenum target, GLint level)
+dumpTextureImage(JSONWriter &json, Context &context, GLenum target, GLint level)
{
GLint width, height = 1, depth = 1;
+ GLint format;
+
+ glGetTexLevelParameteriv(target, level, GL_TEXTURE_INTERNAL_FORMAT, &format);
width = 0;
glGetTexLevelParameteriv(target, level, GL_TEXTURE_WIDTH, &width);
GLint active_texture = GL_TEXTURE0;
glGetIntegerv(GL_ACTIVE_TEXTURE, &active_texture);
- snprintf(label, sizeof label, "%s, %s, level = %i", enumToString(active_texture), enumToString(target), level);
+ snprintf(label, sizeof label, "%s, %s, level = %d",
+ enumToString(active_texture), enumToString(target), level);
json.beginMember(label);
json.writeNumberMember("__height__", height);
json.writeNumberMember("__depth__", depth);
+ json.writeStringMember("__format__", enumToString(format));
+
// Hardcoded for now, but we could chose types more adequate to the
// texture internal format
json.writeStringMember("__type__", "uint8");
GLubyte *pixels = new GLubyte[depth*width*height*4];
- resetPixelPackState();
+ context.resetPixelPackState();
glGetTexImage(target, level, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
- restorePixelPackState();
+ context.restorePixelPackState();
json.beginMember("__data__");
char *pngBuffer;
int pngBufferSize;
- Image::writePixelsToBuffer(pixels, width, height, 4, true, &pngBuffer, &pngBufferSize);
+ image::writePixelsToBuffer(pixels, width, height, 4, true, &pngBuffer, &pngBufferSize);
json.writeBase64(pngBuffer, pngBufferSize);
free(pngBuffer);
json.endMember(); // __data__
static inline void
-dumpTexture(JSONWriter &json, GLenum target, GLenum binding)
+dumpTexture(JSONWriter &json, Context &context, GLenum target, GLenum binding)
{
GLint texture_binding = 0;
glGetIntegerv(binding, &texture_binding);
if (target == GL_TEXTURE_CUBE_MAP) {
for (int face = 0; face < 6; ++face) {
- dumpTextureImage(json, GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, level);
+ dumpTextureImage(json, context, GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, level);
}
} else {
- dumpTextureImage(json, target, level);
+ dumpTextureImage(json, context, target, level);
}
++level;
static inline void
-dumpTextures(JSONWriter &json)
+dumpTextures(JSONWriter &json, Context &context)
{
json.beginMember("textures");
json.beginObject();
for (GLint unit = 0; unit < max_units; ++unit) {
GLenum texture = GL_TEXTURE0 + unit;
glActiveTexture(texture);
- dumpTexture(json, GL_TEXTURE_1D, GL_TEXTURE_BINDING_1D);
- dumpTexture(json, GL_TEXTURE_2D, GL_TEXTURE_BINDING_2D);
- dumpTexture(json, GL_TEXTURE_3D, GL_TEXTURE_BINDING_3D);
- dumpTexture(json, GL_TEXTURE_RECTANGLE, GL_TEXTURE_BINDING_RECTANGLE);
- dumpTexture(json, GL_TEXTURE_CUBE_MAP, GL_TEXTURE_BINDING_CUBE_MAP);
+ dumpTexture(json, context, GL_TEXTURE_1D, GL_TEXTURE_BINDING_1D);
+ dumpTexture(json, context, GL_TEXTURE_2D, GL_TEXTURE_BINDING_2D);
+ dumpTexture(json, context, GL_TEXTURE_3D, GL_TEXTURE_BINDING_3D);
+ dumpTexture(json, context, GL_TEXTURE_RECTANGLE, GL_TEXTURE_BINDING_RECTANGLE);
+ dumpTexture(json, context, GL_TEXTURE_CUBE_MAP, GL_TEXTURE_BINDING_CUBE_MAP);
}
glActiveTexture(active_texture);
json.endObject();
static bool
getDrawableBounds(GLint *width, GLint *height) {
-#if defined(_WIN32)
+#if defined(TRACE_EGL)
+
+ EGLContext currentContext = eglGetCurrentContext();
+ if (currentContext == EGL_NO_CONTEXT) {
+ return false;
+ }
+
+ EGLSurface currentSurface = eglGetCurrentSurface(EGL_DRAW);
+ if (currentSurface == EGL_NO_SURFACE) {
+ return false;
+ }
+
+ EGLDisplay currentDisplay = eglGetCurrentDisplay();
+ if (currentDisplay == EGL_NO_DISPLAY) {
+ return false;
+ }
+
+ if (!eglQuerySurface(currentDisplay, currentSurface, EGL_WIDTH, width) ||
+ !eglQuerySurface(currentDisplay, currentSurface, EGL_HEIGHT, height)) {
+ return false;
+ }
+
+ return true;
+
+#elif defined(_WIN32)
HDC hDC = wglGetCurrentDC();
if (!hDC) {
*width = rect.right - rect.left;
*height = rect.bottom - rect.top;
+ return true;
#elif defined(__APPLE__)
*width = rect.size.width;
*height = rect.size.height;
+ return true;
-#else
+#elif defined(HAVE_X11)
Display *display;
Drawable drawable;
*width = w;
*height = h;
+ return true;
-#endif
+#else
- return true;
+ return false;
+
+#endif
}
}
+static GLenum
+getTextureLevelFormat(GLint texture, GLint level)
+{
+ GLenum target;
+ GLint bound_texture = 0;
+ if (!bindTexture(texture, target, bound_texture)) {
+ return GL_NONE;
+ }
+
+ GLint format = GL_NONE;
+ glGetTexLevelParameteriv(target, level, GL_TEXTURE_INTERNAL_FORMAT, &format);
+
+ glBindTexture(target, bound_texture);
+
+ return format;
+}
+
+
+
static bool
getRenderbufferSize(GLint renderbuffer, GLint *width, GLint *height)
{
}
+static GLenum
+getRenderbufferFormat(GLint renderbuffer)
+{
+ GLint bound_renderbuffer = 0;
+ glGetIntegerv(GL_RENDERBUFFER_BINDING, &bound_renderbuffer);
+ glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer);
+
+ GLint format = GL_NONE;
+ glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_INTERNAL_FORMAT, &format);
+
+ glBindRenderbuffer(GL_RENDERBUFFER, bound_renderbuffer);
+
+ return format;
+}
+
+
static bool
getFramebufferAttachmentSize(GLenum target, GLenum attachment, GLint *width, GLint *height)
{
}
-Image::Image *
-getDrawBufferImage(GLenum format) {
+
+static GLint
+getFramebufferAttachmentFormat(GLenum target, GLenum attachment)
+{
+ GLint object_type = GL_NONE;
+ glGetFramebufferAttachmentParameteriv(target, attachment,
+ GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE,
+ &object_type);
+ if (object_type == GL_NONE) {
+ return GL_NONE;
+ }
+
+ GLint object_name = 0;
+ glGetFramebufferAttachmentParameteriv(target, attachment,
+ GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
+ &object_name);
+ if (object_name == 0) {
+ return GL_NONE;
+ }
+
+ if (object_type == GL_RENDERBUFFER) {
+ return getRenderbufferFormat(object_name);
+ } else if (object_type == GL_TEXTURE) {
+ GLint texture_level = 0;
+ glGetFramebufferAttachmentParameteriv(target, attachment,
+ GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL,
+ &texture_level);
+ return getTextureLevelFormat(object_name, texture_level);
+ } else {
+ std::cerr << "warning: unexpected GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE = " << object_type << "\n";
+ return GL_NONE;
+ }
+}
+
+
+
+image::Image *
+getDrawBufferImage() {
+ GLenum format = GL_RGB;
GLint channels = __gl_format_channels(format);
if (channels > 4) {
return NULL;
}
+ Context context;
+
+ GLenum framebuffer_binding;
+ GLenum framebuffer_target;
+ if (context.ES) {
+ framebuffer_binding = GL_FRAMEBUFFER_BINDING;
+ framebuffer_target = GL_FRAMEBUFFER;
+ } else {
+ framebuffer_binding = GL_DRAW_FRAMEBUFFER_BINDING;
+ framebuffer_target = GL_DRAW_FRAMEBUFFER;
+ }
+
GLint draw_framebuffer = 0;
- glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &draw_framebuffer);
+ glGetIntegerv(framebuffer_binding, &draw_framebuffer);
GLint draw_buffer = GL_NONE;
GLint width, height;
if (draw_framebuffer) {
- glGetIntegerv(GL_DRAW_BUFFER0, &draw_buffer);
- if (draw_buffer == GL_NONE) {
- return NULL;
+ if (context.ARB_draw_buffers) {
+ glGetIntegerv(GL_DRAW_BUFFER0, &draw_buffer);
+ if (draw_buffer == GL_NONE) {
+ return NULL;
+ }
}
- if (!getFramebufferAttachmentSize(GL_DRAW_FRAMEBUFFER, draw_buffer, &width, &height)) {
+ if (!getFramebufferAttachmentSize(framebuffer_target, draw_buffer, &width, &height)) {
return NULL;
}
} else {
- glGetIntegerv(GL_DRAW_BUFFER, &draw_buffer);
- if (draw_buffer == GL_NONE) {
- return NULL;
+ if (!context.ES) {
+ glGetIntegerv(GL_DRAW_BUFFER, &draw_buffer);
+ if (draw_buffer == GL_NONE) {
+ return NULL;
+ }
}
if (!getDrawableBounds(&width, &height)) {
}
}
- Image::Image *image = new Image::Image(width, height, channels, true);
+ GLenum type = GL_UNSIGNED_BYTE;
+
+#if DEPTH_AS_RGBA
+ if (format == GL_DEPTH_COMPONENT) {
+ type = GL_UNSIGNED_INT;
+ channels = 4;
+ }
+#endif
+
+ image::Image *image = new image::Image(width, height, channels, true);
if (!image) {
return NULL;
}
while (glGetError() != GL_NO_ERROR) {}
GLint read_framebuffer = 0;
- glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &read_framebuffer);
- glBindFramebuffer(GL_READ_FRAMEBUFFER, draw_framebuffer);
+ GLint read_buffer = GL_NONE;
+ if (!context.ES) {
+ glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &read_framebuffer);
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, draw_framebuffer);
- GLint read_buffer = 0;
- glGetIntegerv(GL_READ_BUFFER, &read_buffer);
- glReadBuffer(draw_buffer);
+ glGetIntegerv(GL_READ_BUFFER, &read_buffer);
+ glReadBuffer(draw_buffer);
+ }
// TODO: reset imaging state too
- resetPixelPackState();
+ context.resetPixelPackState();
- glReadPixels(0, 0, width, height, format, GL_UNSIGNED_BYTE, image->pixels);
+ glReadPixels(0, 0, width, height, format, type, image->pixels);
- restorePixelPackState();
- glReadBuffer(read_buffer);
- glBindFramebuffer(GL_READ_FRAMEBUFFER, read_framebuffer);
+ context.restorePixelPackState();
+
+ if (!context.ES) {
+ glReadBuffer(read_buffer);
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, read_framebuffer);
+ }
GLenum error = glGetError();
if (error != GL_NO_ERROR) {
* Dump the image of the currently bound read buffer.
*/
static inline void
-dumpReadBufferImage(JSONWriter &json, GLint width, GLint height, GLenum format)
+dumpReadBufferImage(JSONWriter &json, GLint width, GLint height, GLenum format,
+ GLint internalFormat = GL_NONE)
{
GLint channels = __gl_format_channels(format);
+ Context context;
+
json.beginObject();
// Tell the GUI this is no ordinary object, but an image
json.writeNumberMember("__height__", height);
json.writeNumberMember("__depth__", 1);
+ json.writeStringMember("__format__", enumToString(internalFormat));
+
// Hardcoded for now, but we could chose types more adequate to the
// texture internal format
json.writeStringMember("__type__", "uint8");
json.writeBoolMember("__normalized__", true);
json.writeNumberMember("__channels__", channels);
+ GLenum type = GL_UNSIGNED_BYTE;
+
+#if DEPTH_AS_RGBA
+ if (format == GL_DEPTH_COMPONENT) {
+ type = GL_UNSIGNED_INT;
+ channels = 4;
+ }
+#endif
+
GLubyte *pixels = new GLubyte[width*height*channels];
// TODO: reset imaging state too
- resetPixelPackState();
+ context.resetPixelPackState();
- glReadPixels(0, 0, width, height, format, GL_UNSIGNED_BYTE, pixels);
+ glReadPixels(0, 0, width, height, format, type, pixels);
- restorePixelPackState();
+ context.restorePixelPackState();
json.beginMember("__data__");
char *pngBuffer;
int pngBufferSize;
- Image::writePixelsToBuffer(pixels, width, height, channels, true, &pngBuffer, &pngBufferSize);
+ image::writePixelsToBuffer(pixels, width, height, channels, true, &pngBuffer, &pngBufferSize);
//std::cerr <<" Before = "<<(width * height * channels * sizeof *pixels)
// <<", after = "<<pngBufferSize << ", ratio = " << double(width * height * channels * sizeof *pixels)/pngBufferSize;
json.writeBase64(pngBuffer, pngBufferSize);
* Dump images of current draw drawable/window.
*/
static void
-dumpDrawableImages(JSONWriter &json)
+dumpDrawableImages(JSONWriter &json, Context &context)
{
GLint width, height;
}
GLint draw_buffer = GL_NONE;
- glGetIntegerv(GL_DRAW_BUFFER, &draw_buffer);
- glReadBuffer(draw_buffer);
+ if (context.ES) {
+ draw_buffer = GL_BACK;
+ } else {
+ glGetIntegerv(GL_DRAW_BUFFER, &draw_buffer);
+ glReadBuffer(draw_buffer);
+ }
if (draw_buffer != GL_NONE) {
GLint read_buffer = GL_NONE;
- glGetIntegerv(GL_READ_BUFFER, &read_buffer);
+ if (!context.ES) {
+ glGetIntegerv(GL_READ_BUFFER, &read_buffer);
+ }
GLint alpha_bits = 0;
+#if 0
+ // XXX: Ignore alpha until we are able to match the traced visual
glGetIntegerv(GL_ALPHA_BITS, &alpha_bits);
+#endif
GLenum format = alpha_bits ? GL_RGBA : GL_RGB;
json.beginMember(enumToString(draw_buffer));
dumpReadBufferImage(json, width, height, format);
json.endMember();
- glReadBuffer(read_buffer);
+ if (!context.ES) {
+ glReadBuffer(read_buffer);
+ }
}
- GLint depth_bits = 0;
- glGetIntegerv(GL_DEPTH_BITS, &depth_bits);
- if (depth_bits) {
- json.beginMember("GL_DEPTH_COMPONENT");
- dumpReadBufferImage(json, width, height, GL_DEPTH_COMPONENT);
- json.endMember();
- }
+ if (!context.ES) {
+ GLint depth_bits = 0;
+ glGetIntegerv(GL_DEPTH_BITS, &depth_bits);
+ if (depth_bits) {
+ json.beginMember("GL_DEPTH_COMPONENT");
+ dumpReadBufferImage(json, width, height, GL_DEPTH_COMPONENT);
+ json.endMember();
+ }
- GLint stencil_bits = 0;
- glGetIntegerv(GL_STENCIL_BITS, &stencil_bits);
- if (stencil_bits) {
- json.beginMember("GL_STENCIL_INDEX");
- dumpReadBufferImage(json, width, height, GL_STENCIL_INDEX);
- json.endMember();
+ GLint stencil_bits = 0;
+ glGetIntegerv(GL_STENCIL_BITS, &stencil_bits);
+ if (stencil_bits) {
+ json.beginMember("GL_STENCIL_INDEX");
+ dumpReadBufferImage(json, width, height, GL_STENCIL_INDEX);
+ json.endMember();
+ }
}
}
+
+
/**
* Dump the specified framebuffer attachment.
*
return;
}
+ GLint internalFormat = getFramebufferAttachmentFormat(target, attachment);
+
json.beginMember(enumToString(attachment));
- dumpReadBufferImage(json, width, height, format);
+ dumpReadBufferImage(json, width, height, format, internalFormat);
json.endMember();
}
static void
-dumpFramebufferAttachments(JSONWriter &json, GLenum target)
+dumpFramebufferAttachments(JSONWriter &json, Context &context, GLenum target)
{
GLint read_framebuffer = 0;
glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &read_framebuffer);
glReadBuffer(read_buffer);
- dumpFramebufferAttachment(json, target, GL_DEPTH_ATTACHMENT, GL_DEPTH_COMPONENT);
- dumpFramebufferAttachment(json, target, GL_STENCIL_ATTACHMENT, GL_STENCIL_INDEX);
+ if (!context.ES) {
+ dumpFramebufferAttachment(json, target, GL_DEPTH_ATTACHMENT, GL_DEPTH_COMPONENT);
+ dumpFramebufferAttachment(json, target, GL_STENCIL_ATTACHMENT, GL_STENCIL_INDEX);
+ }
glBindFramebuffer(GL_READ_FRAMEBUFFER, read_framebuffer);
}
static void
-dumpFramebuffer(JSONWriter &json)
+dumpFramebuffer(JSONWriter &json, Context &context)
{
json.beginMember("framebuffer");
json.beginObject();
glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &boundDrawFbo);
glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &boundReadFbo);
if (!boundDrawFbo) {
- dumpDrawableImages(json);
+ dumpDrawableImages(json, context);
+ } else if (context.ES) {
+ dumpFramebufferAttachments(json, context, GL_FRAMEBUFFER);
} else {
GLint colorRb = 0, stencilRb = 0, depthRb = 0;
GLint draw_buffer0 = GL_NONE;
rbs, &numRbs);
}
- dumpFramebufferAttachments(json, GL_DRAW_FRAMEBUFFER);
+ dumpFramebufferAttachments(json, context, GL_DRAW_FRAMEBUFFER);
if (multisample) {
glBindRenderbuffer(GL_RENDERBUFFER_BINDING, boundRb);
}
#endif
- dumpParameters(json);
+ Context context;
+
+ dumpParameters(json, context);
dumpShadersUniforms(json);
- dumpTextures(json);
- dumpFramebuffer(json);
+ dumpTextures(json, context);
+ dumpFramebuffer(json, context);
#ifndef NDEBUG
for (unsigned i = 0; i < NUM_BINDINGS; ++i) {