protected override void DoRender(RenderEventArgs e)
{
CSharpGL.Objects.Texture2D texture = this.texture;
texture.Bind();
if (this.blend)
{
GL.Enable(GL.GL_BLEND);
GL.BlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
}
ShaderProgram shaderProgram = this.shaderProgram;
shaderProgram.Bind();
GL.ActiveTexture(GL.GL_TEXTURE0);
GL.Enable(GL.GL_TEXTURE_2D);
texture.Bind();
shaderProgram.SetUniform(strtex, 0);
shaderProgram.SetUniform(WholeFontTextureElement.strcolor, 1.0f, 1.0f, 1.0f, 1.0f);
shaderProgram.SetUniformMatrix4("MVP", (projectionMatrix * viewMatrix * modelMatrix).to_array());
GL.BindVertexArray(vao[0]);
GL.DrawArrays(this.mode, 0, this.vertexCount);
GL.BindVertexArray(0);
texture.Unbind();
shaderProgram.Unbind();
GL.BindTexture(GL.GL_TEXTURE_2D, 0);
if (this.blend)
{
GL.Disable(GL.GL_BLEND);
}
}
void element_BeforeRendering(object sender, Objects.RenderEventArgs e)
{
CSharpGL.Objects.Texture2D texture = element.texture;
texture.Bind();
if (element.blend)
{
GL.Enable(GL.GL_BLEND);
GL.BlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
}
mat4 modelMatrix = mat4.identity();
mat4 viewMatrix = this.camera.GetViewMat4();
mat4 projectionMatrix = this.camera.GetProjectionMat4();
ShaderProgram shaderProgram = element.shaderProgram;
shaderProgram.Bind();
shaderProgram.SetUniform(WholeFontTextureElement.strtex, texture.Name);
shaderProgram.SetUniform(WholeFontTextureElement.strcolor, 1.0f, 1.0f, 1.0f, 1.0f);
IMVP iMVP = element as IMVP;
iMVP.SetShaderProgram(projectionMatrix * viewMatrix * modelMatrix);
}