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gsdx-ogl: Group non-overlapped accurate blend sprite draws 

Reduces the number of draw calls and barriers when drawing sprites.
This commit is contained in:
Jonathan Li 2016-01-11 17:56:08 +00:00
parent f3b6829c74
commit 74ace74d50
2 changed files with 13 additions and 1 deletions
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13
plugins/GSdx/GSRendererOGL.cpp
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@ -31,6 +31,9 @@ GSRendererOGL::GSRendererOGL()
m_sw_blending = theApp.GetConfig("accurate_blending_unit", 1);
// Hope nothing requires too many draw calls.
m_drawlist.reserve(2048);
UserHacks_TCOffset = theApp.GetConfig("UserHacks_TCOffset", 0);
UserHacks_TCO_x = (UserHacks_TCOffset & 0xFFFF) / -1000.0f;
UserHacks_TCO_y = ((UserHacks_TCOffset >> 16) & 0xFFFF) / -1000.0f;
@ -488,6 +491,7 @@ GSRendererOGL::PRIM_OVERLAP GSRendererOGL::PrimitiveOverlap()
PRIM_OVERLAP overlap = PRIM_OVERLAP_NO;
GSVertex* v = m_vertex.buff;
m_drawlist.clear();
size_t i = 0;
while (i < count) {
// In order to speed up comparison a bounding-box is accumulated. It removes a
@ -544,6 +548,7 @@ GSRendererOGL::PRIM_OVERLAP GSRendererOGL::PrimitiveOverlap()
}
j += 2;
}
m_drawlist.push_back((j - i) >> 1); // Sprite count
i = j;
}
@ -615,6 +620,13 @@ void GSRendererOGL::SendDraw(bool require_barrier)
ASSERT(GLLoader::found_GL_ARB_texture_barrier);
glTextureBarrier();
dev->DrawIndexedPrimitive();
} else if (m_vt.m_primclass == GS_SPRITE_CLASS) {
size_t nb_vertex = (GLLoader::found_geometry_shader) ? 2 : 6;
for (size_t count, p = 0, n = 0; n < m_drawlist.size(); p += count, ++n) {
count = m_drawlist[n] * nb_vertex;
glTextureBarrier();
dev->DrawIndexedPrimitive(p, count);
}
} else {
// FIXME: Investigate: a dynamic check to pack as many primitives as possibles
// I'm nearly sure GSdx already have this kind of code (maybe we can adapt GSDirtyRect)
@ -622,7 +634,6 @@ void GSRendererOGL::SendDraw(bool require_barrier)
switch (m_vt.m_primclass) {
case GS_TRIANGLE_CLASS: nb_vertex = 3; break;
case GS_POINT_CLASS: nb_vertex = 1; break;
case GS_SPRITE_CLASS: nb_vertex = (GLLoader::found_geometry_shader) ? 2 : 6; break;
default: nb_vertex = 2; break;
}

1
plugins/GSdx/GSRendererOGL.h
View File

@ -49,6 +49,7 @@ class GSRendererOGL : public GSRendererHW
int m_sw_blending;
PRIM_OVERLAP m_prim_overlap;
bool m_unsafe_fbmask;
vector<size_t> m_drawlist;
unsigned int UserHacks_TCOffset;
float UserHacks_TCO_x, UserHacks_TCO_y;