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Diffstat (limited to 'libs/hwui/renderstate/MeshState.h')
-rw-r--r-- | libs/hwui/renderstate/MeshState.h | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/libs/hwui/renderstate/MeshState.h b/libs/hwui/renderstate/MeshState.h deleted file mode 100644 index 95faf1ebfb02..000000000000 --- a/libs/hwui/renderstate/MeshState.h +++ /dev/null @@ -1,133 +0,0 @@ -/* - * Copyright (C) 2015 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 RENDERSTATE_MESHSTATE_H -#define RENDERSTATE_MESHSTATE_H - -#include "Vertex.h" - -#include <GLES2/gl2.h> -#include <GLES2/gl2ext.h> -#include <memory> - -namespace android { -namespace uirenderer { - -class Program; - -// Maximum number of quads that pre-allocated meshes can draw -const uint32_t kMaxNumberOfQuads = 2048; - -// This array is never used directly but used as a memcpy source in the -// OpenGLRenderer constructor -const TextureVertex kUnitQuadVertices[] = { - {0, 0, 0, 0}, {1, 0, 1, 0}, {0, 1, 0, 1}, {1, 1, 1, 1}, -}; - -const GLsizei kVertexStride = sizeof(Vertex); -const GLsizei kAlphaVertexStride = sizeof(AlphaVertex); -const GLsizei kTextureVertexStride = sizeof(TextureVertex); -const GLsizei kColorTextureVertexStride = sizeof(ColorTextureVertex); - -const GLsizei kMeshTextureOffset = 2 * sizeof(float); -const GLsizei kVertexAlphaOffset = 2 * sizeof(float); -const GLsizei kVertexAAWidthOffset = 2 * sizeof(float); -const GLsizei kVertexAALengthOffset = 3 * sizeof(float); -const GLsizei kUnitQuadCount = 4; - -class MeshState { -private: - friend class RenderState; - -public: - ~MeshState(); - void dump(); - /////////////////////////////////////////////////////////////////////////////// - // Buffer objects - /////////////////////////////////////////////////////////////////////////////// - - /** - * Binds the specified VBO if needed. If buffer == 0, binds default simple textured quad. - */ - void bindMeshBuffer(GLuint buffer); - - /** - * Unbinds the current VBO if active. - */ - void unbindMeshBuffer(); - - void genOrUpdateMeshBuffer(GLuint* buffer, GLsizeiptr size, const void* data, GLenum usage); - void updateMeshBufferSubData(GLuint buffer, GLintptr offset, GLsizeiptr size, const void* data); - void deleteMeshBuffer(GLuint); - - /////////////////////////////////////////////////////////////////////////////// - // Vertices - /////////////////////////////////////////////////////////////////////////////// - /** - * Binds an attrib to the specified float vertex pointer. - * Assumes a stride of gTextureVertexStride and a size of 2. - */ - void bindPositionVertexPointer(const GLvoid* vertices, GLsizei stride = kTextureVertexStride); - - /** - * Binds an attrib to the specified float vertex pointer. - * Assumes a stride of gTextureVertexStride and a size of 2. - */ - void bindTexCoordsVertexPointer(const GLvoid* vertices, GLsizei stride = kTextureVertexStride); - - /** - * Resets the vertex pointers. - */ - void resetVertexPointers(); - - void enableTexCoordsVertexArray(); - void disableTexCoordsVertexArray(); - - /////////////////////////////////////////////////////////////////////////////// - // Indices - /////////////////////////////////////////////////////////////////////////////// - void bindIndicesBuffer(const GLuint buffer); - void unbindIndicesBuffer(); - - /////////////////////////////////////////////////////////////////////////////// - // Getters - for use in Glop building - /////////////////////////////////////////////////////////////////////////////// - GLuint getUnitQuadVBO() { return mUnitQuadBuffer; } - GLuint getQuadListIBO() { return mQuadListIndices; } - -private: - MeshState(); - - GLuint mUnitQuadBuffer; - - GLuint mCurrentBuffer; - GLuint mCurrentIndicesBuffer; - GLuint mCurrentPixelBuffer; - - const void* mCurrentPositionPointer; - GLsizei mCurrentPositionStride; - const void* mCurrentTexCoordsPointer; - GLsizei mCurrentTexCoordsStride; - - bool mTexCoordsArrayEnabled; - - // Global index buffer - GLuint mQuadListIndices; -}; - -} /* namespace uirenderer */ -} /* namespace android */ - -#endif // RENDERSTATE_MESHSTATE_H |