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experimental map shaders

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Eduardo Bart
2012-06-14 15:26:55 -03:00
parent 318109158a
commit 83f86eac64
50 changed files with 725 additions and 377 deletions
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39
src/framework/graphics/graphics.cpp
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@@ -195,51 +195,18 @@ bool Graphics::selectPainterEngine(PainterEngine painterEngine)
void Graphics::resize(const Size& size)
{
setViewportSize(size);
// The projection matrix converts from Painter's coordinate system to GL's coordinate system
// * GL's viewport is 2x2, Painter's is width x height
// * GL has +y -> -y going from bottom -> top, Painter is the other way round
// * GL has [0,0] in the center, Painter has it in the top-left
//
// This results in the Projection matrix below.
//
// Projection Matrix
// Painter Coord ------------------------------------------------ GL Coord
// ------------- | 2.0 / width | 0.0 | 0.0 | ---------------
// | x y 1 | * | 0.0 | -2.0 / height | 0.0 | = | x' y' 1 |
// ------------- | -1.0 | 1.0 | 1.0 | ---------------
// ------------------------------------------------
Matrix3 projectionMatrix = { 2.0f/size.width(), 0.0f, 0.0f,
0.0f, -2.0f/size.height(), 0.0f,
-1.0f, 1.0f, 1.0f };
m_viewportSize = size;
#ifdef PAINTER_OGL1
if(g_painterOGL1)
g_painterOGL1->setProjectionMatrix(projectionMatrix);
g_painterOGL1->setResolution(size);
#endif
#ifdef PAINTER_OGL2
if(g_painterOGL2)
g_painterOGL2->setProjectionMatrix(projectionMatrix);
g_painterOGL2->setResolution(size);
#endif
}
void Graphics::beginRender()
{
//g_painter->clear(Color::black);
}
void Graphics::endRender()
{
}
void Graphics::setViewportSize(const Size& size)
{
glViewport(0, 0, size.width(), size.height());
m_viewportSize = size;
}
bool Graphics::canUseDrawArrays()
{
#ifdef OPENGL_ES