/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "GLClientState.h"
#include "GLESTextureUtils.h"
#include "ErrorLog.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "glUtils.h"
#include <cutils/log.h>
#ifndef MAX
#define MAX(a, b) ((a) < (b) ? (b) : (a))
#endif
// Don't include these in the .h file, or we get weird compile errors.
#include <GLES3/gl3.h>
#include <GLES3/gl31.h>
void GLClientState::init() {
m_initialized = false;
m_nLocations = CODEC_MAX_VERTEX_ATTRIBUTES;
m_arrayBuffer = 0;
m_max_vertex_attrib_bindings = m_nLocations;
addVertexArrayObject(0);
setVertexArrayObject(0);
// init gl constans;
m_currVaoState[VERTEX_LOCATION].glConst = GL_VERTEX_ARRAY;
m_currVaoState[NORMAL_LOCATION].glConst = GL_NORMAL_ARRAY;
m_currVaoState[COLOR_LOCATION].glConst = GL_COLOR_ARRAY;
m_currVaoState[POINTSIZE_LOCATION].glConst = GL_POINT_SIZE_ARRAY_OES;
m_currVaoState[TEXCOORD0_LOCATION].glConst = GL_TEXTURE_COORD_ARRAY;
m_currVaoState[TEXCOORD1_LOCATION].glConst = GL_TEXTURE_COORD_ARRAY;
m_currVaoState[TEXCOORD2_LOCATION].glConst = GL_TEXTURE_COORD_ARRAY;
m_currVaoState[TEXCOORD3_LOCATION].glConst = GL_TEXTURE_COORD_ARRAY;
m_currVaoState[TEXCOORD4_LOCATION].glConst = GL_TEXTURE_COORD_ARRAY;
m_currVaoState[TEXCOORD5_LOCATION].glConst = GL_TEXTURE_COORD_ARRAY;
m_currVaoState[TEXCOORD6_LOCATION].glConst = GL_TEXTURE_COORD_ARRAY;
m_currVaoState[TEXCOORD7_LOCATION].glConst = GL_TEXTURE_COORD_ARRAY;
m_currVaoState[MATRIXINDEX_LOCATION].glConst = GL_MATRIX_INDEX_ARRAY_OES;
m_currVaoState[WEIGHT_LOCATION].glConst = GL_WEIGHT_ARRAY_OES;
m_copyReadBuffer = 0;
m_copyWriteBuffer = 0;
m_pixelPackBuffer = 0;
m_pixelUnpackBuffer = 0;
m_transformFeedbackBuffer = 0;
m_uniformBuffer = 0;
m_atomicCounterBuffer = 0;
m_dispatchIndirectBuffer = 0;
m_drawIndirectBuffer = 0;
m_shaderStorageBuffer = 0;
m_transformFeedbackActiveUnpaused = false;
// to be modified later when these are queried from host.
m_max_transform_feedback_separate_attribs = 0;
m_max_uniform_buffer_bindings = 0;
m_max_atomic_counter_buffer_bindings = 0;
m_max_shader_storage_buffer_bindings = 0;
m_activeTexture = 0;
m_currentProgram = 0;
m_currentShaderProgram = 0;
m_pixelStore.unpack_alignment = 4;
m_pixelStore.pack_alignment = 4;
m_pixelStore.unpack_row_length = 0;
m_pixelStore.unpack_image_height = 0;
m_pixelStore.unpack_skip_pixels = 0;
m_pixelStore.unpack_skip_rows = 0;
m_pixelStore.unpack_skip_images = 0;
m_pixelStore.pack_row_length = 0;
m_pixelStore.pack_skip_pixels = 0;
m_pixelStore.pack_skip_rows = 0;
memset(m_tex.unit, 0, sizeof(m_tex.unit));
m_tex.activeUnit = &m_tex.unit[0];
m_tex.textureRecs = NULL;
mRboState.boundRenderbuffer = 0;
mRboState.boundRenderbufferIndex = 0;
mFboState.boundDrawFramebuffer = 0;
mFboState.boundReadFramebuffer = 0;
mFboState.drawFboCheckStatus = GL_NONE;
mFboState.readFboCheckStatus = GL_NONE;
m_maxVertexAttribsDirty = true;
}
GLClientState::GLClientState()
{
init();
}
GLClientState::GLClientState(int majorVersion, int minorVersion) :
m_glesMajorVersion(majorVersion),
m_glesMinorVersion(minorVersion) {
init();
}
GLClientState::~GLClientState()
{
}
void GLClientState::enable(int location, int state)
{
m_currVaoState[location].enableDirty |= (state != m_currVaoState[location].enabled);
m_currVaoState[location].enabled = state;
}
void GLClientState::setVertexAttribState(int location, int size, GLenum type, GLboolean normalized, GLsizei stride, const void *data, bool isInt)
{
m_currVaoState[location].size = size;
m_currVaoState[location].type = type;
m_currVaoState[location].stride = stride;
m_currVaoState[location].data = (void*)data;
m_currVaoState[location].bufferObject = m_arrayBuffer;
m_currVaoState[location].elementSize = size ? (glSizeof(type) * size) : 0;
switch (type) {
case GL_INT_2_10_10_10_REV:
case GL_UNSIGNED_INT_2_10_10_10_REV:
m_currVaoState[location].elementSize =
m_currVaoState[location].elementSize / 4;
break;
default:
break;
}
m_currVaoState[location].normalized = normalized;
m_currVaoState[location].isInt = isInt;
}
void GLClientState::setVertexBindingDivisor(int bindingindex, GLuint divisor) {
m_currVaoState.bufferBinding(bindingindex).divisor = divisor;
}
const GLClientState::BufferBinding& GLClientState::getCurrAttributeBindingInfo(int attribindex) {
return m_currVaoState.bufferBindings_const()[m_currVaoState[attribindex].bindingindex];
}
void GLClientState::setVertexAttribBinding(int attribindex, int bindingindex) {
m_currVaoState[attribindex].bindingindex = bindingindex;
}
void GLClientState::setVertexAttribFormat(int location, int size, GLenum type, GLboolean normalized, GLuint reloffset, bool isInt) {
m_currVaoState[location].size = size;
m_currVaoState[location].type = type;
m_currVaoState[location].normalized = normalized;
m_currVaoState[location].reloffset = reloffset;
m_currVaoState[location].elementSize = size ? (glSizeof(type) * size) : 0;
switch (type) {
case GL_INT_2_10_10_10_REV:
case GL_UNSIGNED_INT_2_10_10_10_REV:
m_currVaoState[location].elementSize =
m_currVaoState[location].elementSize / 4;
break;
default:
break;
}
m_currVaoState[location].isInt = isInt;
}
void GLClientState::addVertexArrayObjects(GLsizei n, GLuint* arrays) {
for (GLsizei i = 0; i < n; i++) {
addVertexArrayObject(arrays[i]);
}
}
void GLClientState::removeVertexArrayObjects(GLsizei n, const GLuint* arrays) {
for (GLsizei i = 0; i < n; i++) {
if (arrays[i] && m_currVaoState.vaoId() == arrays[i]) {
setVertexArrayObject(0);
}
removeVertexArrayObject(arrays[i]);
}
}
void GLClientState::addVertexArrayObject(GLuint name) {
if (m_vaoMap.find(name) !=
m_vaoMap.end()) {
ALOGE("%s: ERROR: %u already part of current VAO state!",
__FUNCTION__, name);
return;
}
m_vaoMap.insert(
VAOStateMap::value_type(
name,
VAOState(0, m_nLocations, std::max(m_nLocations, m_max_vertex_attrib_bindings))));
VertexAttribStateVector& attribState =
m_vaoMap.find(name)->second.attribState;
for (int i = 0; i < m_nLocations; i++) {
attribState[i].enabled = 0;
attribState[i].enableDirty = false;
attribState[i].data = 0;
attribState[i].reloffset = 0;
attribState[i].bindingindex = i;
attribState[i].divisor = 0;
attribState[i].size = 4; // 4 is the default size
attribState[i].type = GL_FLOAT; // GL_FLOAT is the default type
}
VertexAttribBindingVector& bindingState =
m_vaoMap.find(name)->second.bindingState;
for (int i = 0; i < bindingState.size(); i++) {
bindingState[i].effectiveStride = 16;
}
}
void GLClientState::removeVertexArrayObject(GLuint name) {
if (name == 0) {
ALOGE("%s: ERROR: cannot delete VAO 0!",
__FUNCTION__);
return;
}
if (m_vaoMap.find(name) ==
m_vaoMap.end()) {
ALOGE("%s: ERROR: %u not found in VAO state!",
__FUNCTION__, name);
return;
}
m_vaoMap.erase(name);
}
void GLClientState::setVertexArrayObject(GLuint name) {
if (m_vaoMap.find(name) ==
m_vaoMap.end()) {
ALOGE("%s: ERROR: %u not found in VAO state!",
__FUNCTION__, name);
return;
}
if (name && m_currVaoState.vaoId() == name) {
ALOGV("%s: set vao to self, no-op (%u)",
__FUNCTION__, name);
return;
}
m_currVaoState =
VAOStateRef(m_vaoMap.find(name));
ALOGV("%s: set vao to %u (%u) %u %u", __FUNCTION__,
name,
m_currVaoState.vaoId(),
m_arrayBuffer,
m_currVaoState.iboId());
}
bool GLClientState::isVertexArrayObject(GLuint vao) const {
return m_vaoMap.find(vao) != m_vaoMap.end();
}
const GLClientState::VertexAttribState& GLClientState::getState(int location)
{
return m_currVaoState[location];
}
const GLClientState::VertexAttribState& GLClientState::getStateAndEnableDirty(int location, bool *enableChanged)
{
if (enableChanged) {
*enableChanged = m_currVaoState[location].enableDirty;
}
m_currVaoState[location].enableDirty = false;
return m_currVaoState[location];
}
int GLClientState::getLocation(GLenum loc)
{
int retval;
switch(loc) {
case GL_VERTEX_ARRAY:
retval = int(VERTEX_LOCATION);
break;
case GL_NORMAL_ARRAY:
retval = int(NORMAL_LOCATION);
break;
case GL_COLOR_ARRAY:
retval = int(COLOR_LOCATION);
break;
case GL_POINT_SIZE_ARRAY_OES:
retval = int(POINTSIZE_LOCATION);
break;
case GL_TEXTURE_COORD_ARRAY:
retval = int (TEXCOORD0_LOCATION + m_activeTexture);
break;
case GL_MATRIX_INDEX_ARRAY_OES:
retval = int (MATRIXINDEX_LOCATION);
break;
case GL_WEIGHT_ARRAY_OES:
retval = int (WEIGHT_LOCATION);
break;
default:
retval = loc;
}
return retval;
}
static void sClearIndexedBufferBinding(GLuint id, std::vector<GLClientState::BufferBinding>& bindings) {
for (size_t i = 0; i < bindings.size(); i++) {
if (bindings[i].buffer == id) {
bindings[i].offset = 0;
bindings[i].stride = 0;
bindings[i].effectiveStride = 16;
bindings[i].size = 0;
bindings[i].buffer = 0;
bindings[i].divisor = 0;
}
}
}
void GLClientState::addBuffer(GLuint id) {
mBufferIds.insert(id);
}
void GLClientState::removeBuffer(GLuint id) {
mBufferIds.erase(id);
}
bool GLClientState::bufferIdExists(GLuint id) const {
return mBufferIds.find(id) != mBufferIds.end();
}
void GLClientState::unBindBuffer(GLuint id) {
if (m_arrayBuffer == id) m_arrayBuffer = 0;
if (m_currVaoState.iboId() == id) m_currVaoState.iboId() = 0;
if (m_copyReadBuffer == id)
m_copyReadBuffer = 0;
if (m_copyWriteBuffer == id)
m_copyWriteBuffer = 0;
if (m_pixelPackBuffer == id)
m_pixelPackBuffer = 0;
if (m_pixelUnpackBuffer == id)
m_pixelUnpackBuffer = 0;
if (m_transformFeedbackBuffer == id)
m_transformFeedbackBuffer = 0;
if (m_uniformBuffer == id)
m_uniformBuffer = 0;
if (m_atomicCounterBuffer == id)
m_atomicCounterBuffer = 0;
if (m_dispatchIndirectBuffer == id)
m_dispatchIndirectBuffer = 0;
if (m_drawIndirectBuffer == id)
m_drawIndirectBuffer = 0;
if (m_shaderStorageBuffer == id)
m_shaderStorageBuffer = 0;
sClearIndexedBufferBinding(id, m_indexedTransformFeedbackBuffers);
sClearIndexedBufferBinding(id, m_indexedUniformBuffers);
sClearIndexedBufferBinding(id, m_indexedAtomicCounterBuffers);
sClearIndexedBufferBinding(id, m_indexedShaderStorageBuffers);
sClearIndexedBufferBinding(id, m_currVaoState.bufferBindings());
}
int GLClientState::bindBuffer(GLenum target, GLuint id)
{
int err = 0;
switch(target) {
case GL_ARRAY_BUFFER:
m_arrayBuffer = id;
break;
case GL_ELEMENT_ARRAY_BUFFER:
m_currVaoState.iboId() = id;
break;
case GL_COPY_READ_BUFFER:
m_copyReadBuffer = id;
break;
case GL_COPY_WRITE_BUFFER:
m_copyWriteBuffer = id;
break;
case GL_PIXEL_PACK_BUFFER:
m_pixelPackBuffer = id;
break;
case GL_PIXEL_UNPACK_BUFFER:
m_pixelUnpackBuffer = id;
break;
case GL_TRANSFORM_FEEDBACK_BUFFER:
m_transformFeedbackBuffer = id;
break;
case GL_UNIFORM_BUFFER:
m_uniformBuffer = id;
break;
case GL_ATOMIC_COUNTER_BUFFER:
m_atomicCounterBuffer = id;
break;
case GL_DISPATCH_INDIRECT_BUFFER:
m_dispatchIndirectBuffer = id;
break;
case GL_DRAW_INDIRECT_BUFFER:
m_drawIndirectBuffer = id;
break;
case GL_SHADER_STORAGE_BUFFER:
m_shaderStorageBuffer = id;
break;
default:
err = -1;
}
return err;
}
void GLClientState::bindIndexedBuffer(GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size, GLintptr stride, GLintptr effectiveStride) {
switch (target) {
case GL_TRANSFORM_FEEDBACK_BUFFER:
m_indexedTransformFeedbackBuffers[index].buffer = buffer;
m_indexedTransformFeedbackBuffers[index].offset = offset;
m_indexedTransformFeedbackBuffers[index].size = size;
m_indexedTransformFeedbackBuffers[index].stride = stride;
break;
case GL_UNIFORM_BUFFER:
m_indexedUniformBuffers[index].buffer = buffer;
m_indexedUniformBuffers[index].offset = offset;
m_indexedUniformBuffers[index].size = size;
m_indexedUniformBuffers[index].stride = stride;
break;
case GL_ATOMIC_COUNTER_BUFFER:
m_indexedAtomicCounterBuffers[index].buffer = buffer;
m_indexedAtomicCounterBuffers[index].offset = offset;
m_indexedAtomicCounterBuffers[index].size = size;
m_indexedAtomicCounterBuffers[index].stride = stride;
break;
case GL_SHADER_STORAGE_BUFFER:
m_indexedShaderStorageBuffers[index].buffer = buffer;
m_indexedShaderStorageBuffers[index].offset = offset;
m_indexedShaderStorageBuffers[index].size = size;
m_indexedShaderStorageBuffers[index].stride = stride;
break;
default:
m_currVaoState.bufferBinding(index).buffer = buffer;
m_currVaoState.bufferBinding(index).offset = offset;
m_currVaoState.bufferBinding(index).size = size;
m_currVaoState.bufferBinding(index).stride = stride;
m_currVaoState.bufferBinding(index).effectiveStride = effectiveStride;
return;
}
}
int GLClientState::getMaxIndexedBufferBindings(GLenum target) const {
switch (target) {
case GL_TRANSFORM_FEEDBACK_BUFFER:
return m_indexedTransformFeedbackBuffers.size();
case GL_UNIFORM_BUFFER:
return m_indexedUniformBuffers.size();
case GL_ATOMIC_COUNTER_BUFFER:
return m_indexedAtomicCounterBuffers.size();
case GL_SHADER_STORAGE_BUFFER:
return m_indexedShaderStorageBuffers.size();
default:
return m_currVaoState.bufferBindings_const().size();
}
}
int GLClientState::getBuffer(GLenum target) {
int ret=0;
switch (target) {
case GL_ARRAY_BUFFER:
ret = m_arrayBuffer;
break;
case GL_ELEMENT_ARRAY_BUFFER:
ret = m_currVaoState.iboId();
break;
case GL_COPY_READ_BUFFER:
ret = m_copyReadBuffer;
break;
case GL_COPY_WRITE_BUFFER:
ret = m_copyWriteBuffer;
break;
case GL_PIXEL_PACK_BUFFER:
ret = m_pixelPackBuffer;
break;
case GL_PIXEL_UNPACK_BUFFER:
ret = m_pixelUnpackBuffer;
break;
case GL_TRANSFORM_FEEDBACK_BUFFER:
ret = m_transformFeedbackBuffer;
break;
case GL_UNIFORM_BUFFER:
ret = m_uniformBuffer;
break;
case GL_ATOMIC_COUNTER_BUFFER:
ret = m_atomicCounterBuffer;
break;
case GL_DISPATCH_INDIRECT_BUFFER:
ret = m_dispatchIndirectBuffer;
break;
case GL_DRAW_INDIRECT_BUFFER:
ret = m_drawIndirectBuffer;
break;
case GL_SHADER_STORAGE_BUFFER:
ret = m_shaderStorageBuffer;
break;
default:
ret = -1;
}
return ret;
}
void GLClientState::getClientStatePointer(GLenum pname, GLvoid** params)
{
GLenum which_state = -1;
switch (pname) {
case GL_VERTEX_ARRAY_POINTER: {
which_state = GLClientState::VERTEX_LOCATION;
break;
}
case GL_NORMAL_ARRAY_POINTER: {
which_state = GLClientState::NORMAL_LOCATION;
break;
}
case GL_COLOR_ARRAY_POINTER: {
which_state = GLClientState::COLOR_LOCATION;
break;
}
case GL_TEXTURE_COORD_ARRAY_POINTER: {
which_state = getActiveTexture() + GLClientState::TEXCOORD0_LOCATION;
break;
}
case GL_POINT_SIZE_ARRAY_POINTER_OES: {
which_state = GLClientState::POINTSIZE_LOCATION;
break;
}
case GL_MATRIX_INDEX_ARRAY_POINTER_OES: {
which_state = GLClientState::MATRIXINDEX_LOCATION;
break;
}
case GL_WEIGHT_ARRAY_POINTER_OES: {
which_state = GLClientState::WEIGHT_LOCATION;
break;
}
}
if (which_state != -1)
*params = getState(which_state).data;
}
int GLClientState::setPixelStore(GLenum param, GLint value)
{
int retval = 0;
switch(param) {
case GL_UNPACK_ALIGNMENT:
m_pixelStore.unpack_alignment = value;
break;
case GL_PACK_ALIGNMENT:
m_pixelStore.pack_alignment = value;
break;
case GL_UNPACK_ROW_LENGTH:
m_pixelStore.unpack_row_length = value;
break;
case GL_UNPACK_IMAGE_HEIGHT:
m_pixelStore.unpack_image_height = value;
break;
case GL_UNPACK_SKIP_PIXELS:
m_pixelStore.unpack_skip_pixels = value;
break;
case GL_UNPACK_SKIP_ROWS:
m_pixelStore.unpack_skip_rows = value;
break;
case GL_UNPACK_SKIP_IMAGES:
m_pixelStore.unpack_skip_images = value;
break;
case GL_PACK_ROW_LENGTH:
m_pixelStore.pack_row_length = value;
break;
case GL_PACK_SKIP_PIXELS:
m_pixelStore.pack_skip_pixels = value;
break;
case GL_PACK_SKIP_ROWS:
m_pixelStore.pack_skip_rows = value;
break;
default:
retval = GL_INVALID_ENUM;
}
return retval;
}
size_t GLClientState::pixelDataSize(GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, int pack) const
{
if (width <= 0 || height <= 0 || depth <= 0) return 0;
ALOGV("%s: pack? %d", __FUNCTION__, pack);
if (pack) {
ALOGV("%s: pack stats", __FUNCTION__);
ALOGV("%s: pack align %d", __FUNCTION__, m_pixelStore.pack_alignment);
ALOGV("%s: pack rowlen %d", __FUNCTION__, m_pixelStore.pack_row_length);
ALOGV("%s: pack skippixels %d", __FUNCTION__, m_pixelStore.pack_skip_pixels);
ALOGV("%s: pack skiprows %d", __FUNCTION__, m_pixelStore.pack_skip_rows);
} else {
ALOGV("%s: unpack stats", __FUNCTION__);
ALOGV("%s: unpack align %d", __FUNCTION__, m_pixelStore.unpack_alignment);
ALOGV("%s: unpack rowlen %d", __FUNCTION__, m_pixelStore.unpack_row_length);
ALOGV("%s: unpack imgheight %d", __FUNCTION__, m_pixelStore.unpack_image_height);
ALOGV("%s: unpack skippixels %d", __FUNCTION__, m_pixelStore.unpack_skip_pixels);
ALOGV("%s: unpack skiprows %d", __FUNCTION__, m_pixelStore.unpack_skip_rows);
ALOGV("%s: unpack skipimages %d", __FUNCTION__, m_pixelStore.unpack_skip_images);
}
return GLESTextureUtils::computeTotalImageSize(
width, height, depth,
format, type,
pack ? m_pixelStore.pack_alignment : m_pixelStore.unpack_alignment,
pack ? m_pixelStore.pack_row_length : m_pixelStore.unpack_row_length,
pack ? 0 : m_pixelStore.unpack_image_height,
pack ? m_pixelStore.pack_skip_pixels : m_pixelStore.unpack_skip_pixels,
pack ? m_pixelStore.pack_skip_rows : m_pixelStore.unpack_skip_rows,
pack ? 0 : m_pixelStore.unpack_skip_images);
}
size_t GLClientState::pboNeededDataSize(GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, int pack) const
{
if (width <= 0 || height <= 0 || depth <= 0) return 0;
ALOGV("%s: pack? %d", __FUNCTION__, pack);
if (pack) {
ALOGV("%s: pack stats", __FUNCTION__);
ALOGV("%s: pack align %d", __FUNCTION__, m_pixelStore.pack_alignment);
ALOGV("%s: pack rowlen %d", __FUNCTION__, m_pixelStore.pack_row_length);
ALOGV("%s: pack skippixels %d", __FUNCTION__, m_pixelStore.pack_skip_pixels);
ALOGV("%s: pack skiprows %d", __FUNCTION__, m_pixelStore.pack_skip_rows);
} else {
ALOGV("%s: unpack stats", __FUNCTION__);
ALOGV("%s: unpack align %d", __FUNCTION__, m_pixelStore.unpack_alignment);
ALOGV("%s: unpack rowlen %d", __FUNCTION__, m_pixelStore.unpack_row_length);
ALOGV("%s: unpack imgheight %d", __FUNCTION__, m_pixelStore.unpack_image_height);
ALOGV("%s: unpack skippixels %d", __FUNCTION__, m_pixelStore.unpack_skip_pixels);
ALOGV("%s: unpack skiprows %d", __FUNCTION__, m_pixelStore.unpack_skip_rows);
ALOGV("%s: unpack skipimages %d", __FUNCTION__, m_pixelStore.unpack_skip_images);
}
return GLESTextureUtils::computeNeededBufferSize(
width, height, depth,
format, type,
pack ? m_pixelStore.pack_alignment : m_pixelStore.unpack_alignment,
pack ? m_pixelStore.pack_row_length : m_pixelStore.unpack_row_length,
pack ? 0 : m_pixelStore.unpack_image_height,
pack ? m_pixelStore.pack_skip_pixels : m_pixelStore.unpack_skip_pixels,
pack ? m_pixelStore.pack_skip_rows : m_pixelStore.unpack_skip_rows,
pack ? 0 : m_pixelStore.unpack_skip_images);
}
size_t GLClientState::clearBufferNumElts(GLenum buffer) const
{
switch (buffer) {
case GL_COLOR:
return 4;
case GL_DEPTH:
case GL_STENCIL:
return 1;
}
return 1;
}
void GLClientState::setNumActiveUniformsInUniformBlock(GLuint program, GLuint uniformBlockIndex, GLint numActiveUniforms) {
UniformBlockInfoKey key;
key.program = program;
key.uniformBlockIndex = uniformBlockIndex;
UniformBlockUniformInfo info;
info.numActiveUniforms = (size_t)numActiveUniforms;
m_uniformBlockInfoMap[key] = info;
}
size_t GLClientState::numActiveUniformsInUniformBlock(GLuint program, GLuint uniformBlockIndex) const {
UniformBlockInfoKey key;
key.program = program;
key.uniformBlockIndex = uniformBlockIndex;
UniformBlockInfoMap::const_iterator it =
m_uniformBlockInfoMap.find(key);
if (it == m_uniformBlockInfoMap.end()) return 0;
return it->second.numActiveUniforms;
}
void GLClientState::associateProgramWithPipeline(GLuint program, GLuint pipeline) {
m_programPipelines[program] = pipeline;
}
GLClientState::ProgramPipelineIterator GLClientState::programPipelineBegin() {
return m_programPipelines.begin();
}
GLClientState::ProgramPipelineIterator GLClientState::programPipelineEnd() {
return m_programPipelines.end();
}
GLenum GLClientState::setActiveTextureUnit(GLenum texture)
{
GLuint unit = texture - GL_TEXTURE0;
if (unit >= MAX_TEXTURE_UNITS) {
return GL_INVALID_ENUM;
}
m_tex.activeUnit = &m_tex.unit[unit];
return GL_NO_ERROR;
}
GLenum GLClientState::getActiveTextureUnit() const
{
return GL_TEXTURE0 + (m_tex.activeUnit - &m_tex.unit[0]);
}
void GLClientState::enableTextureTarget(GLenum target)
{
switch (target) {
case GL_TEXTURE_2D:
m_tex.activeUnit->enables |= (1u << TEXTURE_2D);
break;
case GL_TEXTURE_EXTERNAL_OES:
m_tex.activeUnit->enables |= (1u << TEXTURE_EXTERNAL);
break;
}
}
void GLClientState::disableTextureTarget(GLenum target)
{
switch (target) {
case GL_TEXTURE_2D:
m_tex.activeUnit->enables &= ~(1u << TEXTURE_2D);
break;
case GL_TEXTURE_EXTERNAL_OES:
m_tex.activeUnit->enables &= ~(1u << TEXTURE_EXTERNAL);
break;
}
}
GLenum GLClientState::getPriorityEnabledTarget(GLenum allDisabled) const
{
unsigned int enables = m_tex.activeUnit->enables;
if (enables & (1u << TEXTURE_EXTERNAL)) {
return GL_TEXTURE_EXTERNAL_OES;
} else if (enables & (1u << TEXTURE_2D)) {
return GL_TEXTURE_2D;
} else {
return allDisabled;
}
}
int GLClientState::compareTexId(const void* pid, const void* prec)
{
const GLuint* id = (const GLuint*)pid;
const TextureRec* rec = (const TextureRec*)prec;
return (GLint)(*id) - (GLint)rec->id;
}
GLenum GLClientState::bindTexture(GLenum target, GLuint texture,
GLboolean* firstUse)
{
GLboolean first = GL_FALSE;
TextureRec* texrec = getTextureRec(texture);
if (!texrec) {
texrec = addTextureRec(texture, target);
}
if (texture && target != texrec->target &&
(target != GL_TEXTURE_EXTERNAL_OES &&
texrec->target != GL_TEXTURE_EXTERNAL_OES)) {
ALOGD("%s: issue GL_INVALID_OPERATION: target 0x%x texrectarget 0x%x texture %u", __FUNCTION__, target, texrec->target, texture);
}
switch (target) {
case GL_TEXTURE_2D:
m_tex.activeUnit->texture[TEXTURE_2D] = texture;
break;
case GL_TEXTURE_EXTERNAL_OES:
m_tex.activeUnit->texture[TEXTURE_EXTERNAL] = texture;
break;
case GL_TEXTURE_CUBE_MAP:
m_tex.activeUnit->texture[TEXTURE_CUBE_MAP] = texture;
break;
case GL_TEXTURE_2D_ARRAY:
m_tex.activeUnit->texture[TEXTURE_2D_ARRAY] = texture;
break;
case GL_TEXTURE_3D:
m_tex.activeUnit->texture[TEXTURE_3D] = texture;
break;
case GL_TEXTURE_2D_MULTISAMPLE:
m_tex.activeUnit->texture[TEXTURE_2D_MULTISAMPLE] = texture;
break;
}
if (firstUse) {
*firstUse = first;
}
return GL_NO_ERROR;
}
void GLClientState::setBoundEGLImage(GLenum target, GLeglImageOES image) {
GLuint texture = getBoundTexture(target);
TextureRec* texrec = getTextureRec(texture);
if (!texrec) return;
texrec->boundEGLImage = true;
}
TextureRec* GLClientState::addTextureRec(GLuint id, GLenum target)
{
TextureRec* tex = new TextureRec;
tex->id = id;
tex->target = target;
tex->format = -1;
tex->multisamples = 0;
tex->immutable = false;
tex->boundEGLImage = false;
tex->dims = new TextureDims;
(*(m_tex.textureRecs))[id] = tex;
return tex;
}
TextureRec* GLClientState::getTextureRec(GLuint id) const {
SharedTextureDataMap::const_iterator it =
m_tex.textureRecs->find(id);
if (it == m_tex.textureRecs->end()) {
return NULL;
}
return it->second;
}
void GLClientState::setBoundTextureInternalFormat(GLenum target, GLint internalformat) {
GLuint texture = getBoundTexture(target);
TextureRec* texrec = getTextureRec(texture);
if (!texrec) return;
texrec->internalformat = internalformat;
}
void GLClientState::setBoundTextureFormat(GLenum target, GLenum format) {
GLuint texture = getBoundTexture(target);
TextureRec* texrec = getTextureRec(texture);
if (!texrec) return;
texrec->format = format;
}
void GLClientState::setBoundTextureType(GLenum target, GLenum type) {
GLuint texture = getBoundTexture(target);
TextureRec* texrec = getTextureRec(texture);
if (!texrec) return;
texrec->type = type;
}
void GLClientState::setBoundTextureDims(GLenum target, GLsizei level, GLsizei width, GLsizei height, GLsizei depth) {
GLuint texture = getBoundTexture(target);
TextureRec* texrec = getTextureRec(texture);
if (!texrec) {
return;
}
if (level == -1) {
GLsizei curr_width = width;
GLsizei curr_height = height;
GLsizei curr_depth = depth;
GLsizei curr_level = 0;
while (true) {
texrec->dims->widths[curr_level] = curr_width;
texrec->dims->heights[curr_level] = curr_height;
texrec->dims->depths[curr_level] = curr_depth;
if (curr_width >> 1 == 0 &&
curr_height >> 1 == 0 &&
((target == GL_TEXTURE_3D && curr_depth == 0) ||
true)) {
break;
}
curr_width = (curr_width >> 1) ? (curr_width >> 1) : 1;
curr_height = (curr_height >> 1) ? (curr_height >> 1) : 1;
if (target == GL_TEXTURE_3D) {
curr_depth = (curr_depth >> 1) ? (curr_depth >> 1) : 1;
}
curr_level++;
}
} else {
texrec->dims->widths[level] = width;
texrec->dims->heights[level] = height;
texrec->dims->depths[level] = depth;
}
}
void GLClientState::setBoundTextureSamples(GLenum target, GLsizei samples) {
GLuint texture = getBoundTexture(target);
TextureRec* texrec = getTextureRec(texture);
if (!texrec) return;
texrec->multisamples = samples;
}
void GLClientState::setBoundTextureImmutableFormat(GLenum target) {
GLuint texture = getBoundTexture(target);
TextureRec* texrec = getTextureRec(texture);
if (!texrec) return;
texrec->immutable = true;
}
bool GLClientState::isBoundTextureImmutableFormat(GLenum target) const {
GLuint texture = getBoundTexture(target);
TextureRec* texrec = getTextureRec(texture);
if (!texrec) return false;
return texrec->immutable;
}
GLuint GLClientState::getBoundTexture(GLenum target) const
{
switch (target) {
case GL_TEXTURE_2D:
return m_tex.activeUnit->texture[TEXTURE_2D];
case GL_TEXTURE_EXTERNAL_OES:
return m_tex.activeUnit->texture[TEXTURE_EXTERNAL];
case GL_TEXTURE_CUBE_MAP:
return m_tex.activeUnit->texture[TEXTURE_CUBE_MAP];
case GL_TEXTURE_2D_ARRAY:
return m_tex.activeUnit->texture[TEXTURE_2D_ARRAY];
case GL_TEXTURE_3D:
return m_tex.activeUnit->texture[TEXTURE_3D];
case GL_TEXTURE_2D_MULTISAMPLE:
return m_tex.activeUnit->texture[TEXTURE_2D_MULTISAMPLE];
default:
return 0;
}
}
// BEGIN driver workarounds-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-
// (>' ')><(' '<)(>' ')><(' '<)(>' ')><(' '<)(>' ')><(' '<)(>' ')><(' '<)(>' ')>
static bool unreliableInternalFormat(GLenum internalformat) {
switch (internalformat) {
case GL_LUMINANCE:
return true;
default:
return false;
}
}
void GLClientState::writeCopyTexImageState
(GLenum target, GLint level, GLenum internalformat) {
if (unreliableInternalFormat(internalformat)) {
CubeMapDef entry;
entry.id = getBoundTexture(GL_TEXTURE_2D);
entry.target = target;
entry.level = level;
entry.internalformat = internalformat;
m_cubeMapDefs.insert(entry);
}
}
static GLenum identifyPositiveCubeMapComponent(GLenum target) {
switch (target) {
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
return GL_TEXTURE_CUBE_MAP_POSITIVE_X;
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
return GL_TEXTURE_CUBE_MAP_POSITIVE_Y;
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
return GL_TEXTURE_CUBE_MAP_POSITIVE_Z;
default:
return 0;
}
}
GLenum GLClientState::copyTexImageNeededTarget
(GLenum target, GLint level, GLenum internalformat) {
if (unreliableInternalFormat(internalformat)) {
GLenum positiveComponent =
identifyPositiveCubeMapComponent(target);
if (positiveComponent) {
CubeMapDef query;
query.id = getBoundTexture(GL_TEXTURE_2D);
query.target = positiveComponent;
query.level = level;
query.internalformat = internalformat;
if (m_cubeMapDefs.find(query) ==
m_cubeMapDefs.end()) {
return positiveComponent;
}
}
}
return 0;
}
GLenum GLClientState::copyTexImageLuminanceCubeMapAMDWorkaround
(GLenum target, GLint level, GLenum internalformat) {
writeCopyTexImageState(target, level, internalformat);
return copyTexImageNeededTarget(target, level, internalformat);
}
// (>' ')><(' '<)(>' ')><(' '<)(>' ')><(' '<)(>' ')><(' '<)(>' ')><(' '<)(>' ')>
// END driver workarounds-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-
void GLClientState::deleteTextures(GLsizei n, const GLuint* textures)
{
// Updating the textures array could be made more efficient when deleting
// several textures:
// - compacting the array could be done in a single pass once the deleted
// textures are marked, or
// - could swap deleted textures to the end and re-sort.
TextureRec* texrec;
for (const GLuint* texture = textures; texture != textures + n; texture++) {
texrec = getTextureRec(*texture);
if (texrec && texrec->dims) {
delete texrec->dims;
}
if (texrec) {
m_tex.textureRecs->erase(*texture);
delete texrec;
for (TextureUnit* unit = m_tex.unit;
unit != m_tex.unit + MAX_TEXTURE_UNITS;
unit++)
{
if (unit->texture[TEXTURE_2D] == *texture) {
unit->texture[TEXTURE_2D] = 0;
} else if (unit->texture[TEXTURE_EXTERNAL] == *texture) {
unit->texture[TEXTURE_EXTERNAL] = 0;
}
}
}
}
}
// RBO//////////////////////////////////////////////////////////////////////////
void GLClientState::addFreshRenderbuffer(GLuint name) {
// if underlying opengl says these are fresh names,
// but we are keeping a stale one, reset it.
RboProps props;
props.target = GL_RENDERBUFFER;
props.name = name;
props.format = GL_NONE;
props.multisamples = 0;
props.previouslyBound = false;
if (usedRenderbufferName(name)) {
mRboState.rboData[getRboIndex(name)] = props;
} else {
mRboState.rboData.push_back(props);
}
}
void GLClientState::addRenderbuffers(GLsizei n, GLuint* renderbuffers) {
for (size_t i = 0; i < n; i++) {
addFreshRenderbuffer(renderbuffers[i]);
}
}
size_t GLClientState::getRboIndex(GLuint name) const {
for (size_t i = 0; i < mRboState.rboData.size(); i++) {
if (mRboState.rboData[i].name == name) {
return i;
}
}
return -1;
}
void GLClientState::removeRenderbuffers(GLsizei n, const GLuint* renderbuffers) {
size_t bound_rbo_idx = getRboIndex(boundRboProps_const().name);
std::vector<GLuint> to_remove;
for (size_t i = 0; i < n; i++) {
if (renderbuffers[i] != 0) { // Never remove the zero rb.
to_remove.push_back(getRboIndex(renderbuffers[i]));
}
}
for (size_t i = 0; i < to_remove.size(); i++) {
mRboState.rboData[to_remove[i]] = mRboState.rboData.back();
mRboState.rboData.pop_back();
}
// If we just deleted the currently bound rb,
// bind the zero rb
if (getRboIndex(boundRboProps_const().name) != bound_rbo_idx) {
bindRenderbuffer(GL_RENDERBUFFER, 0);
}
}
bool GLClientState::usedRenderbufferName(GLuint name) const {
for (size_t i = 0; i < mRboState.rboData.size(); i++) {
if (mRboState.rboData[i].name == name) {
return true;
}
}
return false;
}
void GLClientState::setBoundRenderbufferIndex() {
for (size_t i = 0; i < mRboState.rboData.size(); i++) {
if (mRboState.rboData[i].name == mRboState.boundRenderbuffer) {
mRboState.boundRenderbufferIndex = i;
break;
}
}
}
RboProps& GLClientState::boundRboProps() {
return mRboState.rboData[mRboState.boundRenderbufferIndex];
}
const RboProps& GLClientState::boundRboProps_const() const {
return mRboState.rboData[mRboState.boundRenderbufferIndex];
}
void GLClientState::bindRenderbuffer(GLenum target, GLuint name) {
// If unused, add it.
if (!usedRenderbufferName(name)) {
addFreshRenderbuffer(name);
}
mRboState.boundRenderbuffer = name;
setBoundRenderbufferIndex();
boundRboProps().target = target;
boundRboProps().previouslyBound = true;
}
GLuint GLClientState::boundRenderbuffer() const {
return boundRboProps_const().name;
}
void GLClientState::setBoundRenderbufferFormat(GLenum format) {
boundRboProps().format = format;
}
void GLClientState::setBoundRenderbufferSamples(GLsizei samples) {
boundRboProps().multisamples = samples;
}
// FBO//////////////////////////////////////////////////////////////////////////
// Format querying
GLenum GLClientState::queryRboFormat(GLuint rbo_name) const {
return mRboState.rboData[getRboIndex(rbo_name)].format;
}
GLsizei GLClientState::queryRboSamples(GLuint rbo_name) const {
return mRboState.rboData[getRboIndex(rbo_name)].multisamples;
}
GLint GLClientState::queryTexInternalFormat(GLuint tex_name) const {
TextureRec* texrec = getTextureRec(tex_name);
if (!texrec) return -1;
return texrec->internalformat;
}
GLsizei GLClientState::queryTexWidth(GLsizei level, GLuint tex_name) const {
TextureRec* texrec = getTextureRec(tex_name);
if (!texrec) {
return 0;
}
return texrec->dims->widths[level];
}
GLsizei GLClientState::queryTexHeight(GLsizei level, GLuint tex_name) const {
TextureRec* texrec = getTextureRec(tex_name);
if (!texrec) return 0;
return texrec->dims->heights[level];
}
GLsizei GLClientState::queryTexDepth(GLsizei level, GLuint tex_name) const {
TextureRec* texrec = getTextureRec(tex_name);
if (!texrec) return 0;
return texrec->dims->depths[level];
}
bool GLClientState::queryTexEGLImageBacked(GLuint tex_name) const {
TextureRec* texrec = getTextureRec(tex_name);
if (!texrec) return false;
return texrec->boundEGLImage;
}
GLenum GLClientState::queryTexFormat(GLuint tex_name) const {
TextureRec* texrec = getTextureRec(tex_name);
if (!texrec) return -1;
return texrec->format;
}
GLenum GLClientState::queryTexType(GLuint tex_name) const {
TextureRec* texrec = getTextureRec(tex_name);
if (!texrec) return -1;
return texrec->type;
}
GLsizei GLClientState::queryTexSamples(GLuint tex_name) const {
TextureRec* texrec = getTextureRec(tex_name);
if (!texrec) return 0;
return texrec->multisamples;
}
GLenum GLClientState::queryTexLastBoundTarget(GLuint tex_name) const {
TextureRec* texrec = getTextureRec(tex_name);
if (!texrec) return GL_NONE;
return texrec->target;
}
void GLClientState::getBoundFramebufferFormat(
GLenum target,
GLenum attachment, FboFormatInfo* res_info) const {
const FboProps& props = boundFboProps_const(target);
res_info->type = FBO_ATTACHMENT_NONE;
res_info->rb_format = GL_NONE;
res_info->rb_multisamples = 0;
res_info->tex_internalformat = -1;
res_info->tex_format = GL_NONE;
res_info->tex_type = GL_NONE;
res_info->tex_multisamples = 0;
int colorAttachmentIndex =
glUtilsColorAttachmentIndex(attachment);
if (colorAttachmentIndex != -1) {
if (props.colorAttachmenti_hasRbo[colorAttachmentIndex]) {
res_info->type = FBO_ATTACHMENT_RENDERBUFFER;
res_info->rb_format =
queryRboFormat(
props.colorAttachmenti_rbos[colorAttachmentIndex]);
res_info->rb_multisamples =
queryRboSamples(
props.colorAttachmenti_rbos[colorAttachmentIndex]);
} else if (props.colorAttachmenti_hasTex[colorAttachmentIndex]) {
res_info->type = FBO_ATTACHMENT_TEXTURE;
res_info->tex_internalformat =
queryTexInternalFormat(
props.colorAttachmenti_textures[colorAttachmentIndex]);
res_info->tex_format =
queryTexFormat(
props.colorAttachmenti_textures[colorAttachmentIndex]);
res_info->tex_type =
queryTexType(props.colorAttachmenti_textures[colorAttachmentIndex]);
res_info->tex_multisamples =
queryTexSamples(props.colorAttachmenti_textures[colorAttachmentIndex]);
} else {
res_info->type = FBO_ATTACHMENT_NONE;
}
}
switch (attachment) {
case GL_DEPTH_ATTACHMENT:
if (props.depthAttachment_hasRbo) {
res_info->type = FBO_ATTACHMENT_RENDERBUFFER;
res_info->rb_format = queryRboFormat(props.depthAttachment_rbo);
res_info->rb_multisamples =
queryRboSamples(
props.colorAttachmenti_rbos[colorAttachmentIndex]);
} else if (props.depthAttachment_hasTexObj) {
res_info->type = FBO_ATTACHMENT_TEXTURE;
res_info->tex_internalformat = queryTexInternalFormat(props.depthAttachment_texture);
res_info->tex_format = queryTexFormat(props.depthAttachment_texture);
res_info->tex_type = queryTexType(props.depthAttachment_texture);
res_info->tex_multisamples =
queryTexSamples(props.colorAttachmenti_textures[colorAttachmentIndex]);
} else {
res_info->type = FBO_ATTACHMENT_NONE;
}
break;
case GL_STENCIL_ATTACHMENT:
if (props.stencilAttachment_hasRbo) {
res_info->type = FBO_ATTACHMENT_RENDERBUFFER;
res_info->rb_format = queryRboFormat(props.stencilAttachment_rbo);
res_info->rb_multisamples =
queryRboSamples(
props.colorAttachmenti_rbos[colorAttachmentIndex]);
} else if (props.stencilAttachment_hasTexObj) {
res_info->type = FBO_ATTACHMENT_TEXTURE;
res_info->tex_internalformat = queryTexInternalFormat(props.stencilAttachment_texture);
res_info->tex_format = queryTexFormat(props.stencilAttachment_texture);
res_info->tex_type = queryTexType(props.stencilAttachment_texture);
res_info->tex_multisamples =
queryTexSamples(props.colorAttachmenti_textures[colorAttachmentIndex]);
} else {
res_info->type = FBO_ATTACHMENT_NONE;
}
break;
case GL_DEPTH_STENCIL_ATTACHMENT:
if (props.depthstencilAttachment_hasRbo) {
res_info->type = FBO_ATTACHMENT_RENDERBUFFER;
res_info->rb_format = queryRboFormat(props.depthstencilAttachment_rbo);
res_info->rb_multisamples =
queryRboSamples(
props.colorAttachmenti_rbos[colorAttachmentIndex]);
} else if (props.depthstencilAttachment_hasTexObj) {
res_info->type = FBO_ATTACHMENT_TEXTURE;
res_info->tex_internalformat = queryTexInternalFormat(props.depthstencilAttachment_texture);
res_info->tex_format = queryTexFormat(props.depthstencilAttachment_texture);
res_info->tex_type = queryTexType(props.depthstencilAttachment_texture);
res_info->tex_multisamples =
queryTexSamples(props.colorAttachmenti_textures[colorAttachmentIndex]);
} else {
res_info->type = FBO_ATTACHMENT_NONE;
}
break;
}
}
FboAttachmentType GLClientState::getBoundFramebufferAttachmentType(GLenum target, GLenum attachment) const {
FboFormatInfo info;
getBoundFramebufferFormat(target, attachment, &info);
return info.type;
}
int GLClientState::getMaxColorAttachments() const {
return m_max_color_attachments;
}
int GLClientState::getMaxDrawBuffers() const {
return m_max_draw_buffers;
}
void GLClientState::addFreshFramebuffer(GLuint name) {
FboProps props;
props.name = name;
props.previouslyBound = false;
props.colorAttachmenti_textures.resize(m_max_color_attachments, 0);
props.depthAttachment_texture = 0;
props.stencilAttachment_texture = 0;
props.depthstencilAttachment_texture = 0;
props.colorAttachmenti_hasTex.resize(m_max_color_attachments, false);
props.depthAttachment_hasTexObj = false;
props.stencilAttachment_hasTexObj = false;
props.depthstencilAttachment_hasTexObj = false;
props.colorAttachmenti_rbos.resize(m_max_color_attachments, 0);
props.depthAttachment_rbo = 0;
props.stencilAttachment_rbo = 0;
props.depthstencilAttachment_rbo = 0;
props.colorAttachmenti_hasRbo.resize(m_max_color_attachments, false);
props.depthAttachment_hasRbo = false;
props.stencilAttachment_hasRbo = false;
props.depthstencilAttachment_hasRbo = false;
mFboState.fboData[name] = props;
}
void GLClientState::addFramebuffers(GLsizei n, GLuint* framebuffers) {
for (size_t i = 0; i < n; i++) {
addFreshFramebuffer(framebuffers[i]);
}
}
void GLClientState::removeFramebuffers(GLsizei n, const GLuint* framebuffers) {
for (size_t i = 0; i < n; i++) {
if (framebuffers[i] != 0) { // Never remove the zero fb.
if (framebuffers[i] == mFboState.boundDrawFramebuffer) {
bindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
if (framebuffers[i] == mFboState.boundReadFramebuffer) {
bindFramebuffer(GL_READ_FRAMEBUFFER, 0);
}
mFboState.fboData.erase(framebuffers[i]);
}
}
}
bool GLClientState::usedFramebufferName(GLuint name) const {
return mFboState.fboData.find(name) != mFboState.fboData.end();
}
FboProps& GLClientState::boundFboProps(GLenum target) {
switch (target) {
case GL_DRAW_FRAMEBUFFER:
return mFboState.fboData[mFboState.boundDrawFramebuffer];
case GL_READ_FRAMEBUFFER:
return mFboState.fboData[mFboState.boundReadFramebuffer];
case GL_FRAMEBUFFER:
return mFboState.fboData[mFboState.boundDrawFramebuffer];
}
return mFboState.fboData[mFboState.boundDrawFramebuffer];
}
const FboProps& GLClientState::boundFboProps_const(GLenum target) const {
switch (target) {
case GL_DRAW_FRAMEBUFFER:
return mFboState.fboData.find(mFboState.boundDrawFramebuffer)->second;
case GL_READ_FRAMEBUFFER:
return mFboState.fboData.find(mFboState.boundReadFramebuffer)->second;
case GL_FRAMEBUFFER:
return mFboState.fboData.find(mFboState.boundDrawFramebuffer)->second;
}
return mFboState.fboData.find(mFboState.boundDrawFramebuffer)->second;
}
void GLClientState::bindFramebuffer(GLenum target, GLuint name) {
// If unused, add it.
if (!usedFramebufferName(name)) {
addFreshFramebuffer(name);
}
switch (target) {
case GL_DRAW_FRAMEBUFFER:
mFboState.boundDrawFramebuffer = name;
break;
case GL_READ_FRAMEBUFFER:
mFboState.boundReadFramebuffer = name;
break;
default: // case GL_FRAMEBUFFER:
mFboState.boundDrawFramebuffer = name;
mFboState.boundReadFramebuffer = name;
break;
}
boundFboProps(target).previouslyBound = true;
}
void GLClientState::setCheckFramebufferStatus(GLenum target, GLenum status) {
switch (target) {
case GL_DRAW_FRAMEBUFFER:
mFboState.drawFboCheckStatus = status;
break;
case GL_READ_FRAMEBUFFER:
mFboState.readFboCheckStatus = status;
break;
case GL_FRAMEBUFFER:
mFboState.drawFboCheckStatus = status;
break;
}
}
GLenum GLClientState::getCheckFramebufferStatus(GLenum target) const {
switch (target) {
case GL_DRAW_FRAMEBUFFER:
return mFboState.drawFboCheckStatus;
case GL_READ_FRAMEBUFFER:
return mFboState.readFboCheckStatus;
case GL_FRAMEBUFFER:
return mFboState.drawFboCheckStatus;
}
return mFboState.drawFboCheckStatus;
}
GLuint GLClientState::boundFramebuffer(GLenum target) const {
return boundFboProps_const(target).name;
}
// Texture objects for FBOs/////////////////////////////////////////////////////
void GLClientState::attachTextureObject(
GLenum target,
GLenum attachment, GLuint texture) {
int colorAttachmentIndex =
glUtilsColorAttachmentIndex(attachment);
if (colorAttachmentIndex != -1) {
boundFboProps(target).colorAttachmenti_textures[colorAttachmentIndex] = texture;
boundFboProps(target).colorAttachmenti_hasTex[colorAttachmentIndex] = true;
}
switch (attachment) {
case GL_DEPTH_ATTACHMENT:
boundFboProps(target).depthAttachment_texture = texture;
boundFboProps(target).depthAttachment_hasTexObj = true;
break;
case GL_STENCIL_ATTACHMENT:
boundFboProps(target).stencilAttachment_texture = texture;
boundFboProps(target).stencilAttachment_hasTexObj = true;
break;
case GL_DEPTH_STENCIL_ATTACHMENT:
boundFboProps(target).depthstencilAttachment_texture = texture;
boundFboProps(target).depthstencilAttachment_hasTexObj = true;
boundFboProps(target).stencilAttachment_texture = texture;
boundFboProps(target).stencilAttachment_hasTexObj = true;
boundFboProps(target).depthAttachment_texture = texture;
boundFboProps(target).depthAttachment_hasTexObj = true;
break;
}
}
GLuint GLClientState::getFboAttachmentTextureId(GLenum target, GLenum attachment) const {
GLuint res = 0; // conservative
int colorAttachmentIndex =
glUtilsColorAttachmentIndex(attachment);
if (colorAttachmentIndex != -1) {
res = boundFboProps_const(target).colorAttachmenti_textures[colorAttachmentIndex];
}
switch (attachment) {
case GL_DEPTH_ATTACHMENT:
res = boundFboProps_const(target).depthAttachment_texture;
break;
case GL_STENCIL_ATTACHMENT:
res = boundFboProps_const(target).stencilAttachment_texture;
break;
case GL_DEPTH_STENCIL_ATTACHMENT:
res = boundFboProps_const(target).depthstencilAttachment_texture;
break;
}
return res;
}
// RBOs for FBOs////////////////////////////////////////////////////////////////
void GLClientState::detachRbo(GLuint renderbuffer) {
for (int i = 0; i < m_max_color_attachments; i++) {
detachRboFromFbo(GL_DRAW_FRAMEBUFFER, glUtilsColorAttachmentName(i), renderbuffer);
detachRboFromFbo(GL_READ_FRAMEBUFFER, glUtilsColorAttachmentName(i), renderbuffer);
}
detachRboFromFbo(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, renderbuffer);
detachRboFromFbo(GL_READ_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, renderbuffer);
detachRboFromFbo(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, renderbuffer);
detachRboFromFbo(GL_READ_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, renderbuffer);
detachRboFromFbo(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, renderbuffer);
detachRboFromFbo(GL_READ_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, renderbuffer);
}
void GLClientState::detachRboFromFbo(GLenum target, GLenum attachment, GLuint renderbuffer) {
int colorAttachmentIndex =
glUtilsColorAttachmentIndex(attachment);
if (colorAttachmentIndex != -1) {
if (boundFboProps(target).colorAttachmenti_hasRbo[colorAttachmentIndex] &&
boundFboProps(target).colorAttachmenti_rbos[colorAttachmentIndex] == renderbuffer) {
boundFboProps(target).colorAttachmenti_rbos[colorAttachmentIndex] = 0;
boundFboProps(target).colorAttachmenti_hasRbo[colorAttachmentIndex] = false;
}
}
switch (attachment) {
case GL_DEPTH_ATTACHMENT:
if (boundFboProps(target).depthAttachment_rbo == renderbuffer &&
boundFboProps(target).depthAttachment_hasRbo) {
boundFboProps(target).depthAttachment_rbo = 0;
boundFboProps(target).depthAttachment_hasRbo = false;
}
break;
case GL_STENCIL_ATTACHMENT:
if (boundFboProps(target).stencilAttachment_rbo == renderbuffer &&
boundFboProps(target).stencilAttachment_hasRbo) {
boundFboProps(target).stencilAttachment_rbo = 0;
boundFboProps(target).stencilAttachment_hasRbo = false;
}
break;
case GL_DEPTH_STENCIL_ATTACHMENT:
if (boundFboProps(target).depthAttachment_rbo == renderbuffer &&
boundFboProps(target).depthAttachment_hasRbo) {
boundFboProps(target).depthAttachment_rbo = 0;
boundFboProps(target).depthAttachment_hasRbo = false;
}
if (boundFboProps(target).stencilAttachment_rbo == renderbuffer &&
boundFboProps(target).stencilAttachment_hasRbo) {
boundFboProps(target).stencilAttachment_rbo = 0;
boundFboProps(target).stencilAttachment_hasRbo = false;
}
if (boundFboProps(target).depthstencilAttachment_rbo == renderbuffer &&
boundFboProps(target).depthstencilAttachment_hasRbo) {
boundFboProps(target).depthstencilAttachment_rbo = 0;
boundFboProps(target).depthstencilAttachment_hasRbo = false;
}
break;
}
}
void GLClientState::attachRbo(GLenum target, GLenum attachment, GLuint renderbuffer) {
int colorAttachmentIndex =
glUtilsColorAttachmentIndex(attachment);
if (colorAttachmentIndex != -1) {
boundFboProps(target).colorAttachmenti_rbos[colorAttachmentIndex] = renderbuffer;
boundFboProps(target).colorAttachmenti_hasRbo[colorAttachmentIndex] = true;
}
switch (attachment) {
case GL_DEPTH_ATTACHMENT:
boundFboProps(target).depthAttachment_rbo = renderbuffer;
boundFboProps(target).depthAttachment_hasRbo = true;
break;
case GL_STENCIL_ATTACHMENT:
boundFboProps(target).stencilAttachment_rbo = renderbuffer;
boundFboProps(target).stencilAttachment_hasRbo = true;
break;
case GL_DEPTH_STENCIL_ATTACHMENT:
boundFboProps(target).depthAttachment_rbo = renderbuffer;
boundFboProps(target).depthAttachment_hasRbo = true;
boundFboProps(target).stencilAttachment_rbo = renderbuffer;
boundFboProps(target).stencilAttachment_hasRbo = true;
boundFboProps(target).depthstencilAttachment_rbo = renderbuffer;
boundFboProps(target).depthstencilAttachment_hasRbo = true;
break;
}
}
GLuint GLClientState::getFboAttachmentRboId(GLenum target, GLenum attachment) const {
GLuint res = 0; // conservative
int colorAttachmentIndex =
glUtilsColorAttachmentIndex(attachment);
if (colorAttachmentIndex != -1) {
res = boundFboProps_const(target).colorAttachmenti_rbos[colorAttachmentIndex];
}
switch (attachment) {
case GL_DEPTH_ATTACHMENT:
res = boundFboProps_const(target).depthAttachment_rbo;
break;
case GL_STENCIL_ATTACHMENT:
res = boundFboProps_const(target).stencilAttachment_rbo;
break;
case GL_DEPTH_STENCIL_ATTACHMENT:
res = boundFboProps_const(target).depthstencilAttachment_rbo;
break;
}
return res;
}
bool GLClientState::attachmentHasObject(GLenum target, GLenum attachment) const {
bool res = true; // liberal
int colorAttachmentIndex =
glUtilsColorAttachmentIndex(attachment);
if (colorAttachmentIndex != -1) {
res = boundFboProps_const(target).colorAttachmenti_hasTex[colorAttachmentIndex] ||
boundFboProps_const(target).colorAttachmenti_hasRbo[colorAttachmentIndex];
}
switch (attachment) {
case GL_DEPTH_ATTACHMENT:
res = (boundFboProps_const(target).depthAttachment_hasTexObj) ||
(boundFboProps_const(target).depthAttachment_hasRbo);
break;
case GL_STENCIL_ATTACHMENT:
res = (boundFboProps_const(target).stencilAttachment_hasTexObj) ||
(boundFboProps_const(target).stencilAttachment_hasRbo);
break;
case GL_DEPTH_STENCIL_ATTACHMENT:
res = (boundFboProps_const(target).depthstencilAttachment_hasTexObj) ||
(boundFboProps_const(target).depthstencilAttachment_hasRbo);
break;
}
return res;
}
GLuint GLClientState::objectOfAttachment(GLenum target, GLenum attachment) const {
const FboProps& props = boundFboProps_const(target);
int colorAttachmentIndex =
glUtilsColorAttachmentIndex(attachment);
if (colorAttachmentIndex != -1) {
if (props.colorAttachmenti_hasTex[colorAttachmentIndex]) {
return props.colorAttachmenti_textures[colorAttachmentIndex];
} else if (props.colorAttachmenti_hasRbo[colorAttachmentIndex]) {
return props.colorAttachmenti_rbos[colorAttachmentIndex];
} else {
return 0;
}
}
switch (attachment) {
case GL_DEPTH_ATTACHMENT:
if (props.depthAttachment_hasTexObj) {
return props.depthAttachment_texture;
} else if (props.depthAttachment_hasRbo) {
return props.depthAttachment_rbo;
} else {
return 0;
}
break;
case GL_STENCIL_ATTACHMENT:
if (props.stencilAttachment_hasTexObj) {
return props.stencilAttachment_texture;
} else if (props.stencilAttachment_hasRbo) {
return props.stencilAttachment_rbo;
} else {
return 0;
}
case GL_DEPTH_STENCIL_ATTACHMENT:
if (props.depthstencilAttachment_hasTexObj) {
return props.depthstencilAttachment_texture;
} else if (props.depthstencilAttachment_hasRbo) {
return props.depthstencilAttachment_rbo;
} else {
return 0;
}
break;
}
return 0;
}
void GLClientState::setTransformFeedbackActiveUnpaused(bool activeUnpaused) {
m_transformFeedbackActiveUnpaused = activeUnpaused;
}
bool GLClientState::getTransformFeedbackActiveUnpaused() const {
return m_transformFeedbackActiveUnpaused;
}
void GLClientState::setTextureData(SharedTextureDataMap* sharedTexData) {
m_tex.textureRecs = sharedTexData;
}
void GLClientState::fromMakeCurrent() {
if (mFboState.fboData.find(0) == mFboState.fboData.end()) {
addFreshFramebuffer(0);
}
FboProps& default_fb_props = mFboState.fboData[0];
default_fb_props.colorAttachmenti_hasRbo[0] = true;
default_fb_props.depthAttachment_hasRbo = true;
default_fb_props.stencilAttachment_hasRbo = true;
default_fb_props.depthstencilAttachment_hasRbo = true;
}
void GLClientState::initFromCaps(
int max_transform_feedback_separate_attribs,
int max_uniform_buffer_bindings,
int max_atomic_counter_buffer_bindings,
int max_shader_storage_buffer_bindings,
int max_vertex_attrib_bindings,
int max_color_attachments,
int max_draw_buffers) {
m_max_vertex_attrib_bindings = max_vertex_attrib_bindings;
if (m_glesMajorVersion >= 3) {
m_max_transform_feedback_separate_attribs = max_transform_feedback_separate_attribs;
m_max_uniform_buffer_bindings = max_uniform_buffer_bindings;
m_max_atomic_counter_buffer_bindings = max_atomic_counter_buffer_bindings;
m_max_shader_storage_buffer_bindings = max_shader_storage_buffer_bindings;
if (m_max_transform_feedback_separate_attribs)
m_indexedTransformFeedbackBuffers.resize(m_max_transform_feedback_separate_attribs);
if (m_max_uniform_buffer_bindings)
m_indexedUniformBuffers.resize(m_max_uniform_buffer_bindings);
if (m_max_atomic_counter_buffer_bindings)
m_indexedAtomicCounterBuffers.resize(m_max_atomic_counter_buffer_bindings);
if (m_max_shader_storage_buffer_bindings)
m_indexedShaderStorageBuffers.resize(m_max_shader_storage_buffer_bindings);
BufferBinding buf0Binding;
buf0Binding.buffer = 0;
buf0Binding.offset = 0;
buf0Binding.size = 0;
buf0Binding.stride = 0;
buf0Binding.effectiveStride = 0;
for (size_t i = 0; i < m_indexedTransformFeedbackBuffers.size(); ++i)
m_indexedTransformFeedbackBuffers[i] = buf0Binding;
for (size_t i = 0; i < m_indexedUniformBuffers.size(); ++i)
m_indexedUniformBuffers[i] = buf0Binding;
for (size_t i = 0; i < m_indexedAtomicCounterBuffers.size(); ++i)
m_indexedAtomicCounterBuffers[i] = buf0Binding;
for (size_t i = 0; i < m_indexedShaderStorageBuffers.size(); ++i)
m_indexedShaderStorageBuffers[i] = buf0Binding;
}
m_max_color_attachments = max_color_attachments;
m_max_draw_buffers = max_draw_buffers;
addFreshRenderbuffer(0);
addFreshFramebuffer(0);
m_initialized = true;
}
bool GLClientState::needsInitFromCaps() const {
return !m_initialized;
}