247 lines
7.6 KiB
C++
247 lines
7.6 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef ANDROID_RS_BUILD_FOR_HOST
|
|
#include "rsContext.h"
|
|
#include <GLES/gl.h>
|
|
#include <GLES/glext.h>
|
|
#include <GLES2/gl2.h>
|
|
#include <GLES2/gl2ext.h>
|
|
#else
|
|
#include "rsContextHostStub.h"
|
|
#include <OpenGL/gl.h>
|
|
#include <OpenGL/glext.h>
|
|
#endif //ANDROID_RS_BUILD_FOR_HOST
|
|
|
|
#include "rsProgramFragment.h"
|
|
|
|
using namespace android;
|
|
using namespace android::renderscript;
|
|
|
|
ProgramFragment::ProgramFragment(Context *rsc, const char * shaderText,
|
|
uint32_t shaderLength, const uint32_t * params,
|
|
uint32_t paramLength) :
|
|
Program(rsc, shaderText, shaderLength, params, paramLength)
|
|
{
|
|
mAllocFile = __FILE__;
|
|
mAllocLine = __LINE__;
|
|
|
|
mConstantColor[0] = 1.f;
|
|
mConstantColor[1] = 1.f;
|
|
mConstantColor[2] = 1.f;
|
|
mConstantColor[3] = 1.f;
|
|
|
|
init(rsc);
|
|
}
|
|
|
|
ProgramFragment::~ProgramFragment()
|
|
{
|
|
if(mShaderID) {
|
|
mRSC->mShaderCache.cleanupFragment(mShaderID);
|
|
}
|
|
}
|
|
|
|
void ProgramFragment::setConstantColor(Context *rsc, float r, float g, float b, float a)
|
|
{
|
|
if(isUserProgram()) {
|
|
LOGE("Attempting to set fixed function emulation color on user program");
|
|
rsc->setError(RS_ERROR_BAD_SHADER, "Cannot set fixed function emulation color on user program");
|
|
return;
|
|
}
|
|
if(mConstants[0].get() == NULL) {
|
|
LOGE("Unable to set fixed function emulation color because allocation is missing");
|
|
rsc->setError(RS_ERROR_BAD_SHADER, "Unable to set fixed function emulation color because allocation is missing");
|
|
return;
|
|
}
|
|
mConstantColor[0] = r;
|
|
mConstantColor[1] = g;
|
|
mConstantColor[2] = b;
|
|
mConstantColor[3] = a;
|
|
memcpy(mConstants[0]->getPtr(), mConstantColor, 4*sizeof(float));
|
|
mDirty = true;
|
|
}
|
|
|
|
void ProgramFragment::setupGL2(Context *rsc, ProgramFragmentState *state, ShaderCache *sc)
|
|
{
|
|
//LOGE("sgl2 frag1 %x", glGetError());
|
|
if ((state->mLast.get() == this) && !mDirty) {
|
|
return;
|
|
}
|
|
state->mLast.set(this);
|
|
|
|
rsc->checkError("ProgramFragment::setupGL2 start");
|
|
|
|
rsc->checkError("ProgramFragment::setupGL2 begin uniforms");
|
|
setupUserConstants(rsc, sc, true);
|
|
|
|
uint32_t numTexturesToBind = mTextureCount;
|
|
uint32_t numTexturesAvailable = rsc->getMaxFragmentTextures();
|
|
if(numTexturesToBind >= numTexturesAvailable) {
|
|
LOGE("Attempting to bind %u textures on shader id %u, but only %u are available",
|
|
mTextureCount, (uint32_t)this, numTexturesAvailable);
|
|
rsc->setError(RS_ERROR_BAD_SHADER, "Cannot bind more textuers than available");
|
|
numTexturesToBind = numTexturesAvailable;
|
|
}
|
|
|
|
for (uint32_t ct=0; ct < numTexturesToBind; ct++) {
|
|
glActiveTexture(GL_TEXTURE0 + ct);
|
|
if (!mTextures[ct].get()) {
|
|
LOGE("No texture bound for shader id %u, texture unit %u", (uint)this, ct);
|
|
rsc->setError(RS_ERROR_BAD_SHADER, "No texture bound");
|
|
continue;
|
|
}
|
|
|
|
mTextures[ct]->uploadCheck(rsc);
|
|
glBindTexture(GL_TEXTURE_2D, mTextures[ct]->getTextureID());
|
|
rsc->checkError("ProgramFragment::setupGL2 tex bind");
|
|
if (mSamplers[ct].get()) {
|
|
mSamplers[ct]->setupGL(rsc, mTextures[ct].get());
|
|
} else {
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
rsc->checkError("ProgramFragment::setupGL2 tex env");
|
|
}
|
|
|
|
glUniform1i(sc->fragUniformSlot(mTextureUniformIndexStart + ct), ct);
|
|
rsc->checkError("ProgramFragment::setupGL2 uniforms");
|
|
}
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
mDirty = false;
|
|
rsc->checkError("ProgramFragment::setupGL2");
|
|
}
|
|
|
|
void ProgramFragment::loadShader(Context *rsc) {
|
|
Program::loadShader(rsc, GL_FRAGMENT_SHADER);
|
|
}
|
|
|
|
void ProgramFragment::createShader()
|
|
{
|
|
if (mUserShader.length() > 1) {
|
|
mShader.append("precision mediump float;\n");
|
|
appendUserConstants();
|
|
char buf[256];
|
|
for (uint32_t ct=0; ct < mTextureCount; ct++) {
|
|
sprintf(buf, "uniform sampler2D UNI_Tex%i;\n", ct);
|
|
mShader.append(buf);
|
|
}
|
|
mShader.append(mUserShader);
|
|
} else {
|
|
LOGE("ProgramFragment::createShader cannot create program, shader code not defined");
|
|
rsAssert(0);
|
|
}
|
|
}
|
|
|
|
void ProgramFragment::init(Context *rsc)
|
|
{
|
|
mUniformCount = 0;
|
|
if (mUserShader.size() > 0) {
|
|
for (uint32_t ct=0; ct < mConstantCount; ct++) {
|
|
initAddUserElement(mConstantTypes[ct]->getElement(), mUniformNames, &mUniformCount, RS_SHADER_UNI);
|
|
}
|
|
}
|
|
mTextureUniformIndexStart = mUniformCount;
|
|
char buf[256];
|
|
for (uint32_t ct=0; ct < mTextureCount; ct++) {
|
|
sprintf(buf, "UNI_Tex%i", ct);
|
|
mUniformNames[mUniformCount++].setTo(buf);
|
|
}
|
|
|
|
createShader();
|
|
}
|
|
|
|
void ProgramFragment::serialize(OStream *stream) const
|
|
{
|
|
|
|
}
|
|
|
|
ProgramFragment *ProgramFragment::createFromStream(Context *rsc, IStream *stream)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
ProgramFragmentState::ProgramFragmentState()
|
|
{
|
|
mPF = NULL;
|
|
}
|
|
|
|
ProgramFragmentState::~ProgramFragmentState()
|
|
{
|
|
delete mPF;
|
|
|
|
}
|
|
|
|
void ProgramFragmentState::init(Context *rsc)
|
|
{
|
|
String8 shaderString(RS_SHADER_INTERNAL);
|
|
shaderString.append("varying lowp vec4 varColor;\n");
|
|
shaderString.append("varying vec2 varTex0;\n");
|
|
shaderString.append("void main() {\n");
|
|
shaderString.append(" lowp vec4 col = UNI_Color;\n");
|
|
shaderString.append(" gl_FragColor = col;\n");
|
|
shaderString.append("}\n");
|
|
|
|
const Element *colorElem = Element::create(rsc, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 4);
|
|
rsc->mStateElement.elementBuilderBegin();
|
|
rsc->mStateElement.elementBuilderAdd(colorElem, "Color", 1);
|
|
const Element *constInput = rsc->mStateElement.elementBuilderCreate(rsc);
|
|
|
|
Type *inputType = new Type(rsc);
|
|
inputType->setElement(constInput);
|
|
inputType->setDimX(1);
|
|
inputType->compute();
|
|
|
|
uint32_t tmp[4];
|
|
tmp[0] = RS_PROGRAM_PARAM_CONSTANT;
|
|
tmp[1] = (uint32_t)inputType;
|
|
tmp[2] = RS_PROGRAM_PARAM_TEXTURE_COUNT;
|
|
tmp[3] = 0;
|
|
|
|
Allocation *constAlloc = new Allocation(rsc, inputType);
|
|
ProgramFragment *pf = new ProgramFragment(rsc, shaderString.string(),
|
|
shaderString.length(), tmp, 4);
|
|
pf->bindAllocation(rsc, constAlloc, 0);
|
|
pf->setConstantColor(rsc, 1.0f, 1.0f, 1.0f, 1.0f);
|
|
|
|
mDefault.set(pf);
|
|
}
|
|
|
|
void ProgramFragmentState::deinit(Context *rsc)
|
|
{
|
|
mDefault.clear();
|
|
mLast.clear();
|
|
}
|
|
|
|
|
|
namespace android {
|
|
namespace renderscript {
|
|
|
|
RsProgramFragment rsi_ProgramFragmentCreate(Context *rsc, const char * shaderText,
|
|
uint32_t shaderLength, const uint32_t * params,
|
|
uint32_t paramLength)
|
|
{
|
|
ProgramFragment *pf = new ProgramFragment(rsc, shaderText, shaderLength, params, paramLength);
|
|
pf->incUserRef();
|
|
//LOGE("rsi_ProgramFragmentCreate %p", pf);
|
|
return pf;
|
|
}
|
|
|
|
}
|
|
}
|
|
|