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-rw-r--r--libs/rs/driver/rsdShader.cpp126
1 files changed, 91 insertions, 35 deletions
diff --git a/libs/rs/driver/rsdShader.cpp b/libs/rs/driver/rsdShader.cpp
index 1e73b95..6d9fa90 100644
--- a/libs/rs/driver/rsdShader.cpp
+++ b/libs/rs/driver/rsdShader.cpp
@@ -39,34 +39,81 @@ RsdShader::RsdShader(const Program *p, uint32_t type,
initMemberVars();
initAttribAndUniformArray();
init(textureNames, textureNamesCount, textureNamesLength);
- createTexturesString(textureNames, textureNamesCount, textureNamesLength);
+
+ for(size_t i=0; i < textureNamesCount; i++) {
+ mTextureNames.push(String8(textureNames[i], textureNamesLength[i]));
+ }
}
RsdShader::~RsdShader() {
- if (mShaderID) {
- glDeleteShader(mShaderID);
+ for (uint32_t i = 0; i < mStateBasedShaders.size(); i ++) {
+ StateBasedKey *state = mStateBasedShaders.itemAt(i);
+ if (state->mShaderID) {
+ glDeleteShader(state->mShaderID);
+ }
+ delete state;
}
delete[] mAttribNames;
delete[] mUniformNames;
delete[] mUniformArraySizes;
- delete[] mTextureTargets;
}
void RsdShader::initMemberVars() {
mDirty = true;
- mShaderID = 0;
mAttribCount = 0;
mUniformCount = 0;
mAttribNames = NULL;
mUniformNames = NULL;
mUniformArraySizes = NULL;
- mTextureTargets = NULL;
+ mCurrentState = NULL;
mIsValid = false;
}
+RsdShader::StateBasedKey *RsdShader::getExistingState() {
+ RsdShader::StateBasedKey *returnKey = NULL;
+
+ for (uint32_t i = 0; i < mStateBasedShaders.size(); i ++) {
+ returnKey = mStateBasedShaders.itemAt(i);
+
+ for (uint32_t ct = 0; ct < mRSProgram->mHal.state.texturesCount; ct ++) {
+ uint32_t texType = 0;
+ if (mRSProgram->mHal.state.textureTargets[ct] == RS_TEXTURE_2D) {
+ Allocation *a = mRSProgram->mHal.state.textures[ct];
+ if (a && a->mHal.state.surfaceTextureID) {
+ texType = GL_TEXTURE_EXTERNAL_OES;
+ } else {
+ texType = GL_TEXTURE_2D;
+ }
+ } else {
+ texType = GL_TEXTURE_CUBE_MAP;
+ }
+ if (texType != returnKey->mTextureTargets[ct]) {
+ returnKey = NULL;
+ break;
+ }
+ }
+ }
+ return returnKey;
+}
+
+uint32_t RsdShader::getStateBasedShaderID(const Context *rsc) {
+ StateBasedKey *state = getExistingState();
+ if (state != NULL) {
+ mCurrentState = state;
+ return mCurrentState->mShaderID;
+ }
+ // We have not created a shader for this particular state yet
+ state = new StateBasedKey(mTextureCount);
+ mCurrentState = state;
+ mStateBasedShaders.add(state);
+ createShader();
+ loadShader(rsc);
+ return mCurrentState->mShaderID;
+}
+
void RsdShader::init(const char** textureNames, size_t textureNamesCount,
const size_t *textureNamesLength) {
uint32_t attribCount = 0;
@@ -138,70 +185,80 @@ void RsdShader::appendAttributes() {
}
}
-void RsdShader::createTexturesString(const char** textureNames, size_t textureNamesCount,
- const size_t *textureNamesLength) {
- mShaderTextures.setTo("");
+void RsdShader::appendTextures() {
+
+ // TODO: this does not yet handle cases where the texture changes between IO
+ // input and local
+ bool appendUsing = true;
for (uint32_t ct = 0; ct < mRSProgram->mHal.state.texturesCount; ct ++) {
if (mRSProgram->mHal.state.textureTargets[ct] == RS_TEXTURE_2D) {
Allocation *a = mRSProgram->mHal.state.textures[ct];
if (a && a->mHal.state.surfaceTextureID) {
- mShaderTextures.append("uniform samplerExternalOES UNI_");
+ if(appendUsing) {
+ mShader.append("#extension GL_OES_EGL_image_external : require\n");
+ appendUsing = false;
+ }
+ mShader.append("uniform samplerExternalOES UNI_");
+ mCurrentState->mTextureTargets[ct] = GL_TEXTURE_EXTERNAL_OES;
} else {
- mShaderTextures.append("uniform sampler2D UNI_");
+ mShader.append("uniform sampler2D UNI_");
+ mCurrentState->mTextureTargets[ct] = GL_TEXTURE_2D;
}
- mTextureTargets[ct] = GL_TEXTURE_2D;
} else {
- mShaderTextures.append("uniform samplerCube UNI_");
- mTextureTargets[ct] = GL_TEXTURE_CUBE_MAP;
+ mShader.append("uniform samplerCube UNI_");
+ mCurrentState->mTextureTargets[ct] = GL_TEXTURE_CUBE_MAP;
}
- mShaderTextures.append(textureNames[ct], textureNamesLength[ct]);
- mShaderTextures.append(";\n");
+ mShader.append(mTextureNames[ct]);
+ mShader.append(";\n");
}
}
bool RsdShader::createShader() {
-
+ mShader.clear();
if (mType == GL_FRAGMENT_SHADER) {
mShader.append("precision mediump float;\n");
}
appendUserConstants();
appendAttributes();
- mShader.append(mShaderTextures);
-
+ appendTextures();
mShader.append(mUserShader);
return true;
}
bool RsdShader::loadShader(const Context *rsc) {
- mShaderID = glCreateShader(mType);
- rsAssert(mShaderID);
+ mCurrentState->mShaderID = glCreateShader(mType);
+ rsAssert(mCurrentState->mShaderID);
+
+ if(!mShader.length()) {
+ createShader();
+ }
if (rsc->props.mLogShaders) {
- ALOGV("Loading shader type %x, ID %i", mType, mShaderID);
+ ALOGV("Loading shader type %x, ID %i", mType, mCurrentState->mShaderID);
ALOGV("%s", mShader.string());
}
- if (mShaderID) {
+ if (mCurrentState->mShaderID) {
const char * ss = mShader.string();
- RSD_CALL_GL(glShaderSource, mShaderID, 1, &ss, NULL);
- RSD_CALL_GL(glCompileShader, mShaderID);
+ RSD_CALL_GL(glShaderSource, mCurrentState->mShaderID, 1, &ss, NULL);
+ RSD_CALL_GL(glCompileShader, mCurrentState->mShaderID);
GLint compiled = 0;
- RSD_CALL_GL(glGetShaderiv, mShaderID, GL_COMPILE_STATUS, &compiled);
+ RSD_CALL_GL(glGetShaderiv, mCurrentState->mShaderID, GL_COMPILE_STATUS, &compiled);
if (!compiled) {
GLint infoLen = 0;
- RSD_CALL_GL(glGetShaderiv, mShaderID, GL_INFO_LOG_LENGTH, &infoLen);
+ RSD_CALL_GL(glGetShaderiv, mCurrentState->mShaderID, GL_INFO_LOG_LENGTH, &infoLen);
if (infoLen) {
char* buf = (char*) malloc(infoLen);
if (buf) {
- RSD_CALL_GL(glGetShaderInfoLog, mShaderID, infoLen, NULL, buf);
+ RSD_CALL_GL(glGetShaderInfoLog, mCurrentState->mShaderID, infoLen, NULL, buf);
rsc->setError(RS_ERROR_FATAL_PROGRAM_LINK, buf);
free(buf);
}
- RSD_CALL_GL(glDeleteShader, mShaderID);
- mShaderID = 0;
+ RSD_CALL_GL(glDeleteShader, mCurrentState->mShaderID);
+ mCurrentState->mShaderID = 0;
return false;
}
}
@@ -418,12 +475,14 @@ void RsdShader::setupTextures(const Context *rsc, RsdShaderCache *sc) {
if (!mRSProgram->mHal.state.textures[ct]) {
// if nothing is bound, reset to default GL texture
- RSD_CALL_GL(glBindTexture, mTextureTargets[ct], 0);
+ RSD_CALL_GL(glBindTexture, mCurrentState->mTextureTargets[ct], 0);
continue;
}
DrvAllocation *drvTex = (DrvAllocation *)mRSProgram->mHal.state.textures[ct]->mHal.drv;
- if (drvTex->glTarget != GL_TEXTURE_2D && drvTex->glTarget != GL_TEXTURE_CUBE_MAP) {
+ if (drvTex->glTarget != GL_TEXTURE_2D &&
+ drvTex->glTarget != GL_TEXTURE_CUBE_MAP &&
+ drvTex->glTarget != GL_TEXTURE_EXTERNAL_OES) {
ALOGE("Attempting to bind unknown texture to shader id %u, texture unit %u",
(uint)this, ct);
rsc->setError(RS_ERROR_BAD_SHADER, "Non-texture allocation bound to a shader");
@@ -523,9 +582,6 @@ void RsdShader::initAttribAndUniformArray() {
}
mTextureCount = mRSProgram->mHal.state.texturesCount;
- if (mTextureCount) {
- mTextureTargets = new uint32_t[mTextureCount];
- }
}
void RsdShader::initAddUserElement(const Element *e, String8 *names, uint32_t *arrayLengths,
generated by cgit v1.1 at 2025-11-11 19:40:55 +0000