blob: 7124eb568979b7eca305e92c6a9a4e5041982671 [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()
{
mActiveBuffer = 0;
}
VertexArray::~VertexArray()
{
}
void VertexArray::clearAll()
{
for (uint32_t ct=0; ct < RS_MAX_ATTRIBS; ct++) {
mAttribs[ct].clear();
}
mActiveBuffer = 0;
}
VertexArray::Attrib::Attrib()
{
clear();
}
void VertexArray::Attrib::set(const Attrib &a)
{
buffer = a.buffer;
offset = a.offset;
type = a.type;
size = a.size;
stride = a.stride;
normalized = a.normalized;
name.setTo(a.name);
}
void VertexArray::Attrib::clear()
{
buffer = 0;
offset = 0;
type = 0;
size = 0;
stride = 0;
normalized = false;
name.setTo("");
}
void VertexArray::clear(AttribName n)
{
mAttribs[n].clear();
}
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)
{
mAttribs[TEXTURE].buffer = mActiveBuffer;
mAttribs[TEXTURE].type = type;
mAttribs[TEXTURE].size = size;
mAttribs[TEXTURE].offset = offset;
mAttribs[TEXTURE].stride = stride;
mAttribs[TEXTURE].normalized = false;
}
void VertexArray::setUser(const Attrib &a, uint32_t stride)
{
// Find empty slot, some may be taken by legacy 1.1 slots.
uint32_t slot = 0;
while (mAttribs[slot].size) slot++;
rsAssert(slot < RS_MAX_ATTRIBS);
mAttribs[slot].set(a);
mAttribs[slot].buffer = mActiveBuffer;
mAttribs[slot].stride = stride;
}
void VertexArray::logAttrib(uint32_t idx, uint32_t slot) const {
LOGE("va %i: slot=%i name=%s buf=%i size=%i type=0x%x stride=0x%x norm=%i offset=0x%x", idx, slot,
mAttribs[idx].name.string(),
mAttribs[idx].buffer,
mAttribs[idx].size,
mAttribs[idx].type,
mAttribs[idx].stride,
mAttribs[idx].normalized,
mAttribs[idx].offset);
}
void VertexArray::setupGL(const Context *rsc, 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);
}
glClientActiveTexture(GL_TEXTURE0);
if (mAttribs[TEXTURE].size) {
//logAttrib(TEXTURE);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, mAttribs[TEXTURE].buffer);
glTexCoordPointer(mAttribs[TEXTURE].size,
mAttribs[TEXTURE].type,
mAttribs[TEXTURE].stride,
(void *)mAttribs[TEXTURE].offset);
} else {
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
}
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);
}
rsc->checkError("VertexArray::setupGL");
}
void VertexArray::setupGL2(const Context *rsc, class VertexArrayState *state, ShaderCache *sc) const
{
for (int ct=1; ct < _LAST; ct++) {
glDisableVertexAttribArray(ct);
}
for (uint32_t ct=0; ct < RS_MAX_ATTRIBS; ct++) {
if (mAttribs[ct].size && (sc->vtxAttribSlot(ct) >= 0)) {
//logAttrib(ct, sc->vtxAttribSlot(ct));
glEnableVertexAttribArray(sc->vtxAttribSlot(ct));
glBindBuffer(GL_ARRAY_BUFFER, mAttribs[ct].buffer);
glVertexAttribPointer(sc->vtxAttribSlot(ct),
mAttribs[ct].size,
mAttribs[ct].type,
mAttribs[ct].normalized,
mAttribs[ct].stride,
(void *)mAttribs[ct].offset);
}
}
rsc->checkError("VertexArray::setupGL2");
}
////////////////////////////////////////////
void VertexArrayState::init(Context *) {
}