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Added support for GLES3.

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bkaradzic
2012-10-13 22:21:02 -07:00
parent 9556728ee0
commit d4c7545b1e
21 changed files with 3143 additions and 105 deletions
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156
src/renderer_gl.cpp
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@@ -5,7 +5,7 @@
#include "bgfx_p.h"
#if (BGFX_CONFIG_RENDERER_OPENGLES2|BGFX_CONFIG_RENDERER_OPENGL)
#if (BGFX_CONFIG_RENDERER_OPENGLES2|BGFX_CONFIG_RENDERER_OPENGLES3|BGFX_CONFIG_RENDERER_OPENGL)
# include "renderer_gl.h"
# include <bx/timer.h>
# include <bx/uint32_t.h>
@@ -41,9 +41,15 @@ namespace bgfx
glDrawElements(_mode, _count, _type, _indices);
}
#if BGFX_CONFIG_RENDERER_OPENGLES3
# define s_vertexAttribDivisor glVertexAttribDivisor
# define s_drawArraysInstanced glDrawArraysInstanced
# define s_drawElementsInstanced glDrawElementsInstanced
#else
static PFNGLVERTEXATTRIBDIVISORBGFXPROC s_vertexAttribDivisor = stubVertexAttribDivisor;
static PFNGLDRAWARRAYSINSTANCEDBGFXPROC s_drawArraysInstanced = stubDrawArraysInstanced;
static PFNGLDRAWELEMENTSINSTANCEDBGFXPROC s_drawElementsInstanced = stubDrawElementsInstanced;
#endif // BGFX_CONFIG_RENDERER_OPENGLES3
typedef void (*PostSwapBuffersFn)(uint32_t _width, uint32_t _height);
@@ -333,24 +339,42 @@ namespace bgfx
#elif BGFX_USE_EGL
if (NULL == m_context)
{
m_display = eglGetDisplay(NULL);
EGLNativeDisplayType ndt = EGL_DEFAULT_DISPLAY;
# if BX_PLATFORM_WINDOWS
ndt = GetDC(g_bgfxHwnd);
# endif // BX_PLATFORM_
m_display = eglGetDisplay(ndt);
BGFX_FATAL(m_display != EGL_NO_DISPLAY, Fatal::OPENGL_UnableToCreateContext, "Failed to create display 0x%08x", m_display);
EGLint major = 0;
EGLint minor = 0;
EGLBoolean success = eglInitialize(m_display, &major, &minor);
BGFX_FATAL(success && major >= 1 && minor >= 4, Fatal::OPENGL_UnableToCreateContext, "Failed to initialize %d.%d", major, minor);
BGFX_FATAL(success && major >= 1 && minor >= 3, Fatal::OPENGL_UnableToCreateContext, "Failed to initialize %d.%d", major, minor);
EGLint attrs[] =
{
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
# if BX_PLATFORM_ANDROID
EGL_DEPTH_SIZE, 16,
# else
EGL_DEPTH_SIZE, 24,
# endif // BX_PLATFORM_
EGL_NONE
EGL_NONE
};
EGLint contextAttrs[] =
{
# if BGFX_CONFIG_RENDERER_OPENGLES2
EGL_CONTEXT_CLIENT_VERSION, 2,
# elif BGFX_CONFIG_RENDERER_OPENGLES3
EGL_CONTEXT_CLIENT_VERSION, 3,
# endif // BGFX_CONFIG_RENDERER_
EGL_NONE
};
EGLint numConfig = 0;
EGLConfig config = 0;
success = eglChooseConfig(m_display, attrs, &config, 1, &numConfig);
@@ -359,7 +383,7 @@ namespace bgfx
m_surface = eglCreateWindowSurface(m_display, config, (EGLNativeWindowType)g_bgfxHwnd, NULL);
BGFX_FATAL(m_surface != EGL_NO_SURFACE, Fatal::OPENGL_UnableToCreateContext, "Failed to create surface.");
m_context = eglCreateContext(m_display, config, EGL_NO_CONTEXT, NULL);
m_context = eglCreateContext(m_display, config, EGL_NO_CONTEXT, contextAttrs);
BGFX_FATAL(m_context != EGL_NO_CONTEXT, Fatal::OPENGL_UnableToCreateContext, "Failed to create context.");
success = eglMakeCurrent(m_display, m_surface, m_surface, m_context);
@@ -368,6 +392,7 @@ namespace bgfx
# define GL_IMPORT(_optional, _proto, _func) \
{ \
_func = (_proto)eglGetProcAddress(#_func); \
BX_TRACE(#_func " 0x%08x", _func); \
BGFX_FATAL(_optional || NULL != _func, Fatal::OPENGL_UnableToCreateContext, "Failed to create OpenGLES context. eglGetProcAddress(\"%s\")", #_func); \
}
# include "glimports.h"
@@ -376,6 +401,7 @@ namespace bgfx
#endif // BX_PLATFORM_
}
#if !BGFX_CONFIG_RENDERER_OPENGLES3
if (NULL != glVertexAttribDivisor
&& NULL != glDrawArraysInstanced
&& NULL != glDrawElementsInstanced)
@@ -390,6 +416,7 @@ namespace bgfx
s_drawArraysInstanced = stubDrawArraysInstanced;
s_drawElementsInstanced = stubDrawElementsInstanced;
}
#endif // !BGFX_CONFIG_RENDERER_OPENGLES3
m_flip = true;
}
@@ -1505,8 +1532,8 @@ namespace bgfx
) );
}
break;
}
#endif // BGFX_CONFIG_RENDERER_OPENGL
}
}
void RenderTarget::create(uint16_t _width, uint16_t _height, uint32_t _flags, uint32_t _textureFlags)
@@ -1759,12 +1786,15 @@ namespace bgfx
BX_TRACE("GL_NUM_COMPRESSED_TEXTURE_FORMATS %d", numCmpFormats);
GLint* formats = (GLint*)alloca(sizeof(GLint)*numCmpFormats);
glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS, formats);
for (GLint ii = 0; ii < numCmpFormats; ++ii)
if (0 < numCmpFormats)
{
BX_TRACE("\t%3d: %8x", ii, formats[ii]);
GLint* formats = (GLint*)alloca(sizeof(GLint)*numCmpFormats);
glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS, formats);
for (GLint ii = 0; ii < numCmpFormats; ++ii)
{
BX_TRACE("\t%3d: %8x", ii, formats[ii]);
}
}
# define GL_GET(_pname, _min) BX_TRACE(#_pname " %d (min: %d)", glGet(_pname), _min)
@@ -1782,66 +1812,68 @@ namespace bgfx
#endif // BGFX_CONFIG_DEBUG
const char* extensions = (const char*)glGetString(GL_EXTENSIONS);
char name[1024];
const char* pos = extensions;
const char* end = extensions + strlen(extensions);
while (pos < end)
{
uint32_t len;
const char* space = strchr(pos, ' ');
if (NULL != space)
if (NULL != extensions)
{
char name[1024];
const char* pos = extensions;
const char* end = extensions + strlen(extensions);
while (pos < end)
{
len = uint32_min(sizeof(name), (uint32_t)(space - pos) );
}
else
{
len = uint32_min(sizeof(name), (uint32_t)strlen(pos) );
}
strncpy(name, pos, len);
name[len] = '\0';
uint32_t len;
const char* space = strchr(pos, ' ');
if (NULL != space)
{
len = uint32_min(sizeof(name), (uint32_t)(space - pos) );
}
else
{
len = uint32_min(sizeof(name), (uint32_t)strlen(pos) );
}
strncpy(name, pos, len);
name[len] = '\0';
bool supported = false;
bool supported = false;
for (uint32_t ii = 0; ii < Extension::Count; ++ii)
{
Extension& extension = s_extension[ii];
if (!extension.m_supported
&& extension.m_initialize)
{
if (0 == strcmp(name, extension.m_name) )
{
extension.m_supported = true;
supported = true;
break;
}
}
}
BX_TRACE("GL_EXTENSION%s: %s", supported ? " (supported)" : "", name);
BX_UNUSED(supported);
pos += len+1;
}
BX_TRACE("Supported extensions:");
for (uint32_t ii = 0; ii < Extension::Count; ++ii)
{
Extension& extension = s_extension[ii];
if (!extension.m_supported
&& extension.m_initialize)
if (s_extension[ii].m_supported)
{
if (0 == strcmp(name, extension.m_name) )
{
extension.m_supported = true;
supported = true;
break;
}
BX_TRACE("\t%2d: %s", ii, s_extension[ii].m_name);
}
}
BX_TRACE("GL_EXTENSION%s: %s", supported ? " (supported)" : "", name);
BX_UNUSED(supported);
s_renderCtx.m_dxtSupport = true
&& s_extension[Extension::EXT_texture_compression_dxt1].m_supported
&& s_extension[Extension::CHROMIUM_texture_compression_dxt3].m_supported
&& s_extension[Extension::CHROMIUM_texture_compression_dxt5].m_supported
;
pos += len+1;
}
BX_TRACE("Supported extensions:");
for (uint32_t ii = 0; ii < Extension::Count; ++ii)
{
if (s_extension[ii].m_supported)
{
BX_TRACE("\t%2d: %s", ii, s_extension[ii].m_name);
}
s_renderCtx.m_dxtSupport |=
s_extension[Extension::EXT_texture_compression_s3tc].m_supported
;
}
s_renderCtx.m_dxtSupport = true
&& s_extension[Extension::EXT_texture_compression_dxt1].m_supported
&& s_extension[Extension::CHROMIUM_texture_compression_dxt3].m_supported
&& s_extension[Extension::CHROMIUM_texture_compression_dxt5].m_supported
;
s_renderCtx.m_dxtSupport |=
s_extension[Extension::EXT_texture_compression_s3tc].m_supported
;
}
void Context::rendererShutdown()
@@ -2678,4 +2710,4 @@ namespace bgfx
}
}
#endif // (BGFX_CONFIG_RENDERER_OPENGLES|BGFX_CONFIG_RENDERER_OPENGL)
#endif // (BGFX_CONFIG_RENDERER_OPENGLES2|BGFX_CONFIG_RENDERER_OPENGLES3|BGFX_CONFIG_RENDERER_OPENGL)