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gsdx-ogl: add accurate blending implementation

This commit is contained in:
Gregory Hainaut 2015-05-09 15:02:13 +02:00
parent 1e8aea033c
commit 472608b879
1 changed files with 12 additions and 0 deletions
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12
plugins/GSdx/GSRendererOGL.cpp
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@ -565,11 +565,21 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
GL_POP();
dev->OMSetColorMaskState(om_csel);
// Handle blending with care
int bogus_blend = dev->SetupOM(om_dssel, om_bsel, afix);
if (m_accurate_blend && bogus_blend > 2) {
ps_sel.blend = bogus_blend - 3;
dev->SetupPS(ps_sel);
dev->PSSetShaderResource(3, rt);
require_barrier = ((bogus_blend != 7) && (bogus_blend != 9));
}
dev->SetupCB(&vs_cb, &ps_cb);
if (DATE_GL42) {
GL_PUSH("Date GL42");
ASSERT(bogus_blend <= 2);
// It could be good idea to use stencil in the same time.
// Early stencil test will reduce the number of atomic-load operation
@ -607,6 +617,7 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
if (env.COLCLAMP.CLAMP == 0 && !tex && PRIM->PRIM != GS_POINTLIST)
{
ASSERT(bogus_blend <= 2);
GL_PUSH("COLCLIP");
GSDeviceOGL::OMBlendSelector om_bselneg(om_bsel);
GSDeviceOGL::PSSelector ps_selneg(ps_sel);
@ -666,6 +677,7 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
if (env.COLCLAMP.CLAMP == 0 && !tex && PRIM->PRIM != GS_POINTLIST)
{
ASSERT(bogus_blend <= 2);
GL_PUSH("COLCLIP");
GSDeviceOGL::OMBlendSelector om_bselneg(om_bsel);
GSDeviceOGL::PSSelector ps_selneg(ps_sel);