blob: 34d42ed8b01ed570fd04d43bc693d0287f8b538f [file] [log] [blame]
/*
* Copyright (C) 2009 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 "rsContext.h"
#include <GLES/gl.h>
#include <GLES2/gl2.h>
using namespace android;
using namespace android::renderscript;
VertexArray::VertexArray()
{
memset(mAttribs, 0, sizeof(mAttribs));
mActiveBuffer = 0;
}
VertexArray::~VertexArray()
{
}
void VertexArray::clearAll()
{
memset(mAttribs, 0, sizeof(mAttribs));
mActiveBuffer = 0;
}
void VertexArray::clear(AttribName n)
{
mAttribs[n].size = 0;
}
void VertexArray::setPosition(uint32_t size, uint32_t type, uint32_t stride, uint32_t offset)
{
mAttribs[POSITION].buffer = mActiveBuffer;
mAttribs[POSITION].type = type;
mAttribs[POSITION].size = size;
mAttribs[POSITION].offset = offset;
mAttribs[POSITION].stride = stride;
mAttribs[POSITION].normalized = false;
}
void VertexArray::setColor(uint32_t size, uint32_t type, uint32_t stride, uint32_t offset)
{
mAttribs[COLOR].buffer = mActiveBuffer;
mAttribs[COLOR].type = type;
mAttribs[COLOR].size = size;
mAttribs[COLOR].offset = offset;
mAttribs[COLOR].stride = stride;
mAttribs[COLOR].normalized = type != GL_FLOAT;
}
void VertexArray::setNormal(uint32_t type, uint32_t stride, uint32_t offset)
{
mAttribs[NORMAL].buffer = mActiveBuffer;
mAttribs[NORMAL].type = type;
mAttribs[NORMAL].size = 3;
mAttribs[NORMAL].offset = offset;
mAttribs[NORMAL].stride = stride;
mAttribs[NORMAL].normalized = type != GL_FLOAT;
}
void VertexArray::setPointSize(uint32_t type, uint32_t stride, uint32_t offset)
{
mAttribs[POINT_SIZE].buffer = mActiveBuffer;
mAttribs[POINT_SIZE].type = type;
mAttribs[POINT_SIZE].size = 1;
mAttribs[POINT_SIZE].offset = offset;
mAttribs[POINT_SIZE].stride = stride;
mAttribs[POINT_SIZE].normalized = false;
}
void VertexArray::setTexture(uint32_t size, uint32_t type, uint32_t stride, uint32_t offset, uint32_t num)
{
mAttribs[TEXTURE_0 + num].buffer = mActiveBuffer;
mAttribs[TEXTURE_0 + num].type = type;
mAttribs[TEXTURE_0 + num].size = size;
mAttribs[TEXTURE_0 + num].offset = offset;
mAttribs[TEXTURE_0 + num].stride = stride;
mAttribs[TEXTURE_0 + num].normalized = false;
}
void VertexArray::logAttrib(uint32_t idx) const {
LOGE("va %i: buf=%i size=%i type=0x%x stride=0x%x offset=0x%x", idx,
mAttribs[idx].buffer,
mAttribs[idx].size,
mAttribs[idx].type,
mAttribs[idx].stride,
mAttribs[idx].offset);
}
void VertexArray::setupGL(class VertexArrayState *state) const
{
if (mAttribs[POSITION].size) {
//logAttrib(POSITION);
glEnableClientState(GL_VERTEX_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, mAttribs[POSITION].buffer);
glVertexPointer(mAttribs[POSITION].size,
mAttribs[POSITION].type,
mAttribs[POSITION].stride,
(void *)mAttribs[POSITION].offset);
} else {
rsAssert(0);
}
if (mAttribs[NORMAL].size) {
//logAttrib(NORMAL);
glEnableClientState(GL_NORMAL_ARRAY);
rsAssert(mAttribs[NORMAL].size == 3);
glBindBuffer(GL_ARRAY_BUFFER, mAttribs[NORMAL].buffer);
glNormalPointer(mAttribs[NORMAL].type,
mAttribs[NORMAL].stride,
(void *)mAttribs[NORMAL].offset);
} else {
glDisableClientState(GL_NORMAL_ARRAY);
}
if (mAttribs[COLOR].size) {
//logAttrib(COLOR);
glEnableClientState(GL_COLOR_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, mAttribs[COLOR].buffer);
glColorPointer(mAttribs[COLOR].size,
mAttribs[COLOR].type,
mAttribs[COLOR].stride,
(void *)mAttribs[COLOR].offset);
} else {
glDisableClientState(GL_COLOR_ARRAY);
}
for (uint32_t ct=0; ct < RS_MAX_TEXTURE; ct++) {
glClientActiveTexture(GL_TEXTURE0 + ct);
if (mAttribs[TEXTURE_0 + ct].size) {
//logAttrib(TEXTURE_0 + ct);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, mAttribs[TEXTURE_0 + ct].buffer);
glTexCoordPointer(mAttribs[TEXTURE_0 + ct].size,
mAttribs[TEXTURE_0 + ct].type,
mAttribs[TEXTURE_0 + ct].stride,
(void *)mAttribs[TEXTURE_0 + ct].offset);
} else {
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
}
}
glClientActiveTexture(GL_TEXTURE0);
if (mAttribs[POINT_SIZE].size) {
//logAttrib(POINT_SIZE);
glEnableClientState(GL_POINT_SIZE_ARRAY_OES);
glBindBuffer(GL_ARRAY_BUFFER, mAttribs[POINT_SIZE].buffer);
glPointSizePointerOES(mAttribs[POINT_SIZE].type,
mAttribs[POINT_SIZE].stride,
(void *)mAttribs[POINT_SIZE].offset);
} else {
glDisableClientState(GL_POINT_SIZE_ARRAY_OES);
}
}
void VertexArray::setupGL2(class VertexArrayState *state, ShaderCache *sc) const
{
for (int ct=1; ct < _LAST; ct++) {
glDisableVertexAttribArray(ct);
}
for (int ct=0; ct < _LAST; ct++) {
if (mAttribs[ct].size) {
//logAttrib(ct);
glEnableVertexAttribArray(sc->vtxAttribSlot(ct));
glBindBuffer(GL_ARRAY_BUFFER, mAttribs[ct].buffer);
//LOGV("attp %i %i", ct, sc->vtxAttribSlot(ct));
glVertexAttribPointer(sc->vtxAttribSlot(ct),
mAttribs[ct].size,
mAttribs[ct].type,
mAttribs[ct].normalized,
mAttribs[ct].stride,
(void *)mAttribs[ct].offset);
} else {
//glDisableVertexAttribArray(ct);
rsAssert(ct);
}
}
}
////////////////////////////////////////////
void VertexArrayState::init(Context *) {
memset(this, 0, sizeof(this));
}