void UploadGradientLookupTable(GLBitmap bmp)
{
//load before use with RenderSubImage
//-------------------------------------------------------------------------------------
// Bind the texture...
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, bmp.GetServerTextureId());
// Set the texture sampler to texture unit to 0
s_texture.SetValue(0);
}
public void RenderSubImage(GLBitmap bmp, float[] srcDestList, float scale)
{
SetCurrent();
CheckViewMatrix();
//-------------------------------------------------------------------------------------
// Bind the texture...
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, bmp.GetServerTextureId());
// Set the texture sampler to texture unit to 0
s_texture.SetValue(0);
OnSetVarsBeforeRenderer();
int j = srcDestList.Length;
for (int i = 0; i < j;)
{
float srcLeft = srcDestList[i];
float srcTop = srcDestList[i + 1];
float srcW = srcDestList[i + 2];
float srcH = srcDestList[i + 3];
float targetLeft = srcDestList[i + 4];
float targetTop = srcDestList[i + 5];
i += 6;
//-------------------------------
float srcBottom = srcTop - srcH;
float srcRight = srcLeft + srcW;
float orgBmpW = bmp.Width;
float orgBmpH = bmp.Height;
unsafe
{
float *imgVertices = stackalloc float[5 * 4];
{
imgVertices[0] = targetLeft; imgVertices[1] = targetTop; imgVertices[2] = 0; //coord 0
imgVertices[3] = srcLeft / orgBmpW; imgVertices[4] = srcBottom / orgBmpH; //texture coord 0
//---------------------
imgVertices[5] = targetLeft; imgVertices[6] = targetTop - (srcH * scale); imgVertices[7] = 0; //coord 1
imgVertices[8] = srcLeft / orgBmpW; imgVertices[9] = srcTop / orgBmpH; //texture coord 1
//---------------------
imgVertices[10] = targetLeft + (srcW * scale); imgVertices[11] = targetTop; imgVertices[12] = 0; //coord 2
imgVertices[13] = srcRight / orgBmpW; imgVertices[14] = srcBottom / orgBmpH; //texture coord 2
//---------------------
imgVertices[15] = targetLeft + (srcW * scale); imgVertices[16] = targetTop - (srcH * scale); imgVertices[17] = 0; //coord 3
imgVertices[18] = srcRight / orgBmpW; imgVertices[19] = srcTop / orgBmpH; //texture coord 3
};
a_position.UnsafeLoadMixedV3f(imgVertices, 5);
a_texCoord.UnsafeLoadMixedV2f(imgVertices + 3, 5);
}
GL.DrawElements(BeginMode.TriangleStrip, 4, DrawElementsType.UnsignedShort, indices);
}
}
public void MakeActive()
{
//if (_owner.CurrentActiveTextureContainer != this)
//{
_owner.CurrentActiveTextureContainer = this;
GL.ActiveTexture(_textureUnit);
GL.BindTexture(TextureTarget.Texture2D, _currentGLBitmap.GetServerTextureId());
//}
//else
//{
//}
}
public void Render(GLBitmap bmp,
float left_top_x, float left_top_y,
float right_top_x, float right_top_y,
float right_bottom_x, float right_bottom_y,
float left_bottom_x, float left_bottom_y, bool flipY = false)
{
Render(bmp.GetServerTextureId(),
left_top_x, left_top_y,
right_top_x, right_top_y,
right_bottom_x, right_bottom_y,
left_bottom_x, left_bottom_y, flipY);
}
/// <summary>
/// load glbmp before draw
/// </summary>
/// <param name="bmp"></param>
public void LoadGLBitmap(GLBitmap bmp)
{
//load before use with RenderSubImage
SetCurrent();
CheckViewMatrix();
//-------------------------------------------------------------------------------------
// Bind the texture...
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, bmp.GetServerTextureId());
// Set the texture sampler to texture unit to 0
s_texture.SetValue(0);
_latestBmpW = bmp.Width;
_latestBmpH = bmp.Height;
_latestBmpYFlipped = bmp.IsYFlipped;
}
void InitFrameBuffer()
{
GL.GenFramebuffers(1, out _frameBufferId);
//switch to this (custom) framebuffer
GL.BindFramebuffer(FramebufferTarget.Framebuffer, _frameBufferId);
//---------
//render buffer
GL.GenRenderbuffers(1, out _renderBufferId);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, _renderBufferId);
GL.RenderbufferStorage(RenderbufferTarget.Renderbuffer, RenderbufferInternalFormat.DepthComponent16, _width, _height);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferSlot.ColorAttachment0, TextureTarget.Texture2D, _glBmp.GetServerTextureId(), 0);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferSlot.DepthAttachment, RenderbufferTarget.Renderbuffer, _renderBufferId);
//switch back to default framebuffer (system provider framebuffer)
GL.BindTexture(TextureTarget.Texture2D, 0); //unbind
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, 0); //unbind => default framebuffer
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0); //unbind
}
public void Render(GLBitmap bmp, float left, float top, float w, float h)
{
unsafe
{
float* imgVertices = stackalloc float[5 * 4];
{
imgVertices[0] = left; imgVertices[1] = top; imgVertices[2] = 0; //coord 0
imgVertices[3] = 0; imgVertices[4] = 0; //texture coord 0
//---------------------
imgVertices[5] = left; imgVertices[6] = top - h; imgVertices[7] = 0; //coord 1
imgVertices[8] = 0; imgVertices[9] = 1; //texture coord 1
//---------------------
imgVertices[10] = left + w; imgVertices[11] = top; imgVertices[12] = 0; //coord 2
imgVertices[13] = 1; imgVertices[14] = 0; //texture coord 2
//---------------------
imgVertices[15] = left + w; imgVertices[16] = top - h; imgVertices[17] = 0; //coord 3
imgVertices[18] = 1; imgVertices[19] = 1; //texture coord 3
};
a_position.UnsafeLoadMixedV3f(imgVertices, 5);
a_texCoord.UnsafeLoadMixedV2f(imgVertices + 3, 5);
}
SetCurrent();
CheckViewMatrix();
//-------------------------------------------------------------------------------------
// Bind the texture...
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, bmp.GetServerTextureId());
// Set the texture sampler to texture unit to 0
s_texture.SetValue(0);
OnSetVarsBeforeRenderer();
GL.DrawElements(BeginMode.TriangleStrip, 4, DrawElementsType.UnsignedShort, indices);
}
public void RenderSubImage(GLBitmap bmp, float[] srcDestList, float scale)
{
SetCurrent();
CheckViewMatrix();
//-------------------------------------------------------------------------------------
// Bind the texture...
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, bmp.GetServerTextureId());
// Set the texture sampler to texture unit to 0
s_texture.SetValue(0);
OnSetVarsBeforeRenderer();
int j = srcDestList.Length;
for (int i = 0; i < j; )
{
float srcLeft = srcDestList[i];
float srcTop = srcDestList[i + 1];
float srcW = srcDestList[i + 2];
float srcH = srcDestList[i + 3];
float targetLeft = srcDestList[i + 4];
float targetTop = srcDestList[i + 5];
i += 6;
//-------------------------------
float srcBottom = srcTop - srcH;
float srcRight = srcLeft + srcW;
float orgBmpW = bmp.Width;
float orgBmpH = bmp.Height;
unsafe
{
float* imgVertices = stackalloc float[5 * 4];
{
imgVertices[0] = targetLeft; imgVertices[1] = targetTop; imgVertices[2] = 0; //coord 0
imgVertices[3] = srcLeft / orgBmpW; imgVertices[4] = srcBottom / orgBmpH; //texture coord 0
//---------------------
imgVertices[5] = targetLeft; imgVertices[6] = targetTop - (srcH * scale); imgVertices[7] = 0; //coord 1
imgVertices[8] = srcLeft / orgBmpW; imgVertices[9] = srcTop / orgBmpH; //texture coord 1
//---------------------
imgVertices[10] = targetLeft + (srcW * scale); imgVertices[11] = targetTop; imgVertices[12] = 0; //coord 2
imgVertices[13] = srcRight / orgBmpW; imgVertices[14] = srcBottom / orgBmpH; //texture coord 2
//---------------------
imgVertices[15] = targetLeft + (srcW * scale); imgVertices[16] = targetTop - (srcH * scale); imgVertices[17] = 0; //coord 3
imgVertices[18] = srcRight / orgBmpW; imgVertices[19] = srcTop / orgBmpH; //texture coord 3
};
a_position.UnsafeLoadMixedV3f(imgVertices, 5);
a_texCoord.UnsafeLoadMixedV2f(imgVertices + 3, 5);
}
GL.DrawElements(BeginMode.TriangleStrip, 4, DrawElementsType.UnsignedShort, indices);
}
}
public void Render(GLBitmap bmp, float left, float top, float w, float h)
{
Render(bmp.GetServerTextureId(), left, top, w, h, bmp.IsYFlipped);
}
public void Render(GLBitmap bmp, float left, float top, float w, float h)
{
unsafe
{
if (bmp.IsInvert)
{
float *imgVertices = stackalloc float[5 * 4];
{
imgVertices[0] = left; imgVertices[1] = top; imgVertices[2] = 0; //coord 0 (left,top)
imgVertices[3] = 0; imgVertices[4] = 0; //texture coord 0 (left,bottom)
//imgVertices[3] = srcLeft / orgBmpW; imgVertices[4] = srcBottom / orgBmpH; //texture coord 0 (left,bottom)
//---------------------
imgVertices[5] = left; imgVertices[6] = top - h; imgVertices[7] = 0; //coord 1 (left,bottom)
imgVertices[8] = 0; imgVertices[9] = 1; //texture coord 1 (left,top)
//---------------------
imgVertices[10] = left + w; imgVertices[11] = top; imgVertices[12] = 0; //coord 2 (right,top)
imgVertices[13] = 1; imgVertices[14] = 0; //texture coord 2 (right,bottom)
//---------------------
imgVertices[15] = left + w; imgVertices[16] = top - h; imgVertices[17] = 0; //coord 3 (right, bottom)
imgVertices[18] = 1; imgVertices[19] = 1; //texture coord 3 (right,top)
}
a_position.UnsafeLoadMixedV3f(imgVertices, 5);
a_texCoord.UnsafeLoadMixedV2f(imgVertices + 3, 5);
}
else
{
float *imgVertices = stackalloc float[5 * 4];
{
imgVertices[0] = left; imgVertices[1] = top; imgVertices[2] = 0; //coord 0 (left,top)
imgVertices[3] = 0; imgVertices[4] = 1; //texture coord 0 (left,top)
//---------------------
imgVertices[5] = left; imgVertices[6] = top - h; imgVertices[7] = 0; //coord 1 (left,bottom)
imgVertices[8] = 0; imgVertices[9] = 0; //texture coord 1 (left,bottom)
//---------------------
imgVertices[10] = left + w; imgVertices[11] = top; imgVertices[12] = 0; //coord 2 (right,top)
imgVertices[13] = 1; imgVertices[14] = 1; //texture coord 2 (right,top)
//---------------------
imgVertices[15] = left + w; imgVertices[16] = top - h; imgVertices[17] = 0; //coord 3 (right, bottom)
imgVertices[18] = 1; imgVertices[19] = 0; //texture coord 3 (right,bottom)
}
a_position.UnsafeLoadMixedV3f(imgVertices, 5);
a_texCoord.UnsafeLoadMixedV2f(imgVertices + 3, 5);
}
}
SetCurrent();
CheckViewMatrix();
//-------------------------------------------------------------------------------------
// Bind the texture...
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, bmp.GetServerTextureId());
// Set the texture sampler to texture unit to 0
s_texture.SetValue(0);
OnSetVarsBeforeRenderer();
GL.DrawElements(BeginMode.TriangleStrip, 4, DrawElementsType.UnsignedShort, indices);
}