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Fixed stencil clear when using clear quad.

This commit is contained in:
bkaradzic 2013-04-14 18:18:11 -07:00
parent 5b2a141473
commit 8a6b6133ec
4 changed files with 43 additions and 8 deletions
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2
premake/bgfx.lua
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@ -30,7 +30,7 @@ project "bgfx"
BGFX_DIR .. "src/**.mm",
}
configuration { "(not nacl*) and (not qnx*)" }
configuration { "vs*" }
includedirs {
--nacl has GLES2 headers modified...
BGFX_DIR .. "3rdparty/glext",

2
src/bgfx.cpp
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@ -1252,12 +1252,14 @@ namespace bgfx
void setViewClear(uint8_t _id, uint8_t _flags, uint32_t _rgba, float _depth, uint8_t _stencil)
{
BGFX_CHECK_MAIN_THREAD();
BX_CHECK(_flags != BGFX_CLEAR_NONE, "At least one clear bit flag must be used.");
s_ctx.setViewClear(_id, _flags, _rgba, _depth, _stencil);
}
void setViewClearMask(uint32_t _viewMask, uint8_t _flags, uint32_t _rgba, float _depth, uint8_t _stencil)
{
BGFX_CHECK_MAIN_THREAD();
BX_CHECK(_flags != BGFX_CLEAR_NONE, "At least one clear bit flag must be used.");
s_ctx.setViewClearMask(_viewMask, _flags, _rgba, _depth, _stencil);
}

15
src/renderer_d3d11.cpp
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@ -768,7 +768,7 @@ namespace bgfx
uint32_t fstencil = unpackStencil(0, _stencil);
uint32_t ref = (fstencil&BGFX_STENCIL_FUNC_REF_MASK)>>BGFX_STENCIL_FUNC_REF_SHIFT;
_stencil &= packStencil(BGFX_STENCIL_FUNC_REF_MASK, BGFX_STENCIL_MASK);
_stencil &= packStencil(~BGFX_STENCIL_FUNC_REF_MASK, BGFX_STENCIL_MASK);
HashMurmur2A murmur;
murmur.begin();
@ -1339,8 +1339,19 @@ namespace bgfx
state |= _clear.m_flags & BGFX_CLEAR_COLOR_BIT ? BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE : 0;
state |= _clear.m_flags & BGFX_CLEAR_DEPTH_BIT ? BGFX_STATE_DEPTH_TEST_ALWAYS|BGFX_STATE_DEPTH_WRITE : 0;
uint64_t stencil = 0;
stencil |= _clear.m_flags & BGFX_CLEAR_STENCIL_BIT ? 0
| BGFX_STENCIL_TEST_ALWAYS
| BGFX_STENCIL_FUNC_REF(_clear.m_stencil)
| BGFX_STENCIL_FUNC_RMASK(0xff)
| BGFX_STENCIL_OP_FAIL_S_REPLACE
| BGFX_STENCIL_OP_FAIL_Z_REPLACE
| BGFX_STENCIL_OP_PASS_Z_REPLACE
: 0
;
s_renderCtx.setBlendState(state);
s_renderCtx.setDepthStencilState(state);
s_renderCtx.setDepthStencilState(state, stencil);
s_renderCtx.setRasterizerState(state, false);
Program& program = s_renderCtx.m_program[m_program.idx];

32
src/renderer_gl.cpp
View File

@ -1938,13 +1938,35 @@ namespace bgfx
#if BGFX_CONFIG_CLEAR_QUAD
if (s_renderCtx.m_useClearQuad)
{
GL_CHECK(glDisable(GL_STENCIL_TEST) );
GL_CHECK(glEnable(GL_DEPTH_TEST) );
GL_CHECK(glDepthFunc(GL_ALWAYS) );
GL_CHECK(glDisable(GL_CULL_FACE) );
GL_CHECK(glDisable(GL_BLEND) );
GL_CHECK(glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE) );
GL_CHECK(glDepthMask(GL_TRUE) );
GLboolean colorMask = !!(BGFX_CLEAR_COLOR_BIT & _clear.m_flags);
GL_CHECK(glColorMask(colorMask, colorMask, colorMask, colorMask) );
GLboolean depthMask = !!(BGFX_CLEAR_DEPTH_BIT & _clear.m_flags);
if (depthMask)
{
GL_CHECK(glEnable(GL_DEPTH_TEST) );
GL_CHECK(glDepthFunc(GL_ALWAYS) );
GL_CHECK(glDepthMask(depthMask) );
}
else
{
GL_CHECK(glDisable(GL_DEPTH_TEST) );
}
GLboolean stencilMask = !!(BGFX_CLEAR_STENCIL_BIT & _clear.m_flags);
if (stencilMask)
{
GL_CHECK(glEnable(GL_STENCIL_TEST) );
GL_CHECK(glStencilFuncSeparate(GL_FRONT_AND_BACK, GL_ALWAYS, _clear.m_stencil, 0xff) );
GL_CHECK(glStencilOpSeparate(GL_FRONT_AND_BACK, GL_REPLACE, GL_REPLACE, GL_REPLACE) );
}
else
{
GL_CHECK(glDisable(GL_STENCIL_TEST) );
}
VertexBuffer& vb = s_renderCtx.m_vertexBuffers[m_vb->handle.idx];
VertexDecl& vertexDecl = s_renderCtx.m_vertexDecls[m_vb->decl.idx];