Moves fbo support in renderscript behind the hal
Change-Id: I26a857586f5f0b47df4c1f4589d2023e70481ec7
diff --git a/libs/rs/driver/rsdCore.cpp b/libs/rs/driver/rsdCore.cpp
index 0a5f2ec..7ef9c30 100644
--- a/libs/rs/driver/rsdCore.cpp
+++ b/libs/rs/driver/rsdCore.cpp
@@ -23,6 +23,7 @@
#include "rsdProgramFragment.h"
#include "rsdMesh.h"
#include "rsdSampler.h"
+#include "rsdFrameBuffer.h"
#include <malloc.h>
#include "rsContext.h"
@@ -98,6 +99,12 @@
rsdSamplerDestroy
},
+ {
+ rsdFrameBufferInit,
+ rsdFrameBufferSetActive,
+ rsdFrameBufferDestroy
+ },
+
};
pthread_key_t rsdgThreadTLSKey = 0;
diff --git a/libs/rs/driver/rsdFrameBuffer.cpp b/libs/rs/driver/rsdFrameBuffer.cpp
new file mode 100644
index 0000000..6a7dac4
--- /dev/null
+++ b/libs/rs/driver/rsdFrameBuffer.cpp
@@ -0,0 +1,162 @@
+/*
+ * 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 "rsdCore.h"
+#include "rsdFrameBuffer.h"
+
+#include "rsContext.h"
+#include "rsFBOCache.h"
+
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+using namespace android;
+using namespace android::renderscript;
+
+struct DrvFrameBuffer {
+ GLuint mFBOId;
+};
+
+void checkError(const Context *rsc) {
+ GLenum status;
+ status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+ switch (status) {
+ case GL_FRAMEBUFFER_COMPLETE:
+ break;
+ case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
+ rsc->setError(RS_ERROR_BAD_VALUE,
+ "Unable to set up render Target: RFRAMEBUFFER_INCOMPLETE_ATTACHMENT");
+ break;
+ case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
+ rsc->setError(RS_ERROR_BAD_VALUE,
+ "Unable to set up render Target: GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT");
+ break;
+ case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS:
+ rsc->setError(RS_ERROR_BAD_VALUE,
+ "Unable to set up render Target: GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS");
+ break;
+ case GL_FRAMEBUFFER_UNSUPPORTED:
+ rsc->setError(RS_ERROR_BAD_VALUE,
+ "Unable to set up render Target: GL_FRAMEBUFFER_UNSUPPORTED");
+ break;
+ }
+}
+
+
+void setDepthAttachment(const Context *rsc, const FBOCache *fb) {
+ if (fb->mHal.state.depthTarget.get() != NULL) {
+ if (fb->mHal.state.depthTarget->getIsTexture()) {
+ uint32_t texID = fb->mHal.state.depthTarget->getTextureID();
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
+ GL_TEXTURE_2D, texID, 0);
+ } else {
+ uint32_t texID = fb->mHal.state.depthTarget->getRenderTargetID();
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
+ GL_RENDERBUFFER, texID);
+ }
+ } else {
+ // Reset last attachment
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
+ GL_RENDERBUFFER, 0);
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
+ GL_TEXTURE_2D, 0, 0);
+ }
+}
+
+void setColorAttachment(const Context *rsc, const FBOCache *fb) {
+ // Now attach color targets
+ for (uint32_t i = 0; i < fb->mHal.state.colorTargetsCount; i ++) {
+ uint32_t texID = 0;
+ if (fb->mHal.state.colorTargets[i].get() != NULL) {
+ if (fb->mHal.state.colorTargets[i]->getIsTexture()) {
+ uint32_t texID = fb->mHal.state.colorTargets[i]->getTextureID();
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i,
+ GL_TEXTURE_2D, texID, 0);
+ } else {
+ uint32_t texID = fb->mHal.state.depthTarget->getRenderTargetID();
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i,
+ GL_RENDERBUFFER, texID);
+ }
+ } else {
+ // Reset last attachment
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i,
+ GL_RENDERBUFFER, 0);
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i,
+ GL_TEXTURE_2D, 0, 0);
+ }
+ }
+}
+
+bool renderToFramebuffer(const FBOCache *fb) {
+ if (fb->mHal.state.depthTarget.get() != NULL) {
+ return false;
+ }
+
+ for (uint32_t i = 0; i < fb->mHal.state.colorTargetsCount; i ++) {
+ if (fb->mHal.state.colorTargets[i].get() != NULL) {
+ return false;
+ }
+ }
+ return true;
+}
+
+
+bool rsdFrameBufferInit(const Context *rsc, const FBOCache *fb) {
+ DrvFrameBuffer *drv = (DrvFrameBuffer *)calloc(1, sizeof(DrvFrameBuffer));
+ if (drv == NULL) {
+ return false;
+ }
+ fb->mHal.drv = drv;
+ drv->mFBOId = 0;
+
+ return true;
+}
+
+void rsdFrameBufferSetActive(const Context *rsc, const FBOCache *fb) {
+ DrvFrameBuffer *drv = (DrvFrameBuffer *)fb->mHal.drv;
+
+ bool framebuffer = renderToFramebuffer(fb);
+ if (!framebuffer) {
+ if(drv->mFBOId == 0) {
+ glGenFramebuffers(1, &drv->mFBOId);
+ }
+ glBindFramebuffer(GL_FRAMEBUFFER, drv->mFBOId);
+
+ setDepthAttachment(rsc, fb);
+ setColorAttachment(rsc, fb);
+
+ glViewport(0, 0, fb->mHal.state.colorTargets[0]->getType()->getDimX(),
+ fb->mHal.state.colorTargets[0]->getType()->getDimY());
+
+ checkError(rsc);
+ } else {
+ glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ glViewport(0, 0, rsc->getWidth(), rsc->getHeight());
+ }
+}
+
+void rsdFrameBufferDestroy(const Context *rsc, const FBOCache *fb) {
+ DrvFrameBuffer *drv = (DrvFrameBuffer *)fb->mHal.drv;
+ if(drv->mFBOId != 0) {
+ glDeleteFramebuffers(1, &drv->mFBOId);
+ }
+
+ free(fb->mHal.drv);
+ fb->mHal.drv = NULL;
+}
+
+
diff --git a/libs/rs/driver/rsdFrameBuffer.h b/libs/rs/driver/rsdFrameBuffer.h
new file mode 100644
index 0000000..dec59fc
--- /dev/null
+++ b/libs/rs/driver/rsdFrameBuffer.h
@@ -0,0 +1,30 @@
+/*
+ * 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.
+ */
+
+#ifndef RSD_FRAME_BUFFER_H
+#define RSD_FRAME_BUFFER_H
+
+#include <rs_hal.h>
+
+bool rsdFrameBufferInit(const android::renderscript::Context *rsc,
+ const android::renderscript::FBOCache *fb);
+void rsdFrameBufferSetActive(const android::renderscript::Context *rsc,
+ const android::renderscript::FBOCache *fb);
+void rsdFrameBufferDestroy(const android::renderscript::Context *rsc,
+ const android::renderscript::FBOCache *fb);
+
+
+#endif // RSD_FRAME_BUFFER_H