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Added conservative raster support.

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This commit is contained in:
Branimir Karadžić
2016-03-16 20:04:06 -07:00
parent f568b998b8
commit acbabdde3b
7 changed files with 119 additions and 64 deletions
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81
src/renderer_gl.cpp
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@@ -585,6 +585,7 @@ namespace bgfx { namespace gl
MOZ_WEBGL_compressed_texture_s3tc,
MOZ_WEBGL_depth_texture,
NV_conservative_raster,
NV_copy_image,
NV_draw_buffers,
NV_occlusion_query,
@@ -792,6 +793,7 @@ namespace bgfx { namespace gl
{ "MOZ_WEBGL_compressed_texture_s3tc", false, true },
{ "MOZ_WEBGL_depth_texture", false, true },
{ "NV_conservative_raster", false, true },
{ "NV_copy_image", false, true },
{ "NV_draw_buffers", false, true }, // GLES2 extension.
{ "NV_occlusion_query", false, true },
@@ -1277,6 +1279,8 @@ namespace bgfx { namespace gl
, m_depthTextureSupport(false)
, m_timerQuerySupport(false)
, m_occlusionQuerySupport(false)
, m_atocSupport(false)
, m_conservativeRasterSupport(false)
, m_flip(false)
, m_hash( (BX_PLATFORM_WINDOWS<<1) | BX_ARCH_64BIT)
, m_backBufferFbo(0)
@@ -1744,11 +1748,6 @@ namespace bgfx { namespace gl
: 0
;
g_caps.supported |= s_extension[Extension::ARB_multisample].m_supported
? BGFX_CAPS_ALPHA_TO_COVERAGE
: 0
;
const bool drawIndirectSupported = false
|| s_extension[Extension::AMD_multi_draw_indirect].m_supported
|| s_extension[Extension::ARB_draw_indirect ].m_supported
@@ -1875,19 +1874,15 @@ namespace bgfx { namespace gl
&& NULL != glEndQuery
;
g_caps.supported |= m_occlusionQuerySupport
? BGFX_CAPS_OCCLUSION_QUERY
: 0
;
m_atocSupport = s_extension[Extension::ARB_multisample].m_supported;
m_conservativeRasterSupport = s_extension[Extension::NV_conservative_raster].m_supported;
g_caps.supported |= m_depthTextureSupport
? BGFX_CAPS_TEXTURE_COMPARE_LEQUAL
: 0
;
g_caps.supported |= computeSupport
? BGFX_CAPS_COMPUTE
: 0
g_caps.supported |= 0
| (m_atocSupport ? BGFX_CAPS_ALPHA_TO_COVERAGE : 0)
| (m_conservativeRasterSupport ? BGFX_CAPS_CONSERVATIVE_RASTER : 0)
| (m_occlusionQuerySupport ? BGFX_CAPS_OCCLUSION_QUERY : 0)
| (m_depthTextureSupport ? BGFX_CAPS_TEXTURE_COMPARE_LEQUAL : 0)
| (computeSupport ? BGFX_CAPS_COMPUTE : 0)
;
g_caps.supported |= m_glctx.getCaps();
@@ -3311,6 +3306,8 @@ namespace bgfx { namespace gl
bool m_depthTextureSupport;
bool m_timerQuerySupport;
bool m_occlusionQuerySupport;
bool m_atocSupport;
bool m_conservativeRasterSupport;
bool m_flip;
uint64_t m_hash;
@@ -5872,6 +5869,8 @@ namespace bgfx { namespace gl
| BGFX_STATE_PT_MASK
| BGFX_STATE_POINT_SIZE_MASK
| BGFX_STATE_MSAA
| BGFX_STATE_LINEAA
| BGFX_STATE_CONSERVATIVE_RASTER
) & changedFlags)
{
if (BGFX_STATE_CULL_MASK & changedFlags)
@@ -5927,26 +5926,27 @@ namespace bgfx { namespace gl
if (BGFX_STATE_MSAA & changedFlags)
{
if (BGFX_STATE_MSAA & newFlags)
{
GL_CHECK(glEnable(GL_MULTISAMPLE) );
}
else
{
GL_CHECK(glDisable(GL_MULTISAMPLE) );
}
GL_CHECK(BGFX_STATE_MSAA & newFlags
? glEnable(GL_MULTISAMPLE)
: glDisable(GL_MULTISAMPLE)
);
}
if (BGFX_STATE_LINEAA & changedFlags)
{
if (BGFX_STATE_LINEAA & newFlags)
{
GL_CHECK(glEnable(GL_LINE_SMOOTH) );
}
else
{
GL_CHECK(glDisable(GL_LINE_SMOOTH) );
}
GL_CHECK(BGFX_STATE_LINEAA & newFlags
? glEnable(GL_LINE_SMOOTH)
: glDisable(GL_LINE_SMOOTH)
);
}
if (m_conservativeRasterSupport
&& BGFX_STATE_CONSERVATIVE_RASTER & changedFlags)
{
GL_CHECK(BGFX_STATE_CONSERVATIVE_RASTER & newFlags
? glEnable(GL_CONSERVATIVE_RASTERIZATION_NV)
: glDisable(GL_CONSERVATIVE_RASTERIZATION_NV)
);
}
#endif // BGFX_CONFIG_RENDERER_OPENGL
@@ -5965,13 +5965,16 @@ namespace bgfx { namespace gl
) & changedFlags)
|| blendFactor != draw.m_rgba)
{
if (BGFX_STATE_BLEND_ALPHA_TO_COVERAGE & newFlags)
if (m_atocSupport)
{
GL_CHECK(glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE) );
}
else
{
GL_CHECK(glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE) );
if (BGFX_STATE_BLEND_ALPHA_TO_COVERAGE & newFlags)
{
GL_CHECK(glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE) );
}
else
{
GL_CHECK(glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE) );
}
}
if ( ( (0