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GL: Fixed crash when timer query is not available.

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This commit is contained in:
Branimir Karadžić 2015-03-30 00:06:34 -07:00
parent 5eccbc7aa8
commit 9fc5badf69
1 changed files with 30 additions and 10 deletions
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36
src/renderer_gl.cpp
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@ -360,6 +360,7 @@ namespace bgfx { namespace gl
ANGLE_texture_compression_dxt1,
ANGLE_texture_compression_dxt3,
ANGLE_texture_compression_dxt5,
ANGLE_timer_query,
ANGLE_translated_shader_source,
APPLE_texture_format_BGRA8888,
@ -425,6 +426,7 @@ namespace bgfx { namespace gl
EXT_debug_label,
EXT_debug_marker,
EXT_discard_framebuffer,
EXT_disjoint_timer_query,
EXT_draw_buffers,
EXT_frag_depth,
EXT_framebuffer_blit,
@ -514,7 +516,7 @@ namespace bgfx { namespace gl
bool m_initialize;
};
static Extension s_extension[Extension::Count] =
static Extension s_extension[] =
{
{ "AMD_conservative_depth", false, true },
@ -525,6 +527,7 @@ namespace bgfx { namespace gl
{ "ANGLE_texture_compression_dxt1", false, true },
{ "ANGLE_texture_compression_dxt3", false, true },
{ "ANGLE_texture_compression_dxt5", false, true },
{ "ANGLE_timer_query", false, true },
{ "ANGLE_translated_shader_source", false, true },
{ "APPLE_texture_format_BGRA8888", false, true },
@ -590,6 +593,7 @@ namespace bgfx { namespace gl
{ "EXT_debug_label", false, true },
{ "EXT_debug_marker", false, true },
{ "EXT_discard_framebuffer", false, true }, // GLES2 extension.
{ "EXT_disjoint_timer_query", false, true }, // GLES2 extension.
{ "EXT_draw_buffers", false, true }, // GLES2 extension.
{ "EXT_frag_depth", false, true }, // GLES2 extension.
{ "EXT_framebuffer_blit", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
@ -613,7 +617,7 @@ namespace bgfx { namespace gl
{ "EXT_texture_storage", false, true },
{ "EXT_texture_swizzle", false, true },
{ "EXT_texture_type_2_10_10_10_REV", false, true },
{ "EXT_timer_query", false, true },
{ "EXT_timer_query", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
{ "EXT_unpack_subimage", false, true },
{ "GOOGLE_depth_texture", false, true },
@ -671,6 +675,7 @@ namespace bgfx { namespace gl
{ "WEBKIT_WEBGL_compressed_texture_s3tc", false, true },
{ "WEBKIT_WEBGL_depth_texture", false, true },
};
BX_STATIC_ASSERT(Extension::Count == BX_COUNTOF(s_extension) );
static const char* s_ARB_shader_texture_lod[] =
{
@ -952,6 +957,7 @@ namespace bgfx { namespace gl
, m_programBinarySupport(false)
, m_textureSwizzleSupport(false)
, m_depthTextureSupport(false)
, m_timerQuerySupport(false)
, m_flip(false)
, m_hash( (BX_PLATFORM_WINDOWS<<1) | BX_ARCH_64BIT)
, m_backBufferFbo(0)
@ -1386,6 +1392,13 @@ namespace bgfx { namespace gl
|| s_extension[Extension::WEBKIT_WEBGL_depth_texture].m_supported
;
m_timerQuerySupport = 0
|| s_extension[Extension::ANGLE_timer_query ].m_supported
|| s_extension[Extension::ARB_timer_query ].m_supported
|| s_extension[Extension::EXT_disjoint_timer_query].m_supported
|| s_extension[Extension::EXT_timer_query ].m_supported
;
g_caps.supported |= m_depthTextureSupport
? BGFX_CAPS_TEXTURE_COMPARE_LEQUAL
: 0
@ -1495,7 +1508,8 @@ namespace bgfx { namespace gl
glInvalidateFramebuffer = stubInvalidateFramebuffer;
}
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) )
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
&& m_timerQuerySupport)
{
m_queries.create();
}
@ -1525,7 +1539,8 @@ namespace bgfx { namespace gl
invalidateCache();
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) )
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
&& m_timerQuerySupport)
{
m_queries.destroy();
}
@ -2606,6 +2621,7 @@ namespace bgfx { namespace gl
bool m_programBinarySupport;
bool m_textureSwizzleSupport;
bool m_depthTextureSupport;
bool m_timerQuerySupport;
bool m_flip;
uint64_t m_hash;
@ -4414,7 +4430,8 @@ namespace bgfx { namespace gl
int64_t captureElapsed = 0;
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
&& (_render->m_debug & (BGFX_DEBUG_IFH|BGFX_DEBUG_STATS) ) )
&& (_render->m_debug & (BGFX_DEBUG_IFH|BGFX_DEBUG_STATS) )
&& m_timerQuerySupport)
{
m_queries.begin(0, GL_TIME_ELAPSED);
}
@ -5250,11 +5267,14 @@ namespace bgfx { namespace gl
if (_render->m_debug & (BGFX_DEBUG_IFH|BGFX_DEBUG_STATS) )
{
double elapsedGpuMs = 0.0;
#if BGFX_CONFIG_RENDERER_OPENGL
uint64_t elapsedGl = 0;
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
&& m_timerQuerySupport)
{
m_queries.end(GL_TIME_ELAPSED);
uint64_t elapsedGl = m_queries.getResult(0);
elapsedGl = m_queries.getResult(0);
elapsedGpuMs = double(elapsedGl)/1e6;
#endif // BGFX_CONFIG_RENDERER_OPENGL
}
TextVideoMem& tvm = m_textVideoMem;