private void SetScissorRect(int x0, int y0, int x1, int y1)
{
var scissor = new Rectangle(controlRect.X + x0, controlRect.Y + y0, x1 - x0, y1 - y0);
scissor = FlipRectangleY(scissor);
GLES11.GlScissor(scissor.Left, scissor.Top, scissor.Width, scissor.Height);
}
public void UpdateBitmap(GLBitmap bmp, int x, int y, int width, int height, int[] data)
{
var buffer = ByteBuffer.AllocateDirect(width * height * sizeof(int)).Order(ByteOrder.NativeOrder()).AsIntBuffer();
buffer.Put(data);
buffer.Position(0);
GLES11.GlBindTexture(GLES11.GlTexture2d, bmp.Id);
GLES11.GlTexSubImage2D(GLES11.GlTexture2d, 0, x, y, width, height, GLES11.GlRgba, GLES11.GlUnsignedByte, buffer);
}
public override void Dispose()
{
if (texture != 0)
{
GLES11.GlDeleteTextures(1, new[] { texture }, 0);
}
if (fbo != 0)
{
GLES11Ext.GlDeleteFramebuffersOES(1, new[] { fbo }, 0);
}
base.Dispose();
}
protected override int CreateTexture(Bitmap bmp, bool filter)
{
var id = new int[1];
GLES11.GlGenTextures(1, id, 0);
GLES11.GlBindTexture(GLES11.GlTexture2d, id[0]);
GLUtils.TexImage2D(GLES11.GlTexture2d, 0, bmp, 0);
GLES11.GlTexParameterx(GLES11.GlTexture2d, GLES11.GlTextureMinFilter, filter ? GLES11.GlLinear : GLES11.GlNearest);
GLES11.GlTexParameterx(GLES11.GlTexture2d, GLES11.GlTextureMagFilter, filter ? GLES11.GlLinear : GLES11.GlNearest);
GLES11.GlTexParameterx(GLES11.GlTexture2d, GLES11.GlTextureWrapS, GLES11.GlClampToEdge);
GLES11.GlTexParameterx(GLES11.GlTexture2d, GLES11.GlTextureWrapT, GLES11.GlClampToEdge);
bmp.Recycle();
return(id[0]);
}
public GLBitmapAtlas CreateBitmapAtlasFromResources(string[] names)
{
var bitmaps = new Bitmap[names.Length];
var elementSizeX = 0;
var elementSizeY = 0;
for (int i = 0; i < names.Length; i++)
{
var bmp = LoadBitmapFromResourceWithScaling(names[i]);
elementSizeX = Math.Max(elementSizeX, bmp.Width);
elementSizeY = Math.Max(elementSizeY, bmp.Height);
bitmaps[i] = bmp;
}
var elementsPerRow = MaxAtlasResolution / elementSizeX;
var numRows = Utils.DivideAndRoundUp(names.Length, elementsPerRow);
var atlasSizeX = elementsPerRow * elementSizeX;
var atlasSizeY = numRows * elementSizeY;
var textureId = CreateEmptyTexture(atlasSizeX, atlasSizeY, true);
var elementRects = new Rectangle[names.Length];
GLES11.GlBindTexture(GLES11.GlTexture2d, textureId);
for (int i = 0; i < names.Length; i++)
{
var bmp = bitmaps[i];
var row = i / elementsPerRow;
var col = i % elementsPerRow;
elementRects[i] = new Rectangle(
col * elementSizeX,
row * elementSizeY,
bmp.Width,
bmp.Height);
GLUtils.TexSubImage2D(GLES11.GlTexture2d, 0, elementRects[i].X, elementRects[i].Y, bmp);
bmp.Recycle();
}
return(new GLBitmapAtlas(textureId, atlasSizeX, atlasSizeY, elementRects, true, true));
}
public override void BeginDrawControl(Rectangle unflippedControlRect, int windowSizeY)
{
base.BeginDrawControl(unflippedControlRect, windowSizeY);
GLES11.GlHint(GLES11.GlLineSmoothHint, GLES11.GlNicest);
GLES11.GlViewport(controlRectFlip.Left, controlRectFlip.Top, controlRectFlip.Width, controlRectFlip.Height);
GLES11.GlMatrixMode(GLES11.GlProjection);
GLES11.GlLoadIdentity();
GLES11.GlOrthof(0, unflippedControlRect.Width, unflippedControlRect.Height, 0, -1, 1);
GLES11.GlDisable((int)2884); // Cull face?
GLES11.GlMatrixMode(GLES11.GlModelview);
GLES11.GlLoadIdentity();
GLES11.GlBlendFunc(GLES11.GlSrcAlpha, GLES11.GlOneMinusSrcAlpha);
GLES11.GlEnable(GLES11.GlBlend);
GLES11.GlDisable(GLES11.GlDepthTest);
GLES11.GlDisable(GLES11.GlStencilTest);
GLES11.GlEnable(GLES11.GlScissorTest);
GLES11.GlScissor(controlRectFlip.Left, controlRectFlip.Top, controlRectFlip.Width, controlRectFlip.Height);
GLES11.GlEnableClientState(GLES11.GlVertexArray);
}
protected override int CreateEmptyTexture(int width, int height, bool filter = false)
{
var id = new int[1];
GLES11.GlGenTextures(1, id, 0);
GLES11.GlBindTexture(GLES11.GlTexture2d, id[0]);
GLES11.GlTexParameterx(GLES11.GlTexture2d, GLES11.GlTextureMinFilter, filter ? GLES11.GlLinear : GLES11.GlNearest);
GLES11.GlTexParameterx(GLES11.GlTexture2d, GLES11.GlTextureMagFilter, filter ? GLES11.GlLinear : GLES11.GlNearest);
GLES11.GlTexParameterx(GLES11.GlTexture2d, GLES11.GlTextureWrapS, GLES11.GlClampToEdge);
GLES11.GlTexParameterx(GLES11.GlTexture2d, GLES11.GlTextureWrapT, GLES11.GlClampToEdge);
var buffer = ByteBuffer.AllocateDirect(width * height * sizeof(int)).Order(ByteOrder.NativeOrder()).AsIntBuffer();
buffer.Put(new int[width * height]);
buffer.Position(0);
GLES11.GlTexImage2D(GLES11.GlTexture2d, 0, GLES11.GlRgba, width, height, 0, GLES11.GlRgba, GLES11.GlUnsignedByte, buffer);
return(id[0]);
}
public static GLOffscreenGraphics Create(int imageSizeX, int imageSizeY, bool allowReadback)
{
#if !DEBUG
try
#endif
{
var extentions = GLES11.GlGetString(GLES11.GlExtensions);
if (extentions.ToUpper().Contains("GL_OES_FRAMEBUFFER_OBJECT"))
{
return(new GLOffscreenGraphics(imageSizeX, imageSizeY, allowReadback));
}
}
#if !DEBUG
catch
{
}
#endif
return(null);
}
public GLGraphics(float mainScale, float baseScale) : base(mainScale, baseScale)
{
dashedBitmap = CreateBitmapFromResource("Dash");
GLES11.GlTexParameterx(GLES11.GlTexture2d, GLES11.GlTextureWrapS, GLES11.GlRepeat);
GLES11.GlTexParameterx(GLES11.GlTexture2d, GLES11.GlTextureWrapT, GLES11.GlRepeat);
for (int i = 0; i < NumBufferSizes; i++)
{
freeVtxBuffers[i] = new List <FloatBuffer>();
freeColBuffers[i] = new List <IntBuffer>();
freeIdxBuffers[i] = new List <ShortBuffer>();
usedVtxBuffers[i] = new List <FloatBuffer>();
usedColBuffers[i] = new List <IntBuffer>();
usedIdxBuffers[i] = new List <ShortBuffer>();
}
var smoothLineWidths = new int[2];
GLES11.GlGetIntegerv(GLES11.GlSmoothLineWidthRange, smoothLineWidths, 0);
maxSmoothLineWidth = smoothLineWidths[1];
}
public override unsafe void DrawCommandList(GLCommandList list, Rectangle scissor)
{
if (list == null)
{
return;
}
if (list.HasAnything)
{
if (!scissor.IsEmpty)
{
SetScissorRect(scissor.Left, scissor.Top, scissor.Right, scissor.Bottom);
}
if (list.HasAnyMeshes)
{
var drawData = list.GetMeshDrawData();
GLES11.GlEnableClientState(GLES11.GlColorArray);
foreach (var draw in drawData)
{
var vb = CopyGetVtxBuffer(draw.vtxArray, draw.vtxArraySize);
var cb = CopyGetColBuffer(draw.colArray, draw.colArraySize);
var ib = CopyGetIdxBuffer(draw.idxArray, draw.idxArraySize);
//if (draw.smooth) GLES11.GlEnable(GLES11.GlPolygonSmooth);
GLES11.GlColorPointer(4, GLES11.GlUnsignedByte, 0, cb);
GLES11.GlVertexPointer(2, GLES11.GlFloat, 0, vb);
GLES11.GlDrawElements(GLES11.GlTriangles, draw.numIndices, GLES11.GlUnsignedShort, ib);
//if (draw.smooth) GLES11.GlDisable(GLES11.GlPolygonSmooth);
}
GLES11.GlDisableClientState(GLES11.GlColorArray);
}
if (list.HasAnyLines)
{
var drawData = list.GetLineDrawData();
GLES11.GlPushMatrix();
GLES11.GlTranslatef(0.5f, 0.5f, 0.0f);
GLES11.GlEnable(GLES11.GlTexture2d);
GLES11.GlBindTexture(GLES11.GlTexture2d, dashedBitmap.Id);
GLES11.GlEnableClientState(GLES11.GlColorArray);
GLES11.GlEnableClientState(GLES11.GlTextureCoordArray);
foreach (var draw in drawData)
{
var vb = CopyGetVtxBuffer(draw.vtxArray, draw.vtxArraySize);
var cb = CopyGetColBuffer(draw.colArray, draw.colArraySize);
var tb = CopyGetVtxBuffer(draw.texArray, draw.texArraySize);
if (draw.smooth)
{
GLES11.GlEnable(GLES11.GlLineSmooth);
}
GLES11.GlLineWidth(draw.lineWidth);
GLES11.GlTexCoordPointer(2, GLES11.GlFloat, 0, tb);
GLES11.GlColorPointer(4, GLES11.GlUnsignedByte, 0, cb);
GLES11.GlVertexPointer(2, GLES11.GlFloat, 0, vb);
GLES11.GlDrawArrays(GLES11.GlLines, 0, draw.numVertices);
if (draw.smooth)
{
GLES11.GlDisable(GLES11.GlLineSmooth);
}
}
GLES11.GlDisableClientState(GLES11.GlColorArray);
GLES11.GlDisableClientState(GLES11.GlTextureCoordArray);
GLES11.GlDisable(GLES11.GlTexture2d);
GLES11.GlPopMatrix();
}
if (list.HasAnyBitmaps)
{
var drawData = list.GetBitmapDrawData(vtxArray, texArray, colArray, out var vtxSize, out var texSize, out var colSize, out var idxSize);
var vb = CopyGetVtxBuffer(vtxArray, vtxSize);
var cb = CopyGetColBuffer(colArray, colSize);
var tb = CopyGetVtxBuffer(texArray, texSize);
var ib = CopyGetIdxBuffer(quadIdxArray, idxSize);
GLES11.GlEnable(GLES11.GlTexture2d);
GLES11.GlEnableClientState(GLES11.GlColorArray);
GLES11.GlEnableClientState(GLES11.GlTextureCoordArray);
GLES11.GlTexCoordPointer(2, GLES11.GlFloat, 0, tb);
GLES11.GlColorPointer(4, GLES11.GlUnsignedByte, 0, cb);
GLES11.GlVertexPointer(2, GLES11.GlFloat, 0, vb);
foreach (var draw in drawData)
{
ib.Position(draw.start);
GLES11.GlBindTexture(GLES11.GlTexture2d, draw.textureId);
GLES11.GlDrawElements(GLES11.GlTriangles, draw.count, GLES11.GlUnsignedShort, ib);
}
GLES11.GlDisableClientState(GLES11.GlColorArray);
GLES11.GlDisableClientState(GLES11.GlTextureCoordArray);
GLES11.GlDisable(GLES11.GlTexture2d);
}
if (list.HasAnyTexts)
{
var drawData = list.GetTextDrawData(vtxArray, texArray, colArray, out var vtxSize, out var texSize, out var colSize, out var idxSize);
var vb = CopyGetVtxBuffer(vtxArray, vtxSize);
var cb = CopyGetColBuffer(colArray, colSize);
var tb = CopyGetVtxBuffer(texArray, texSize);
var ib = CopyGetIdxBuffer(quadIdxArray, idxSize);
GLES11.GlEnable(GLES11.GlTexture2d);
GLES11.GlEnableClientState(GLES11.GlColorArray);
GLES11.GlEnableClientState(GLES11.GlTextureCoordArray);
GLES11.GlTexCoordPointer(2, GLES11.GlFloat, 0, tb);
GLES11.GlColorPointer(4, GLES11.GlUnsignedByte, 0, cb);
GLES11.GlVertexPointer(2, GLES11.GlFloat, 0, vb);
foreach (var draw in drawData)
{
ib.Position(draw.start);
GLES11.GlBindTexture(GLES11.GlTexture2d, draw.textureId);
GLES11.GlDrawElements(GLES11.GlTriangles, draw.count, GLES11.GlUnsignedShort, ib);
}
GLES11.GlDisableClientState(GLES11.GlColorArray);
GLES11.GlDisableClientState(GLES11.GlTextureCoordArray);
GLES11.GlDisable(GLES11.GlTexture2d);
}
if (!scissor.IsEmpty)
{
ClearScissorRect();
}
}
list.Release();
}
public void Clear(Color color)
{
GLES11.GlClearColor(color.R / 255.0f, color.G / 255.0f, color.B / 255.0f, color.A / 255.0f);
GLES11.GlClear(GLES11.GlColorBufferBit);
}
public void SetViewport(int x, int y, int width, int height)
{
GLES11.GlViewport(x, y, width, height);
}
private void ClearScissorRect()
{
GLES11.GlScissor(controlRectFlip.Left, controlRectFlip.Top, controlRectFlip.Width, controlRectFlip.Height);
}
