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Merge pull request #140 from g4z3r/master 

small GL optimizations
This commit is contained in:
Vadim Lopatin 2016-01-08 15:21:53 +03:00
parent 82ab5357a3 4d16c29506
commit 264f0cd808
4 changed files with 112 additions and 121 deletions
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2
src/dlangui/graphics/gldrawbuf.d
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@ -71,12 +71,14 @@ class GLDrawBuf : DrawBuf, GLConfigCallback {
_scene.reset();
}
_scene = new Scene(this);
glSupport.prepareShaders();
}
/// reserved for hardware-accelerated drawing - ends drawing batch
override void afterDrawing() {
glSupport.setOrthoProjection(Rect(0, 0, _dx, _dy), Rect(0, 0, _dx, _dy));
_scene.draw();
GLProgram.unbind();
glSupport.flushGL();
destroy(_scene);
_scene = null;

172
src/dlangui/graphics/glsupport.d
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@ -220,14 +220,19 @@ class GLProgram {
return true;
}
static GLuint currentProgram;
/// binds program to current context
void bind() {
if(program != currentProgram) {
checkgl!glUseProgram(program);
currentProgram = program;
}
}
/// unbinds program from current context
void unbind() {
static void unbind() {
checkgl!glUseProgram(0);
currentProgram = 0;
}
/// get uniform location from program, returns -1 if location is not found
@ -274,18 +279,6 @@ class SolidFillProgram : GLProgram {
};
}
void beforeExecute() {
glEnable(GL_BLEND);
checkgl!glDisable(GL_CULL_FACE);
checkgl!glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
bind();
checkgl!glUniformMatrix4fv(matrixLocation, 1, false, glSupport.projectionMatrix.m.ptr);
}
void afterExecute() {
unbind();
}
protected GLint matrixLocation;
protected GLint vertexLocation;
protected GLint colAttrLocation;
@ -296,28 +289,49 @@ class SolidFillProgram : GLProgram {
return matrixLocation >= 0 && vertexLocation >= 0 && colAttrLocation >= 0;
}
VAO vao;
VBO vbo;
bool needToCreateVAO = true;
void createVAO(float[] vertices, float[] colors) {
if(vao)
destroy(vao);
vao = new VAO;
if(vbo)
destroy(vbo);
vbo = new VBO;
glVertexAttribPointer(vertexLocation, 3, GL_FLOAT, GL_FALSE, 0, cast(void*) 0);
glVertexAttribPointer(colAttrLocation, 4, GL_FLOAT, GL_FALSE, 0, cast(void*) (vertices.length * float.sizeof));
glEnableVertexAttribArray(vertexLocation);
glEnableVertexAttribArray(colAttrLocation);
needToCreateVAO = false;
}
void beforeExecute() {
glEnable(GL_BLEND);
checkgl!glDisable(GL_CULL_FACE);
checkgl!glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
bind();
checkgl!glUniformMatrix4fv(matrixLocation, 1, false, glSupport.projectionMatrix.m.ptr);
}
bool execute(float[] vertices, float[] colors) {
if(!check())
return false;
beforeExecute();
VAO vao = new VAO();
if(needToCreateVAO)
createVAO(vertices, colors);
VBO vbo = new VBO();
vbo.bind();
vbo.fill([vertices, colors]);
glVertexAttribPointer(vertexLocation, 3, GL_FLOAT, GL_FALSE, 0, cast(void*) 0);
glVertexAttribPointer(colAttrLocation, 4, GL_FLOAT, GL_FALSE, 0, cast(void*) (vertices.length * vertices[0].sizeof));
glEnableVertexAttribArray(vertexLocation);
glEnableVertexAttribArray(colAttrLocation);
checkgl!glDrawArrays(GL_TRIANGLES, 0, cast(int)vertices.length/3);
afterExecute();
destroy(vbo);
destroy(vao);
vao.bind();
checkgl!glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
vao.unbind();
return true;
}
}
@ -328,23 +342,15 @@ class LineProgram : SolidFillProgram {
return false;
beforeExecute();
VAO vao = new VAO();
if(needToCreateVAO)
createVAO(vertices, colors);
VBO vbo = new VBO();
vbo.bind();
vbo.fill([vertices, colors]);
glVertexAttribPointer(vertexLocation, 3, GL_FLOAT, GL_FALSE, 0, cast(void*) 0);
glVertexAttribPointer(colAttrLocation, 4, GL_FLOAT, GL_FALSE, 0, cast(void*) (vertices.length * vertices[0].sizeof));
glEnableVertexAttribArray(vertexLocation);
glEnableVertexAttribArray(colAttrLocation);
checkgl!glDrawArrays(GL_LINES, 0, cast(int)vertices.length/3);
afterExecute();
destroy(vbo);
destroy(vao);
vao.bind();
checkgl!glDrawArrays(GL_LINES, 0, 2);
vao.unbind();
return true;
}
}
@ -387,6 +393,26 @@ class TextureProgram : SolidFillProgram {
return res && texCoordLocation >= 0;
}
void createVAO(float[] vertices, float[] colors, float[] texcoords) {
if(vao)
destroy(vao);
vao = new VAO;
if(vbo)
destroy(vbo);
vbo = new VBO;
glVertexAttribPointer(vertexLocation, 3, GL_FLOAT, GL_FALSE, 0, cast(void*) 0);
glVertexAttribPointer(colAttrLocation, 4, GL_FLOAT, GL_FALSE, 0, cast(void*) (vertices.length * float.sizeof));
glVertexAttribPointer(texCoordLocation, 2, GL_FLOAT, GL_FALSE, 0, cast(void*) ((vertices.length + colors.length) * float.sizeof));
glEnableVertexAttribArray(vertexLocation);
glEnableVertexAttribArray(colAttrLocation);
glEnableVertexAttribArray(texCoordLocation);
needToCreateVAO = false;
}
bool execute(float[] vertices, float[] colors, float[] texcoords, Tex2D texture, bool linear) {
if(!check())
return false;
@ -395,29 +421,15 @@ class TextureProgram : SolidFillProgram {
texture.setup();
texture.setSamplerParams(linear);
VAO vao = new VAO();
if(needToCreateVAO)
createVAO(vertices, colors, texcoords);
VBO vbo = new VBO();
vbo.bind();
vbo.fill([vertices, colors, texcoords]);
glVertexAttribPointer(vertexLocation, 3, GL_FLOAT, GL_FALSE, 0, cast(void*) 0);
glVertexAttribPointer(colAttrLocation, 4, GL_FLOAT, GL_FALSE, 0, cast(void*) (vertices.length * vertices[0].sizeof));
glVertexAttribPointer(texCoordLocation, 2, GL_FLOAT, GL_FALSE, 0, cast(void*) (vertices.length * vertices[0].sizeof + colors.length * colors[0].sizeof));
glEnableVertexAttribArray(vertexLocation);
glEnableVertexAttribArray(colAttrLocation);
glEnableVertexAttribArray(texCoordLocation);
checkgl!glDrawArrays(GL_TRIANGLES, 0, cast(int)vertices.length/3);
glDisableVertexAttribArray(vertexLocation);
glDisableVertexAttribArray(colAttrLocation);
glDisableVertexAttribArray(texCoordLocation);
afterExecute();
destroy(vbo);
destroy(vao);
vao.bind();
checkgl!glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
vao.unbind();
texture.unbind();
return true;
@ -587,6 +599,12 @@ class GLSupport {
return true;
}
void prepareShaders() {
_solidFillProgram.needToCreateVAO = true;
_lineProgram.needToCreateVAO = true;
_textureProgram.needToCreateVAO = true;
}
void setRotation(int x, int y, int rotationAngle) {
/*
this->rotationAngle = rotationAngle;
@ -634,13 +652,11 @@ class GLSupport {
static immutable float Z_2D = -2.0f;
void drawSolidFillRect(Rect rc, uint color1, uint color2, uint color3, uint color4) {
Color[6] colors;
Color[4] colors;
FillColor(color1, colors[0..1]);
FillColor(color4, colors[1..2]);
FillColor(color2, colors[1..2]);
FillColor(color3, colors[2..3]);
FillColor(color1, colors[3..4]);
FillColor(color3, colors[4..5]);
FillColor(color2, colors[5..6]);
FillColor(color4, colors[3..4]);
float x0 = cast(float)(rc.left);
float y0 = cast(float)(bufferDy-rc.top);
float x1 = cast(float)(rc.right);
@ -652,13 +668,11 @@ class GLSupport {
y1 = cast(float)(rc.bottom);
}
float[3 * 6] vertices = [
float[3 * 4] vertices = [
x0,y0,Z_2D,
x0,y1,Z_2D,
x1,y1,Z_2D,
x0,y0,Z_2D,
x1,y1,Z_2D,
x1,y0,Z_2D];
x1,y0,Z_2D,
x1,y1,Z_2D];
if (_legacyMode) {
glColor4f(1,1,1,1);
@ -671,7 +685,7 @@ class GLSupport {
checkgl!glVertexPointer(3, GL_FLOAT, 0, cast(void*)vertices.ptr);
checkgl!glColorPointer(4, GL_FLOAT, 0, cast(void*)colors);
checkgl!glDrawArrays(GL_TRIANGLES, 0, 6);
checkgl!glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
@ -690,7 +704,7 @@ class GLSupport {
}
void drawColorAndTextureRect(Tex2D texture, int tdx, int tdy, int srcx, int srcy, int srcdx, int srcdy, int xx, int yy, int dx, int dy, uint color, bool linear) {
Color[6] colors;
Color[4] colors;
FillColor(color, colors);
float dstx0 = cast(float)xx;
float dsty0 = cast(float)(bufferDy - (yy));
@ -707,14 +721,12 @@ class GLSupport {
float srcy0 = srcy / cast(float)tdy;
float srcx1 = (srcx + srcdx) / cast(float)tdx;
float srcy1 = (srcy + srcdy) / cast(float)tdy;
float[3 * 6] vertices = [
float[3 * 4] vertices = [
dstx0,dsty0,Z_2D,
dstx0,dsty1,Z_2D,
dstx1,dsty1,Z_2D,
dstx0,dsty0,Z_2D,
dstx1,dsty1,Z_2D,
dstx1,dsty0,Z_2D];
float[2 * 6] texcoords = [srcx0,srcy0, srcx0,srcy1, srcx1,srcy1, srcx0,srcy0, srcx1,srcy1, srcx1,srcy0];
dstx1,dsty0,Z_2D,
dstx1,dsty1,Z_2D];
float[2 * 4] texcoords = [srcx0,srcy0, srcx0,srcy1, srcx1,srcy0, srcx1,srcy1];
if (_legacyMode) {
glDisable(GL_CULL_FACE);
@ -735,7 +747,7 @@ class GLSupport {
checkgl!glTexCoordPointer(2, GL_FLOAT, 0, cast(void*)texcoords.ptr);
checkgl!glColorPointer(4, GL_FLOAT, 0, cast(void*)colors.ptr);
checkgl!glDrawArrays(GL_TRIANGLES, 0, 6);
checkgl!glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);

39
src/dlangui/platforms/sdl/sdlapp.d
View File

@ -114,16 +114,16 @@ class SDLWindow : Window {
}
static if (ENABLE_OPENGL) {
static if (ENABLE_OPENGL)
{
static private bool _gl3Reloaded = false;
private SDL_GLContext _context;
}
static if (ENABLE_OPENGL) {
protected bool createContext(int versionMajor, int versionMinor) {
Log.i("Trying to create OpenGL ", versionMajor, ".", versionMinor, " context");
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, versionMajor);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, versionMinor);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
_context = SDL_GL_CreateContext(_win); // Create the actual context and make it current
if (!_context)
Log.e("SDL_GL_CreateContext failed: ", fromStringz(SDL_GetError()));
@ -176,9 +176,7 @@ class SDLWindow : Window {
static if (ENABLE_OPENGL) {
if (_enableOpengl) {
Log.i("Trying to create OpenGL 3.2 context");
createContext(3, 2);
//_context = SDL_GL_CreateContext(_win); // Create the actual context and make it current
if (!_context) {
Log.e("SDL_GL_CreateContext failed: ", fromStringz(SDL_GetError()));
Log.w("trying other versions of OpenGL");
@ -887,23 +885,16 @@ private __gshared bool _enableOpengl;
class SDLPlatform : Platform {
this() {
}
private SDLWindow[uint] _windowMap;
~this() {
foreach(ref SDLWindow wnd; _windowMap) {
destroy(wnd);
wnd = null;
}
destroy(_windowMap);
disconnect();
}
void disconnect() {
/* Cleanup */
}
bool connect() {
return true;
}
SDLWindow getWindow(uint id) {
@ -944,7 +935,6 @@ class SDLPlatform : Platform {
event.user.windowID = windowId;
event.user.code = code;
SDL_PushEvent(&event);
}
override Window createWindow(dstring windowCaption, Window parent, uint flags = WindowFlag.Resizable, uint width = 0, uint height = 0) {
@ -982,8 +972,6 @@ class SDLPlatform : Platform {
bool skipNextQuit = false;
while(!quit) {
//redrawWindows();
//if (SDL_PollEvent(&event)) {
if (SDL_WaitEvent(&event)) {
//Log.d("Event.type = ", event.type);
@ -1150,9 +1138,7 @@ class SDLPlatform : Platform {
}
_windowToClose = null;
}
//
if (_windowMap.length == 0) {
//quit = true;
SDL_Quit();
quit = true;
}
@ -1179,8 +1165,6 @@ class SDLPlatform : Platform {
string s = toUTF8(text);
SDL_SetClipboardText(s.toStringz);
}
protected SDLWindow[uint] _windowMap;
}
version (Windows) {
@ -1321,13 +1305,9 @@ int sdlmain(string[] args) {
USER_EVENT_ID = SDL_RegisterEvents(1);
TIMER_EVENT_ID = SDL_RegisterEvents(1);
int request = SDL_GetDesktopDisplayMode(0,&displayMode);
int request = SDL_GetDesktopDisplayMode(0, &displayMode);
static if (ENABLE_OPENGL) {
// we want OpenGL 3.2
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION,3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION,2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
// Set OpenGL attributes
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
@ -1335,10 +1315,7 @@ int sdlmain(string[] args) {
SDL_GL_SetAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1);
}
SDLPlatform sdl = new SDLPlatform();
if (!sdl.connect()) {
return 1;
}
auto sdl = new SDLPlatform;
Platform.setInstance(sdl);

2
src/dlangui/platforms/x11/x11app.d
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@ -966,7 +966,7 @@ class X11Platform : Platform {
this() {
}
X11Window[XWindow] _windowMap;
private X11Window[XWindow] _windowMap;
/**
* create window