eb911c2b0e
bug:19641517 Also switch Glop VertexAttribFlags to use int for group of flags. Change-Id: Ib7b1934197a62206a55baa6ab484ac59f5bec816
154 lines
4.1 KiB
C++
154 lines
4.1 KiB
C++
/*
|
|
* 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 ANDROID_HWUI_GLOP_H
|
|
#define ANDROID_HWUI_GLOP_H
|
|
|
|
#include "FloatColor.h"
|
|
#include "Matrix.h"
|
|
#include "Program.h"
|
|
#include "Rect.h"
|
|
#include "SkiaShader.h"
|
|
#include "utils/Macros.h"
|
|
|
|
#include <GLES2/gl2.h>
|
|
#include <GLES2/gl2ext.h>
|
|
#include <SkXfermode.h>
|
|
|
|
namespace android {
|
|
namespace uirenderer {
|
|
|
|
class Program;
|
|
class RoundRectClipState;
|
|
class Texture;
|
|
|
|
/*
|
|
* Enumerates optional vertex attributes
|
|
*
|
|
* Position is always enabled by MeshState, these other attributes
|
|
* are enabled/disabled dynamically based on mesh content.
|
|
*/
|
|
enum class VertexAttribFlags {
|
|
kNone = 0,
|
|
kTextureCoord = 1 << 0,
|
|
kColor = 1 << 1,
|
|
kAlpha = 1 << 2,
|
|
};
|
|
MAKE_FLAGS_ENUM(VertexAttribFlags)
|
|
|
|
/**
|
|
* Structure containing all data required to issue an OpenGL draw
|
|
*
|
|
* Includes all of the mesh, fill, and GL state required to perform
|
|
* the operation. Pieces of data are either directly copied into the
|
|
* structure, or stored as a pointer or GL object reference to data
|
|
* managed.
|
|
*
|
|
* Eventually, a Glop should be able to be drawn multiple times from
|
|
* a single construction, up until GL context destruction. Currently,
|
|
* vertex/index/Texture/RoundRectClipState pointers prevent this from
|
|
* being safe.
|
|
*/
|
|
// TODO: PREVENT_COPY_AND_ASSIGN(...) or similar
|
|
struct Glop {
|
|
struct Mesh {
|
|
GLuint primitiveMode; // GL_TRIANGLES and GL_TRIANGLE_STRIP supported
|
|
|
|
// buffer object and void* are mutually exclusive.
|
|
// Only GL_UNSIGNED_SHORT supported.
|
|
struct Indices {
|
|
GLuint bufferObject;
|
|
const void* indices;
|
|
} indices;
|
|
|
|
// buffer object and void*s are mutually exclusive.
|
|
// TODO: enforce mutual exclusion with restricted setters and/or unions
|
|
struct Vertices {
|
|
GLuint bufferObject;
|
|
int attribFlags;
|
|
const void* position;
|
|
const void* texCoord;
|
|
const void* color;
|
|
GLsizei stride;
|
|
} vertices;
|
|
|
|
int elementCount;
|
|
TextureVertex mappedVertices[4];
|
|
} mesh;
|
|
|
|
struct Fill {
|
|
Program* program;
|
|
|
|
struct TextureData {
|
|
Texture* texture;
|
|
GLenum target;
|
|
GLenum filter;
|
|
GLenum clamp;
|
|
Matrix4* textureTransform;
|
|
} texture;
|
|
|
|
bool colorEnabled;
|
|
FloatColor color;
|
|
|
|
ProgramDescription::ColorFilterMode filterMode;
|
|
union Filter {
|
|
struct Matrix {
|
|
float matrix[16];
|
|
float vector[4];
|
|
} matrix;
|
|
FloatColor color;
|
|
} filter;
|
|
|
|
SkiaShaderData skiaShaderData;
|
|
} fill;
|
|
|
|
struct Transform {
|
|
Matrix4 ortho; // TODO: out of op, since this is static per FBO
|
|
Matrix4 modelView;
|
|
Matrix4 canvas;
|
|
bool fudgingOffset;
|
|
} transform;
|
|
|
|
const RoundRectClipState* roundRectClipState;
|
|
|
|
/**
|
|
* Blending to be used by this draw - both GL_NONE if blending is disabled.
|
|
*
|
|
* Defined by fill step, but can be force-enabled by presence of kAlpha_Attrib
|
|
*/
|
|
struct Blend {
|
|
GLenum src;
|
|
GLenum dst;
|
|
} blend;
|
|
|
|
/**
|
|
* Bounds of the drawing command in layer space. Only mapped into layer
|
|
* space once GlopBuilder::build() is called.
|
|
*/
|
|
Rect bounds;
|
|
|
|
/**
|
|
* Additional render state to enumerate:
|
|
* - scissor + (bits for whether each of LTRB needed?)
|
|
* - stencil mode (draw into, mask, count, etc)
|
|
*/
|
|
};
|
|
|
|
} /* namespace uirenderer */
|
|
} /* namespace android */
|
|
|
|
#endif // ANDROID_HWUI_GLOP_H
|