--- /dev/null
+/*
+* 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 "GLEncoder.h"
+#include "glUtils.h"
+#include "FixedBuffer.h"
+#include <cutils/log.h>
+#include <assert.h>
+
+#ifndef MIN
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#endif
+
+static GLubyte *gVendorString= (GLubyte *) "Android";
+static GLubyte *gRendererString= (GLubyte *) "Android HW-GLES 1.0";
+static GLubyte *gVersionString= (GLubyte *) "OpenGL ES-CM 1.0";
+static GLubyte *gExtensionsString= (GLubyte *) "GL_OES_EGL_image_external ";
+
+#define SET_ERROR_IF(condition,err) if((condition)) { \
+ ALOGE("%s:%s:%d GL error 0x%x\n", __FILE__, __FUNCTION__, __LINE__, err); \
+ ctx->setError(err); \
+ return; \
+ }
+
+
+#define RET_AND_SET_ERROR_IF(condition,err,ret) if((condition)) { \
+ ALOGE("%s:%s:%d GL error 0x%x\n", __FILE__, __FUNCTION__, __LINE__, err); \
+ ctx->setError(err); \
+ return ret; \
+ }
+
+GLenum GLEncoder::s_glGetError(void * self)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ GLenum err = ctx->getError();
+ if(err != GL_NO_ERROR) {
+ ctx->setError(GL_NO_ERROR);
+ return err;
+ }
+
+ return ctx->m_glGetError_enc(self);
+
+}
+
+GLint * GLEncoder::getCompressedTextureFormats()
+{
+ if (m_compressedTextureFormats == NULL) {
+ this->glGetIntegerv(this, GL_NUM_COMPRESSED_TEXTURE_FORMATS,
+ &m_num_compressedTextureFormats);
+ if (m_num_compressedTextureFormats > 0) {
+ // get number of texture formats;
+ m_compressedTextureFormats = new GLint[m_num_compressedTextureFormats];
+ this->glGetCompressedTextureFormats(this, m_num_compressedTextureFormats, m_compressedTextureFormats);
+ }
+ }
+ return m_compressedTextureFormats;
+}
+
+void GLEncoder::s_glGetIntegerv(void *self, GLenum param, GLint *ptr)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ GLClientState* state = ctx->m_state;
+
+ switch (param) {
+ case GL_COMPRESSED_TEXTURE_FORMATS: {
+ GLint * compressedTextureFormats = ctx->getCompressedTextureFormats();
+ if (ctx->m_num_compressedTextureFormats > 0 &&
+ compressedTextureFormats != NULL) {
+ memcpy(ptr, compressedTextureFormats,
+ ctx->m_num_compressedTextureFormats * sizeof(GLint));
+ }
+ break;
+ }
+
+ case GL_MAX_TEXTURE_UNITS:
+ ctx->m_glGetIntegerv_enc(self, param, ptr);
+ *ptr = MIN(*ptr, GLClientState::MAX_TEXTURE_UNITS);
+ break;
+
+ case GL_TEXTURE_BINDING_2D:
+ *ptr = state->getBoundTexture(GL_TEXTURE_2D);
+ break;
+
+ case GL_TEXTURE_BINDING_EXTERNAL_OES:
+ *ptr = state->getBoundTexture(GL_TEXTURE_EXTERNAL_OES);
+ break;
+
+ default:
+ if (!state->getClientStateParameter<GLint>(param,ptr)) {
+ ctx->m_glGetIntegerv_enc(self, param, ptr);
+ }
+ break;
+ }
+}
+
+void GLEncoder::s_glGetFloatv(void *self, GLenum param, GLfloat *ptr)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ GLClientState* state = ctx->m_state;
+
+ switch (param) {
+ case GL_COMPRESSED_TEXTURE_FORMATS: {
+ GLint * compressedTextureFormats = ctx->getCompressedTextureFormats();
+ if (ctx->m_num_compressedTextureFormats > 0 &&
+ compressedTextureFormats != NULL) {
+ for (int i = 0; i < ctx->m_num_compressedTextureFormats; i++) {
+ ptr[i] = (GLfloat) compressedTextureFormats[i];
+ }
+ }
+ break;
+ }
+
+ case GL_MAX_TEXTURE_UNITS:
+ ctx->m_glGetFloatv_enc(self, param, ptr);
+ *ptr = MIN(*ptr, (GLfloat)GLClientState::MAX_TEXTURE_UNITS);
+ break;
+
+ case GL_TEXTURE_BINDING_2D:
+ *ptr = (GLfloat)state->getBoundTexture(GL_TEXTURE_2D);
+ break;
+
+ case GL_TEXTURE_BINDING_EXTERNAL_OES:
+ *ptr = (GLfloat)state->getBoundTexture(GL_TEXTURE_EXTERNAL_OES);
+ break;
+
+ default:
+ if (!state->getClientStateParameter<GLfloat>(param,ptr)) {
+ ctx->m_glGetFloatv_enc(self, param, ptr);
+ }
+ break;
+ }
+}
+
+void GLEncoder::s_glGetFixedv(void *self, GLenum param, GLfixed *ptr)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ GLClientState* state = ctx->m_state;
+
+ switch (param) {
+ case GL_COMPRESSED_TEXTURE_FORMATS: {
+ GLint * compressedTextureFormats = ctx->getCompressedTextureFormats();
+ if (ctx->m_num_compressedTextureFormats > 0 &&
+ compressedTextureFormats != NULL) {
+ for (int i = 0; i < ctx->m_num_compressedTextureFormats; i++) {
+ ptr[i] = compressedTextureFormats[i] << 16;
+ }
+ }
+ break;
+ }
+
+ case GL_MAX_TEXTURE_UNITS:
+ ctx->m_glGetFixedv_enc(self, param, ptr);
+ *ptr = MIN(*ptr, GLClientState::MAX_TEXTURE_UNITS << 16);
+ break;
+
+ case GL_TEXTURE_BINDING_2D:
+ *ptr = state->getBoundTexture(GL_TEXTURE_2D) << 16;
+ break;
+
+ case GL_TEXTURE_BINDING_EXTERNAL_OES:
+ *ptr = state->getBoundTexture(GL_TEXTURE_EXTERNAL_OES) << 16;
+ break;
+
+ default:
+ if (!state->getClientStateParameter<GLfixed>(param,ptr)) {
+ ctx->m_glGetFixedv_enc(self, param, ptr);
+ }
+ break;
+ }
+}
+
+void GLEncoder::s_glGetBooleanv(void *self, GLenum param, GLboolean *ptr)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ GLClientState* state = ctx->m_state;
+
+ switch (param) {
+ case GL_COMPRESSED_TEXTURE_FORMATS: {
+ GLint* compressedTextureFormats = ctx->getCompressedTextureFormats();
+ if (ctx->m_num_compressedTextureFormats > 0 &&
+ compressedTextureFormats != NULL) {
+ for (int i = 0; i < ctx->m_num_compressedTextureFormats; i++) {
+ ptr[i] = compressedTextureFormats[i] != 0 ? GL_TRUE : GL_FALSE;
+ }
+ }
+ break;
+ }
+
+ case GL_TEXTURE_BINDING_2D:
+ *ptr = state->getBoundTexture(GL_TEXTURE_2D) != 0 ? GL_TRUE : GL_FALSE;
+ break;
+
+ case GL_TEXTURE_BINDING_EXTERNAL_OES:
+ *ptr = state->getBoundTexture(GL_TEXTURE_EXTERNAL_OES) != 0
+ ? GL_TRUE : GL_FALSE;
+ break;
+
+ default:
+ if (!state->getClientStateParameter<GLboolean>(param,ptr)) {
+ ctx->m_glGetBooleanv_enc(self, param, ptr);
+ }
+ break;
+ }
+}
+
+void GLEncoder::s_glGetPointerv(void * self, GLenum param, GLvoid **params)
+{
+ GLEncoder * ctx = (GLEncoder *) self;
+ assert(ctx->m_state != NULL);
+ ctx->m_state->getClientStatePointer(param,params);
+}
+
+void GLEncoder::s_glFlush(void *self)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ ctx->m_glFlush_enc(self);
+ ctx->m_stream->flush();
+}
+
+const GLubyte *GLEncoder::s_glGetString(void *self, GLenum name)
+{
+ (void)self;
+
+ GLubyte *retval = (GLubyte *) "";
+ switch(name) {
+ case GL_VENDOR:
+ retval = gVendorString;
+ break;
+ case GL_RENDERER:
+ retval = gRendererString;
+ break;
+ case GL_VERSION:
+ retval = gVersionString;
+ break;
+ case GL_EXTENSIONS:
+ retval = gExtensionsString;
+ break;
+ }
+ return retval;
+}
+
+void GLEncoder::s_glPixelStorei(void *self, GLenum param, GLint value)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ ctx->m_glPixelStorei_enc(ctx, param, value);
+ ALOG_ASSERT(ctx->m_state, "GLEncoder::s_glPixelStorei");
+ ctx->m_state->setPixelStore(param, value);
+}
+
+void GLEncoder::s_glVertexPointer(void *self, int size, GLenum type, GLsizei stride, const void *data)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ ctx->m_state->setState(GLClientState::VERTEX_LOCATION, size, type, false, stride, data);
+}
+
+void GLEncoder::s_glNormalPointer(void *self, GLenum type, GLsizei stride, const void *data)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ ctx->m_state->setState(GLClientState::NORMAL_LOCATION, 3, type, false, stride, data);
+}
+
+void GLEncoder::s_glColorPointer(void *self, int size, GLenum type, GLsizei stride, const void *data)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ ctx->m_state->setState(GLClientState::COLOR_LOCATION, size, type, false, stride, data);
+}
+
+void GLEncoder::s_glPointSizePointerOES(void *self, GLenum type, GLsizei stride, const void *data)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ ctx->m_state->setState(GLClientState::POINTSIZE_LOCATION, 1, type, false, stride, data);
+}
+
+void GLEncoder::s_glClientActiveTexture(void *self, GLenum texture)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ ctx->m_state->setActiveTexture(texture - GL_TEXTURE0);
+}
+
+void GLEncoder::s_glTexCoordPointer(void *self, int size, GLenum type, GLsizei stride, const void *data)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ int loc = ctx->m_state->getLocation(GL_TEXTURE_COORD_ARRAY);
+ ctx->m_state->setState(loc, size, type, false, stride, data);
+}
+
+void GLEncoder::s_glMatrixIndexPointerOES(void *self, int size, GLenum type, GLsizei stride, const void * data)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ int loc = ctx->m_state->getLocation(GL_MATRIX_INDEX_ARRAY_OES);
+ ctx->m_state->setState(loc, size, type, false, stride, data);
+}
+
+void GLEncoder::s_glWeightPointerOES(void * self, int size, GLenum type, GLsizei stride, const void * data)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ int loc = ctx->m_state->getLocation(GL_WEIGHT_ARRAY_OES);
+ ctx->m_state->setState(loc, size, type, false, stride, data);
+}
+
+void GLEncoder::s_glEnableClientState(void *self, GLenum state)
+{
+ GLEncoder *ctx = (GLEncoder *) self;
+ assert(ctx->m_state != NULL);
+ int loc = ctx->m_state->getLocation(state);
+ ctx->m_state->enable(loc, 1);
+}
+
+void GLEncoder::s_glDisableClientState(void *self, GLenum state)
+{
+ GLEncoder *ctx = (GLEncoder *) self;
+ assert(ctx->m_state != NULL);
+ int loc = ctx->m_state->getLocation(state);
+ ctx->m_state->enable(loc, 0);
+}
+
+GLboolean GLEncoder::s_glIsEnabled(void *self, GLenum cap)
+{
+ GLEncoder *ctx = (GLEncoder *) self;
+ assert(ctx->m_state != NULL);
+ int loc = ctx->m_state->getLocation(cap);
+ const GLClientState::VertexAttribState *state = ctx->m_state->getState(loc);
+
+ if (state!=NULL)
+ return state->enabled;
+
+ return ctx->m_glIsEnabled_enc(self,cap);
+}
+
+void GLEncoder::s_glBindBuffer(void *self, GLenum target, GLuint id)
+{
+ GLEncoder *ctx = (GLEncoder *) self;
+ assert(ctx->m_state != NULL);
+ ctx->m_state->bindBuffer(target, id);
+ // TODO set error state if needed;
+ ctx->m_glBindBuffer_enc(self, target, id);
+}
+
+void GLEncoder::s_glBufferData(void * self, GLenum target, GLsizeiptr size, const GLvoid * data, GLenum usage)
+{
+ GLEncoder *ctx = (GLEncoder *) self;
+ GLuint bufferId = ctx->m_state->getBuffer(target);
+ SET_ERROR_IF(bufferId==0, GL_INVALID_OPERATION);
+ SET_ERROR_IF(size<0, GL_INVALID_VALUE);
+
+ ctx->m_shared->updateBufferData(bufferId, size, (void*)data);
+ ctx->m_glBufferData_enc(self, target, size, data, usage);
+}
+
+void GLEncoder::s_glBufferSubData(void * self, GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid * data)
+{
+ GLEncoder *ctx = (GLEncoder *) self;
+ GLuint bufferId = ctx->m_state->getBuffer(target);
+ SET_ERROR_IF(bufferId==0, GL_INVALID_OPERATION);
+
+ GLenum res = ctx->m_shared->subUpdateBufferData(bufferId, offset, size, (void*)data);
+ SET_ERROR_IF(res, res);
+
+ ctx->m_glBufferSubData_enc(self, target, offset, size, data);
+}
+
+void GLEncoder::s_glDeleteBuffers(void * self, GLsizei n, const GLuint * buffers)
+{
+ GLEncoder *ctx = (GLEncoder *) self;
+ SET_ERROR_IF(n<0, GL_INVALID_VALUE);
+ for (int i=0; i<n; i++) {
+ ctx->m_shared->deleteBufferData(buffers[i]);
+ ctx->m_glDeleteBuffers_enc(self,1,&buffers[i]);
+ }
+}
+
+void GLEncoder::sendVertexData(unsigned int first, unsigned int count)
+{
+ assert(m_state != NULL);
+ for (int i = 0; i < GLClientState::LAST_LOCATION; i++) {
+ bool enableDirty;
+ const GLClientState::VertexAttribState *state = m_state->getStateAndEnableDirty(i, &enableDirty);
+
+ // do not process if state not valid
+ if (!state) continue;
+
+ // do not send disable state if state was already disabled
+ if (!enableDirty && !state->enabled) continue;
+
+ if ( i >= GLClientState::TEXCOORD0_LOCATION &&
+ i <= GLClientState::TEXCOORD7_LOCATION ) {
+ m_glClientActiveTexture_enc(this, GL_TEXTURE0 + i - GLClientState::TEXCOORD0_LOCATION);
+ }
+
+ if (state->enabled) {
+
+ if (enableDirty)
+ m_glEnableClientState_enc(this, state->glConst);
+
+ unsigned int datalen = state->elementSize * count;
+ int stride = state->stride;
+ if (stride == 0) stride = state->elementSize;
+ int firstIndex = stride * first;
+
+ this->m_glBindBuffer_enc(this, GL_ARRAY_BUFFER, state->bufferObject);
+ if (state->bufferObject == 0) {
+
+ switch(i) {
+ case GLClientState::VERTEX_LOCATION:
+ this->glVertexPointerData(this, state->size, state->type, state->stride,
+ (unsigned char *)state->data + firstIndex, datalen);
+ break;
+ case GLClientState::NORMAL_LOCATION:
+ this->glNormalPointerData(this, state->type, state->stride,
+ (unsigned char *)state->data + firstIndex, datalen);
+ break;
+ case GLClientState::COLOR_LOCATION:
+ this->glColorPointerData(this, state->size, state->type, state->stride,
+ (unsigned char *)state->data + firstIndex, datalen);
+ break;
+ case GLClientState::TEXCOORD0_LOCATION:
+ case GLClientState::TEXCOORD1_LOCATION:
+ case GLClientState::TEXCOORD2_LOCATION:
+ case GLClientState::TEXCOORD3_LOCATION:
+ case GLClientState::TEXCOORD4_LOCATION:
+ case GLClientState::TEXCOORD5_LOCATION:
+ case GLClientState::TEXCOORD6_LOCATION:
+ case GLClientState::TEXCOORD7_LOCATION:
+ this->glTexCoordPointerData(this, i - GLClientState::TEXCOORD0_LOCATION, state->size, state->type, state->stride,
+ (unsigned char *)state->data + firstIndex, datalen);
+ break;
+ case GLClientState::POINTSIZE_LOCATION:
+ this->glPointSizePointerData(this, state->type, state->stride,
+ (unsigned char *) state->data + firstIndex, datalen);
+ break;
+ case GLClientState::WEIGHT_LOCATION:
+ this->glWeightPointerData(this, state->size, state->type, state->stride,
+ (unsigned char * ) state->data + firstIndex, datalen);
+ break;
+ case GLClientState::MATRIXINDEX_LOCATION:
+ this->glMatrixIndexPointerData(this, state->size, state->type, state->stride,
+ (unsigned char *)state->data + firstIndex, datalen);
+ break;
+ }
+ } else {
+
+ switch(i) {
+ case GLClientState::VERTEX_LOCATION:
+ this->glVertexPointerOffset(this, state->size, state->type, state->stride,
+ (uintptr_t)state->data + firstIndex);
+ break;
+ case GLClientState::NORMAL_LOCATION:
+ this->glNormalPointerOffset(this, state->type, state->stride,
+ (uintptr_t)state->data + firstIndex);
+ break;
+ case GLClientState::POINTSIZE_LOCATION:
+ this->glPointSizePointerOffset(this, state->type, state->stride,
+ (uintptr_t)state->data + firstIndex);
+ break;
+ case GLClientState::COLOR_LOCATION:
+ this->glColorPointerOffset(this, state->size, state->type, state->stride,
+ (uintptr_t)state->data + firstIndex);
+ break;
+ case GLClientState::TEXCOORD0_LOCATION:
+ case GLClientState::TEXCOORD1_LOCATION:
+ case GLClientState::TEXCOORD2_LOCATION:
+ case GLClientState::TEXCOORD3_LOCATION:
+ case GLClientState::TEXCOORD4_LOCATION:
+ case GLClientState::TEXCOORD5_LOCATION:
+ case GLClientState::TEXCOORD6_LOCATION:
+ case GLClientState::TEXCOORD7_LOCATION:
+ this->glTexCoordPointerOffset(this, state->size, state->type, state->stride,
+ (uintptr_t)state->data + firstIndex);
+ break;
+ case GLClientState::WEIGHT_LOCATION:
+ this->glWeightPointerOffset(this,state->size,state->type,state->stride,
+ (uintptr_t)state->data+firstIndex);
+ break;
+ case GLClientState::MATRIXINDEX_LOCATION:
+ this->glMatrixIndexPointerOffset(this,state->size,state->type,state->stride,
+ (uintptr_t)state->data+firstIndex);
+ break;
+ }
+ }
+ this->m_glBindBuffer_enc(this, GL_ARRAY_BUFFER, m_state->currentArrayVbo());
+ } else {
+ this->m_glDisableClientState_enc(this, state->glConst);
+ }
+ }
+}
+
+void GLEncoder::s_glDrawArrays(void *self, GLenum mode, GLint first, GLsizei count)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+
+ bool has_arrays = false;
+ for (int i = 0; i < GLClientState::LAST_LOCATION; i++) {
+ const GLClientState::VertexAttribState *state = ctx->m_state->getState(i);
+ if (state->enabled) {
+ if (state->bufferObject || state->data) {
+ has_arrays = true;
+ } else {
+ ALOGE("glDrawArrays: a vertex attribute array is enabled with no data bound\n");
+ ctx->setError(GL_INVALID_OPERATION);
+ return;
+ }
+ }
+ }
+ if (!has_arrays) {
+ ALOGE("glDrawArrays: no data bound to the command - ignoring\n");
+ return;
+ }
+
+ ctx->sendVertexData(first, count);
+ ctx->m_glDrawArrays_enc(ctx, mode, /*first*/ 0, count);
+}
+
+void GLEncoder::s_glDrawElements(void *self, GLenum mode, GLsizei count, GLenum type, const void *indices)
+{
+
+ GLEncoder *ctx = (GLEncoder *)self;
+ assert(ctx->m_state != NULL);
+ SET_ERROR_IF(count<0, GL_INVALID_VALUE);
+
+ bool has_immediate_arrays = false;
+ bool has_indirect_arrays = false;
+
+ for (int i = 0; i < GLClientState::LAST_LOCATION; i++) {
+ const GLClientState::VertexAttribState *state = ctx->m_state->getState(i);
+ if (state->enabled) {
+ if (state->bufferObject != 0) {
+ has_indirect_arrays = true;
+ } else if (state->data) {
+ has_immediate_arrays = true;
+ } else {
+ ALOGE("glDrawElements: a vertex attribute array is enabled with no data bound\n");
+ ctx->setError(GL_INVALID_OPERATION);
+ return;
+ }
+ }
+ }
+
+ if (!has_immediate_arrays && !has_indirect_arrays) {
+ ALOGE("glDrawElements: no data bound to the command - ignoring\n");
+ return;
+ }
+
+ bool adjustIndices = true;
+ if (ctx->m_state->currentIndexVbo() != 0) {
+ if (!has_immediate_arrays) {
+ ctx->sendVertexData(0, count);
+ ctx->m_glBindBuffer_enc(self, GL_ELEMENT_ARRAY_BUFFER, ctx->m_state->currentIndexVbo());
+ ctx->glDrawElementsOffset(ctx, mode, count, type, (uintptr_t)indices);
+ adjustIndices = false;
+ } else {
+ BufferData * buf = ctx->m_shared->getBufferData(ctx->m_state->currentIndexVbo());
+ ctx->m_glBindBuffer_enc(self, GL_ELEMENT_ARRAY_BUFFER, 0);
+ indices = (void*)((GLintptr)buf->m_fixedBuffer.ptr() + (GLintptr)indices);
+ }
+ }
+ if (adjustIndices) {
+ void *adjustedIndices = (void*)indices;
+ int minIndex = 0, maxIndex = 0;
+
+ switch(type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ GLUtils::minmax<unsigned char>((unsigned char *)indices, count, &minIndex, &maxIndex);
+ if (minIndex != 0) {
+ adjustedIndices = ctx->m_fixedBuffer.alloc(glSizeof(type) * count);
+ GLUtils::shiftIndices<unsigned char>((unsigned char *)indices,
+ (unsigned char *)adjustedIndices,
+ count, -minIndex);
+ }
+ break;
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ GLUtils::minmax<unsigned short>((unsigned short *)indices, count, &minIndex, &maxIndex);
+ if (minIndex != 0) {
+ adjustedIndices = ctx->m_fixedBuffer.alloc(glSizeof(type) * count);
+ GLUtils::shiftIndices<unsigned short>((unsigned short *)indices,
+ (unsigned short *)adjustedIndices,
+ count, -minIndex);
+ }
+ break;
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ GLUtils::minmax<unsigned int>((unsigned int *)indices, count, &minIndex, &maxIndex);
+ if (minIndex != 0) {
+ adjustedIndices = ctx->m_fixedBuffer.alloc(glSizeof(type) * count);
+ GLUtils::shiftIndices<unsigned int>((unsigned int *)indices,
+ (unsigned int *)adjustedIndices,
+ count, -minIndex);
+ }
+ break;
+ default:
+ ALOGE("unsupported index buffer type %d\n", type);
+ }
+ if (has_indirect_arrays || 1) {
+ ctx->sendVertexData(minIndex, maxIndex - minIndex + 1);
+ ctx->glDrawElementsData(ctx, mode, count, type, adjustedIndices,
+ count * glSizeof(type));
+ // XXX - OPTIMIZATION (see the other else branch) should be implemented
+ if(!has_indirect_arrays) {
+ //ALOGD("unoptimized drawelements !!!\n");
+ }
+ } else {
+ // we are all direct arrays and immidate mode index array -
+ // rebuild the arrays and the index array;
+ ALOGE("glDrawElements: direct index & direct buffer data - will be implemented in later versions;\n");
+ }
+ }
+}
+
+void GLEncoder::s_glActiveTexture(void* self, GLenum texture)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ GLClientState* state = ctx->m_state;
+ GLenum err;
+
+ if ((err = state->setActiveTextureUnit(texture)) != GL_NO_ERROR) {
+ ALOGE("%s:%s:%d GL error %#x\n", __FILE__, __FUNCTION__, __LINE__, err);
+ ctx->setError(err);
+ return;
+ }
+
+ ctx->m_glActiveTexture_enc(ctx, texture);
+}
+
+void GLEncoder::s_glBindTexture(void* self, GLenum target, GLuint texture)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ GLClientState* state = ctx->m_state;
+ GLenum err;
+
+ GLboolean firstUse;
+ if ((err = state->bindTexture(target, texture, &firstUse)) != GL_NO_ERROR) {
+ ALOGE("%s:%s:%d GL error %#x\n", __FILE__, __FUNCTION__, __LINE__, err);
+ ctx->setError(err);
+ return;
+ }
+
+ if (target != GL_TEXTURE_2D && target != GL_TEXTURE_EXTERNAL_OES) {
+ ctx->m_glBindTexture_enc(ctx, target, texture);
+ return;
+ }
+
+ GLenum priorityTarget = state->getPriorityEnabledTarget(GL_TEXTURE_2D);
+
+ if (target == GL_TEXTURE_EXTERNAL_OES && firstUse) {
+ // set TEXTURE_EXTERNAL_OES default states which differ from TEXTURE_2D
+ ctx->m_glBindTexture_enc(ctx, GL_TEXTURE_2D, texture);
+ ctx->m_glTexParameteri_enc(ctx, GL_TEXTURE_2D,
+ GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ ctx->m_glTexParameteri_enc(ctx, GL_TEXTURE_2D,
+ GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ ctx->m_glTexParameteri_enc(ctx, GL_TEXTURE_2D,
+ GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
+ if (target != priorityTarget) {
+ ctx->m_glBindTexture_enc(ctx, GL_TEXTURE_2D,
+ state->getBoundTexture(GL_TEXTURE_2D));
+ }
+ }
+
+ if (target == priorityTarget) {
+ ctx->m_glBindTexture_enc(ctx, GL_TEXTURE_2D, texture);
+ }
+}
+
+void GLEncoder::s_glDeleteTextures(void* self, GLsizei n, const GLuint* textures)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ GLClientState* state = ctx->m_state;
+
+ state->deleteTextures(n, textures);
+ ctx->m_glDeleteTextures_enc(ctx, n, textures);
+}
+
+void GLEncoder::s_glDisable(void* self, GLenum cap)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ GLClientState* state = ctx->m_state;
+
+ if (cap == GL_TEXTURE_2D || cap == GL_TEXTURE_EXTERNAL_OES) {
+ GLenum prevTarget = state->getPriorityEnabledTarget(GL_INVALID_ENUM);
+ state->disableTextureTarget(cap);
+ GLenum currTarget = state->getPriorityEnabledTarget(GL_INVALID_ENUM);
+
+ if (prevTarget != currTarget) {
+ if (currTarget == GL_INVALID_ENUM) {
+ ctx->m_glDisable_enc(ctx, GL_TEXTURE_2D);
+ currTarget = GL_TEXTURE_2D;
+ }
+ // maintain the invariant that when TEXTURE_EXTERNAL_OES is
+ // disabled, the TEXTURE_2D binding is active, even if
+ // TEXTURE_2D is also disabled.
+ ctx->m_glBindTexture_enc(ctx, GL_TEXTURE_2D,
+ state->getBoundTexture(currTarget));
+ }
+
+ } else {
+ ctx->m_glDisable_enc(ctx, cap);
+ }
+}
+
+void GLEncoder::s_glEnable(void* self, GLenum cap)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ GLClientState* state = ctx->m_state;
+
+ if (cap == GL_TEXTURE_2D || cap == GL_TEXTURE_EXTERNAL_OES) {
+ GLenum prevTarget = state->getPriorityEnabledTarget(GL_INVALID_ENUM);
+ state->enableTextureTarget(cap);
+ GLenum currTarget = state->getPriorityEnabledTarget(GL_INVALID_ENUM);
+
+ if (prevTarget != currTarget) {
+ if (prevTarget == GL_INVALID_ENUM) {
+ ctx->m_glEnable_enc(ctx, GL_TEXTURE_2D);
+ }
+ if (currTarget == GL_TEXTURE_EXTERNAL_OES) {
+ ctx->m_glBindTexture_enc(ctx, GL_TEXTURE_2D,
+ state->getBoundTexture(currTarget));
+ }
+ }
+
+ } else {
+ ctx->m_glEnable_enc(ctx, cap);
+ }
+}
+
+void GLEncoder::s_glGetTexParameterfv(void* self,
+ GLenum target, GLenum pname, GLfloat* params)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ const GLClientState* state = ctx->m_state;
+
+ if (target == GL_TEXTURE_2D || target == GL_TEXTURE_EXTERNAL_OES) {
+ ctx->override2DTextureTarget(target);
+ ctx->m_glGetTexParameterfv_enc(ctx, GL_TEXTURE_2D, pname, params);
+ ctx->restore2DTextureTarget();
+ } else {
+ ctx->m_glGetTexParameterfv_enc(ctx, target, pname, params);
+ }
+}
+
+void GLEncoder::s_glGetTexParameteriv(void* self,
+ GLenum target, GLenum pname, GLint* params)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ const GLClientState* state = ctx->m_state;
+
+ switch (pname) {
+ case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
+ *params = 1;
+ break;
+
+ default:
+ if (target == GL_TEXTURE_2D || target == GL_TEXTURE_EXTERNAL_OES) {
+ ctx->override2DTextureTarget(target);
+ ctx->m_glGetTexParameteriv_enc(ctx, GL_TEXTURE_2D, pname, params);
+ ctx->restore2DTextureTarget();
+ } else {
+ ctx->m_glGetTexParameteriv_enc(ctx, target, pname, params);
+ }
+ break;
+ }
+}
+
+void GLEncoder::s_glGetTexParameterxv(void* self,
+ GLenum target, GLenum pname, GLfixed* params)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ const GLClientState* state = ctx->m_state;
+
+ if (target == GL_TEXTURE_2D || target == GL_TEXTURE_EXTERNAL_OES) {
+ ctx->override2DTextureTarget(target);
+ ctx->m_glGetTexParameterxv_enc(ctx, GL_TEXTURE_2D, pname, params);
+ ctx->restore2DTextureTarget();
+ } else {
+ ctx->m_glGetTexParameterxv_enc(ctx, target, pname, params);
+ }
+}
+
+static bool isValidTextureExternalParam(GLenum pname, GLenum param)
+{
+ switch (pname) {
+ case GL_TEXTURE_MIN_FILTER:
+ case GL_TEXTURE_MAG_FILTER:
+ return param == GL_NEAREST || param == GL_LINEAR;
+
+ case GL_TEXTURE_WRAP_S:
+ case GL_TEXTURE_WRAP_T:
+ return param == GL_CLAMP_TO_EDGE;
+
+ case GL_GENERATE_MIPMAP:
+ return param == GL_FALSE;
+
+ default:
+ return true;
+ }
+}
+
+void GLEncoder::s_glTexParameterf(void* self,
+ GLenum target, GLenum pname, GLfloat param)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ const GLClientState* state = ctx->m_state;
+
+ SET_ERROR_IF((target == GL_TEXTURE_EXTERNAL_OES &&
+ !isValidTextureExternalParam(pname, (GLenum)param)),
+ GL_INVALID_ENUM);
+
+ if (target == GL_TEXTURE_2D || target == GL_TEXTURE_EXTERNAL_OES) {
+ ctx->override2DTextureTarget(target);
+ ctx->m_glTexParameterf_enc(ctx, GL_TEXTURE_2D, pname, param);
+ ctx->restore2DTextureTarget();
+ } else {
+ ctx->m_glTexParameterf_enc(ctx, target, pname, param);
+ }
+}
+
+void GLEncoder::s_glTexParameterfv(void* self,
+ GLenum target, GLenum pname, const GLfloat* params)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ const GLClientState* state = ctx->m_state;
+
+ SET_ERROR_IF((target == GL_TEXTURE_EXTERNAL_OES &&
+ !isValidTextureExternalParam(pname, (GLenum)params[0])),
+ GL_INVALID_ENUM);
+
+ if (target == GL_TEXTURE_2D || target == GL_TEXTURE_EXTERNAL_OES) {
+ ctx->override2DTextureTarget(target);
+ ctx->m_glTexParameterfv_enc(ctx, GL_TEXTURE_2D, pname, params);
+ ctx->restore2DTextureTarget();
+ } else {
+ ctx->m_glTexParameterfv_enc(ctx, target, pname, params);
+ }
+}
+
+void GLEncoder::s_glTexParameteri(void* self,
+ GLenum target, GLenum pname, GLint param)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ const GLClientState* state = ctx->m_state;
+
+ SET_ERROR_IF((target == GL_TEXTURE_EXTERNAL_OES &&
+ !isValidTextureExternalParam(pname, (GLenum)param)),
+ GL_INVALID_ENUM);
+
+ if (target == GL_TEXTURE_2D || target == GL_TEXTURE_EXTERNAL_OES) {
+ ctx->override2DTextureTarget(target);
+ ctx->m_glTexParameteri_enc(ctx, GL_TEXTURE_2D, pname, param);
+ ctx->restore2DTextureTarget();
+ } else {
+ ctx->m_glTexParameteri_enc(ctx, target, pname, param);
+ }
+}
+
+void GLEncoder::s_glTexParameterx(void* self,
+ GLenum target, GLenum pname, GLfixed param)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ const GLClientState* state = ctx->m_state;
+
+ SET_ERROR_IF((target == GL_TEXTURE_EXTERNAL_OES &&
+ !isValidTextureExternalParam(pname, (GLenum)param)),
+ GL_INVALID_ENUM);
+
+ if (target == GL_TEXTURE_2D || target == GL_TEXTURE_EXTERNAL_OES) {
+ ctx->override2DTextureTarget(target);
+ ctx->m_glTexParameterx_enc(ctx, GL_TEXTURE_2D, pname, param);
+ ctx->restore2DTextureTarget();
+ } else {
+ ctx->m_glTexParameterx_enc(ctx, target, pname, param);
+ }
+}
+
+void GLEncoder::s_glTexParameteriv(void* self,
+ GLenum target, GLenum pname, const GLint* params)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ const GLClientState* state = ctx->m_state;
+
+ SET_ERROR_IF((target == GL_TEXTURE_EXTERNAL_OES &&
+ !isValidTextureExternalParam(pname, (GLenum)params[0])),
+ GL_INVALID_ENUM);
+
+ if (target == GL_TEXTURE_2D || target == GL_TEXTURE_EXTERNAL_OES) {
+ ctx->override2DTextureTarget(target);
+ ctx->m_glTexParameteriv_enc(ctx, GL_TEXTURE_2D, pname, params);
+ ctx->restore2DTextureTarget();
+ } else {
+ ctx->m_glTexParameteriv_enc(ctx, target, pname, params);
+ }
+}
+
+void GLEncoder::s_glTexParameterxv(void* self,
+ GLenum target, GLenum pname, const GLfixed* params)
+{
+ GLEncoder* ctx = (GLEncoder*)self;
+ const GLClientState* state = ctx->m_state;
+
+ SET_ERROR_IF((target == GL_TEXTURE_EXTERNAL_OES &&
+ !isValidTextureExternalParam(pname, (GLenum)params[0])),
+ GL_INVALID_ENUM);
+
+ if (target == GL_TEXTURE_2D || target == GL_TEXTURE_EXTERNAL_OES) {
+ ctx->override2DTextureTarget(target);
+ ctx->m_glTexParameterxv_enc(ctx, GL_TEXTURE_2D, pname, params);
+ ctx->restore2DTextureTarget();
+ } else {
+ ctx->m_glTexParameterxv_enc(ctx, target, pname, params);
+ }
+}
+
+void GLEncoder::override2DTextureTarget(GLenum target)
+{
+ if ((target == GL_TEXTURE_2D || target == GL_TEXTURE_EXTERNAL_OES) &&
+ target != m_state->getPriorityEnabledTarget(GL_TEXTURE_2D)) {
+ m_glBindTexture_enc(this, GL_TEXTURE_2D,
+ m_state->getBoundTexture(target));
+ }
+}
+
+void GLEncoder::restore2DTextureTarget()
+{
+ GLenum priorityTarget = m_state->getPriorityEnabledTarget(GL_TEXTURE_2D);
+ m_glBindTexture_enc(this, GL_TEXTURE_2D,
+ m_state->getBoundTexture(priorityTarget));
+}
+
+GLEncoder::GLEncoder(IOStream *stream, ChecksumCalculator *protocol)
+ : gl_encoder_context_t(stream, protocol)
+{
+ m_initialized = false;
+ m_state = NULL;
+ m_error = GL_NO_ERROR;
+ m_num_compressedTextureFormats = 0;
+ m_compressedTextureFormats = NULL;
+
+ // overrides;
+#define OVERRIDE(name) m_##name##_enc = this-> name ; this-> name = &s_##name
+
+ OVERRIDE(glFlush);
+ OVERRIDE(glPixelStorei);
+ OVERRIDE(glVertexPointer);
+ OVERRIDE(glNormalPointer);
+ OVERRIDE(glColorPointer);
+ OVERRIDE(glPointSizePointerOES);
+ OVERRIDE(glClientActiveTexture);
+ OVERRIDE(glTexCoordPointer);
+ OVERRIDE(glMatrixIndexPointerOES);
+ OVERRIDE(glWeightPointerOES);
+
+ OVERRIDE(glGetIntegerv);
+ OVERRIDE(glGetFloatv);
+ OVERRIDE(glGetBooleanv);
+ OVERRIDE(glGetFixedv);
+ OVERRIDE(glGetPointerv);
+
+ OVERRIDE(glBindBuffer);
+ OVERRIDE(glBufferData);
+ OVERRIDE(glBufferSubData);
+ OVERRIDE(glDeleteBuffers);
+
+ OVERRIDE(glEnableClientState);
+ OVERRIDE(glDisableClientState);
+ OVERRIDE(glIsEnabled);
+ OVERRIDE(glDrawArrays);
+ OVERRIDE(glDrawElements);
+
+ this->glGetString = s_glGetString;
+ this->glFinish = s_glFinish;
+
+ OVERRIDE(glGetError);
+
+ OVERRIDE(glActiveTexture);
+ OVERRIDE(glBindTexture);
+ OVERRIDE(glDeleteTextures);
+ OVERRIDE(glDisable);
+ OVERRIDE(glEnable);
+ OVERRIDE(glGetTexParameterfv);
+ OVERRIDE(glGetTexParameteriv);
+ OVERRIDE(glGetTexParameterxv);
+ OVERRIDE(glTexParameterf);
+ OVERRIDE(glTexParameterfv);
+ OVERRIDE(glTexParameteri);
+ OVERRIDE(glTexParameterx);
+ OVERRIDE(glTexParameteriv);
+ OVERRIDE(glTexParameterxv);
+}
+
+GLEncoder::~GLEncoder()
+{
+ delete [] m_compressedTextureFormats;
+}
+
+size_t GLEncoder::pixelDataSize(GLsizei width, GLsizei height, GLenum format, GLenum type, int pack)
+{
+ assert(m_state != NULL);
+ return m_state->pixelDataSize(width, height, format, type, pack);
+}
+
+void GLEncoder::s_glFinish(void *self)
+{
+ GLEncoder *ctx = (GLEncoder *)self;
+ ctx->glFinishRoundTrip(self);
+}