void
rsx_set_vp(glw_root_t *root, rsx_vp_t *rvp)
{
if(root->gr_be.be_vp_current == rvp)
return;
root->gr_be.be_vp_current = rvp;
realityLoadVertexProgram(root->gr_be.be_ctx, rvp->rvp_binary);
}
void drawFrame(int buffer, long frame) {
realityViewportTranslate(context, 0.0, 0.0, 0.0, 0.0);
realityViewportScale(context, 1.0, 1.0, 1.0, 0.0);
realityZControl(context, 0, 1, 1); // disable viewport culling
// Enable alpha blending.
realityBlendFunc(context,
NV30_3D_BLEND_FUNC_SRC_RGB_SRC_ALPHA |
NV30_3D_BLEND_FUNC_SRC_ALPHA_SRC_ALPHA,
NV30_3D_BLEND_FUNC_DST_RGB_ONE_MINUS_SRC_ALPHA |
NV30_3D_BLEND_FUNC_DST_ALPHA_ZERO);
realityBlendEquation(context, NV40_3D_BLEND_EQUATION_RGB_FUNC_ADD |
NV40_3D_BLEND_EQUATION_ALPHA_FUNC_ADD);
realityBlendEnable(context, 1);
realityViewport(context, res.width, res.height);
setupRenderTarget(buffer);
// set the clear color
realitySetClearColor(context, 0x00000000); // Black, because it looks cool
// and the depth clear value
realitySetClearDepthValue(context, 0xffff);
// Clear the buffers
realityClearBuffers(context, REALITY_CLEAR_BUFFERS_COLOR_R |
REALITY_CLEAR_BUFFERS_COLOR_G |
REALITY_CLEAR_BUFFERS_COLOR_B |
NV30_3D_CLEAR_BUFFERS_COLOR_A |
NV30_3D_CLEAR_BUFFERS_STENCIL |
REALITY_CLEAR_BUFFERS_DEPTH);
// Load shaders, because the rsx won't do anything without them.
realityLoadVertexProgram(context, &nv40_vp);
realityLoadFragmentProgram(context, &nv30_fp);
// Load texture
load_tex(0, tx_offset, dice.width, dice.height, dice.width*4, NV40_3D_TEX_FORMAT_FORMAT_A8R8G8B8, 1);
// Generate quad
realityVertexBegin(context, REALITY_QUADS);
{
realityTexCoord2f(context, 0.0, 0.0);
realityVertex4f(context, 600.0, 300.0, 0.0, 1.0);
realityTexCoord2f(context, 1.0, 0.0);
realityVertex4f(context, 1400.0, 300.0, 0.0, 1.0);
realityTexCoord2f(context, 1.0, 1.0);
realityVertex4f(context, 1400.0, 900.0, 0.0, 1.0);
realityTexCoord2f(context, 0.0, 1.0);
realityVertex4f(context, 600.0, 900.0, 0.0, 1.0);
}
realityVertexEnd(context);
}
