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990 lines
31 KiB
990 lines
31 KiB
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#include "gl_local.h" |
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convar_t *gl_extensions; |
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convar_t *gl_texture_anisotropy; |
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convar_t *gl_texture_lodbias; |
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convar_t *gl_texture_nearest; |
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convar_t *gl_lightmap_nearest; |
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convar_t *gl_keeptjunctions; |
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convar_t *gl_emboss_scale; |
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convar_t *gl_detailscale; |
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convar_t *gl_check_errors; |
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convar_t *gl_polyoffset; |
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convar_t *gl_wireframe; |
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convar_t *gl_finish; |
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convar_t *gl_nosort; |
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convar_t *gl_vsync; |
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convar_t *gl_clear; |
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convar_t *gl_test; |
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convar_t *gl_msaa; |
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convar_t *gl_stencilbits; |
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convar_t *r_speeds; |
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convar_t *r_fullbright; |
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convar_t *r_norefresh; |
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convar_t *r_showtree; |
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convar_t *r_lighting_extended; |
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convar_t *r_lighting_modulate; |
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convar_t *r_lighting_ambient; |
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convar_t *r_detailtextures; |
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convar_t *r_drawentities; |
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convar_t *r_adjust_fov; |
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convar_t *r_decals; |
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convar_t *r_novis; |
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convar_t *r_nocull; |
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convar_t *r_lockpvs; |
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convar_t *r_lockfrustum; |
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convar_t *r_traceglow; |
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convar_t *r_dynamic; |
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convar_t *r_lightmap; |
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convar_t *gl_round_down; |
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convar_t *r_vbo; |
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convar_t *r_vbo_dlightmode; |
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byte *r_temppool; |
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gl_globals_t tr; |
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glconfig_t glConfig; |
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glstate_t glState; |
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glwstate_t glw_state; |
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#define GL_CALL( x ) #x, (void**)&p##x |
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static dllfunc_t opengl_110funcs[] = |
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{ |
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{ GL_CALL( glClearColor ) }, |
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{ GL_CALL( glClear ) }, |
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{ GL_CALL( glAlphaFunc ) }, |
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{ GL_CALL( glBlendFunc ) }, |
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{ GL_CALL( glCullFace ) }, |
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{ GL_CALL( glDrawBuffer ) }, |
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{ GL_CALL( glReadBuffer ) }, |
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{ GL_CALL( glAccum ) }, |
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{ GL_CALL( glEnable ) }, |
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{ GL_CALL( glDisable ) }, |
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{ GL_CALL( glEnableClientState ) }, |
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{ GL_CALL( glDisableClientState ) }, |
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{ GL_CALL( glGetBooleanv ) }, |
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{ GL_CALL( glGetDoublev ) }, |
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{ GL_CALL( glGetFloatv ) }, |
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{ GL_CALL( glGetIntegerv ) }, |
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{ GL_CALL( glGetError ) }, |
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{ GL_CALL( glGetString ) }, |
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{ GL_CALL( glFinish ) }, |
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{ GL_CALL( glFlush ) }, |
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{ GL_CALL( glClearDepth ) }, |
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{ GL_CALL( glDepthFunc ) }, |
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{ GL_CALL( glDepthMask ) }, |
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{ GL_CALL( glDepthRange ) }, |
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{ GL_CALL( glFrontFace ) }, |
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{ GL_CALL( glDrawElements ) }, |
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{ GL_CALL( glDrawArrays ) }, |
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{ GL_CALL( glColorMask ) }, |
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{ GL_CALL( glIndexPointer ) }, |
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{ GL_CALL( glVertexPointer ) }, |
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{ GL_CALL( glNormalPointer ) }, |
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{ GL_CALL( glColorPointer ) }, |
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{ GL_CALL( glTexCoordPointer ) }, |
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{ GL_CALL( glArrayElement ) }, |
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{ GL_CALL( glColor3f ) }, |
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{ GL_CALL( glColor3fv ) }, |
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{ GL_CALL( glColor4f ) }, |
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{ GL_CALL( glColor4fv ) }, |
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{ GL_CALL( glColor3ub ) }, |
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{ GL_CALL( glColor4ub ) }, |
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{ GL_CALL( glColor4ubv ) }, |
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{ GL_CALL( glTexCoord1f ) }, |
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{ GL_CALL( glTexCoord2f ) }, |
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{ GL_CALL( glTexCoord3f ) }, |
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{ GL_CALL( glTexCoord4f ) }, |
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{ GL_CALL( glTexCoord1fv ) }, |
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{ GL_CALL( glTexCoord2fv ) }, |
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{ GL_CALL( glTexCoord3fv ) }, |
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{ GL_CALL( glTexCoord4fv ) }, |
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{ GL_CALL( glTexGenf ) }, |
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{ GL_CALL( glTexGenfv ) }, |
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{ GL_CALL( glTexGeni ) }, |
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{ GL_CALL( glVertex2f ) }, |
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{ GL_CALL( glVertex3f ) }, |
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{ GL_CALL( glVertex3fv ) }, |
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{ GL_CALL( glNormal3f ) }, |
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{ GL_CALL( glNormal3fv ) }, |
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{ GL_CALL( glBegin ) }, |
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{ GL_CALL( glEnd ) }, |
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{ GL_CALL( glLineWidth ) }, |
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{ GL_CALL( glPointSize ) }, |
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{ GL_CALL( glMatrixMode ) }, |
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{ GL_CALL( glOrtho ) }, |
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{ GL_CALL( glRasterPos2f ) }, |
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{ GL_CALL( glFrustum ) }, |
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{ GL_CALL( glViewport ) }, |
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{ GL_CALL( glPushMatrix ) }, |
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{ GL_CALL( glPopMatrix ) }, |
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{ GL_CALL( glPushAttrib ) }, |
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{ GL_CALL( glPopAttrib ) }, |
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{ GL_CALL( glLoadIdentity ) }, |
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{ GL_CALL( glLoadMatrixd ) }, |
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{ GL_CALL( glLoadMatrixf ) }, |
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{ GL_CALL( glMultMatrixd ) }, |
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{ GL_CALL( glMultMatrixf ) }, |
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{ GL_CALL( glRotated ) }, |
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{ GL_CALL( glRotatef ) }, |
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{ GL_CALL( glScaled ) }, |
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{ GL_CALL( glScalef ) }, |
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{ GL_CALL( glTranslated ) }, |
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{ GL_CALL( glTranslatef ) }, |
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{ GL_CALL( glReadPixels ) }, |
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{ GL_CALL( glDrawPixels ) }, |
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{ GL_CALL( glStencilFunc ) }, |
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{ GL_CALL( glStencilMask ) }, |
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{ GL_CALL( glStencilOp ) }, |
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{ GL_CALL( glClearStencil ) }, |
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{ GL_CALL( glIsEnabled ) }, |
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{ GL_CALL( glIsList ) }, |
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{ GL_CALL( glIsTexture ) }, |
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{ GL_CALL( glTexEnvf ) }, |
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{ GL_CALL( glTexEnvfv ) }, |
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{ GL_CALL( glTexEnvi ) }, |
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{ GL_CALL( glTexParameterf ) }, |
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{ GL_CALL( glTexParameterfv ) }, |
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{ GL_CALL( glTexParameteri ) }, |
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{ GL_CALL( glHint ) }, |
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{ GL_CALL( glPixelStoref ) }, |
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{ GL_CALL( glPixelStorei ) }, |
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{ GL_CALL( glGenTextures ) }, |
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{ GL_CALL( glDeleteTextures ) }, |
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{ GL_CALL( glBindTexture ) }, |
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{ GL_CALL( glTexImage1D ) }, |
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{ GL_CALL( glTexImage2D ) }, |
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{ GL_CALL( glTexSubImage1D ) }, |
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{ GL_CALL( glTexSubImage2D ) }, |
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{ GL_CALL( glCopyTexImage1D ) }, |
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{ GL_CALL( glCopyTexImage2D ) }, |
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{ GL_CALL( glCopyTexSubImage1D ) }, |
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{ GL_CALL( glCopyTexSubImage2D ) }, |
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{ GL_CALL( glScissor ) }, |
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{ GL_CALL( glGetTexImage ) }, |
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{ GL_CALL( glGetTexEnviv ) }, |
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{ GL_CALL( glPolygonOffset ) }, |
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{ GL_CALL( glPolygonMode ) }, |
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{ GL_CALL( glPolygonStipple ) }, |
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{ GL_CALL( glClipPlane ) }, |
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{ GL_CALL( glGetClipPlane ) }, |
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{ GL_CALL( glShadeModel ) }, |
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{ GL_CALL( glGetTexLevelParameteriv ) }, |
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{ GL_CALL( glGetTexLevelParameterfv ) }, |
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{ GL_CALL( glFogfv ) }, |
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{ GL_CALL( glFogf ) }, |
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{ GL_CALL( glFogi ) }, |
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{ NULL , NULL } |
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}; |
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static dllfunc_t debugoutputfuncs[] = |
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{ |
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{ GL_CALL( glDebugMessageControlARB ) }, |
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{ GL_CALL( glDebugMessageInsertARB ) }, |
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{ GL_CALL( glDebugMessageCallbackARB ) }, |
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{ GL_CALL( glGetDebugMessageLogARB ) }, |
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{ NULL , NULL } |
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}; |
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static dllfunc_t multitexturefuncs[] = |
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{ |
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{ GL_CALL( glMultiTexCoord1f ) }, |
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{ GL_CALL( glMultiTexCoord2f ) }, |
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{ GL_CALL( glMultiTexCoord3f ) }, |
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{ GL_CALL( glMultiTexCoord4f ) }, |
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{ GL_CALL( glActiveTexture ) }, |
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{ GL_CALL( glActiveTextureARB ) }, |
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{ GL_CALL( glClientActiveTexture ) }, |
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{ GL_CALL( glClientActiveTextureARB ) }, |
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{ NULL , NULL } |
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}; |
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static dllfunc_t texture3dextfuncs[] = |
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{ |
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{ GL_CALL( glTexImage3D ) }, |
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{ GL_CALL( glTexSubImage3D ) }, |
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{ GL_CALL( glCopyTexSubImage3D ) }, |
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{ NULL , NULL } |
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}; |
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static dllfunc_t texturecompressionfuncs[] = |
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{ |
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{ GL_CALL( glCompressedTexImage3DARB ) }, |
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{ GL_CALL( glCompressedTexImage2DARB ) }, |
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{ GL_CALL( glCompressedTexImage1DARB ) }, |
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{ GL_CALL( glCompressedTexSubImage3DARB ) }, |
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{ GL_CALL( glCompressedTexSubImage2DARB ) }, |
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{ GL_CALL( glCompressedTexSubImage1DARB ) }, |
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{ GL_CALL( glGetCompressedTexImage ) }, |
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{ NULL , NULL } |
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}; |
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static dllfunc_t vbofuncs[] = |
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{ |
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{ GL_CALL( glBindBufferARB ) }, |
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{ GL_CALL( glDeleteBuffersARB ) }, |
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{ GL_CALL( glGenBuffersARB ) }, |
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{ GL_CALL( glIsBufferARB ) }, |
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{ GL_CALL( glMapBufferARB ) }, |
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{ GL_CALL( glUnmapBufferARB ) }, // , |
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{ GL_CALL( glBufferDataARB ) }, |
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{ GL_CALL( glBufferSubDataARB ) }, |
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{ NULL, NULL} |
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}; |
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/* |
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======================== |
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DebugCallback |
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For ARB_debug_output |
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======================== |
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*/ |
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static void APIENTRY GL_DebugOutput( GLuint source, GLuint type, GLuint id, GLuint severity, GLint length, const GLcharARB *message, GLvoid *userParam ) |
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{ |
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switch( type ) |
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{ |
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case GL_DEBUG_TYPE_ERROR_ARB: |
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Con_Printf( S_OPENGL_ERROR "%s\n", message ); |
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break; |
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case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB: |
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Con_Printf( S_OPENGL_WARN "%s\n", message ); |
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break; |
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case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB: |
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Con_Printf( S_OPENGL_WARN "%s\n", message ); |
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break; |
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case GL_DEBUG_TYPE_PORTABILITY_ARB: |
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if( gpGlobals->developer < DEV_EXTENDED ) |
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return; |
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Con_Printf( S_OPENGL_WARN "%s\n", message ); |
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break; |
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case GL_DEBUG_TYPE_PERFORMANCE_ARB: |
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Con_Printf( S_OPENGL_NOTE "%s\n", message ); |
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break; |
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case GL_DEBUG_TYPE_OTHER_ARB: |
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default: Con_Printf( S_OPENGL_NOTE "%s\n", message ); |
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break; |
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} |
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} |
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/* |
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================= |
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GL_SetExtension |
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================= |
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*/ |
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void GL_SetExtension( int r_ext, int enable ) |
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{ |
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if( r_ext >= 0 && r_ext < GL_EXTCOUNT ) |
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glConfig.extension[r_ext] = enable ? GL_TRUE : GL_FALSE; |
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else Con_Printf( S_ERROR "GL_SetExtension: invalid extension %d\n", r_ext ); |
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} |
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/* |
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================= |
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GL_Support |
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================= |
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*/ |
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qboolean GL_Support( int r_ext ) |
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{ |
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if( r_ext >= 0 && r_ext < GL_EXTCOUNT ) |
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return glConfig.extension[r_ext] ? true : false; |
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Con_Printf( S_ERROR "GL_Support: invalid extension %d\n", r_ext ); |
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return false; |
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} |
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/* |
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================= |
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GL_MaxTextureUnits |
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================= |
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*/ |
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int GL_MaxTextureUnits( void ) |
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{ |
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if( GL_Support( GL_SHADER_GLSL100_EXT )) |
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return Q_min( Q_max( glConfig.max_texture_coords, glConfig.max_teximage_units ), MAX_TEXTURE_UNITS ); |
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return glConfig.max_texture_units; |
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} |
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/* |
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================= |
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GL_CheckExtension |
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================= |
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*/ |
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void GL_CheckExtension( const char *name, const dllfunc_t *funcs, const char *cvarname, int r_ext ) |
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{ |
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const dllfunc_t *func; |
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convar_t *parm = NULL; |
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const char *extensions_string; |
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Con_Reportf( "GL_CheckExtension: %s ", name ); |
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GL_SetExtension( r_ext, true ); |
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if( cvarname ) |
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{ |
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// system config disable extensions |
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parm = Cvar_Get( cvarname, "1", FCVAR_GLCONFIG, va( CVAR_GLCONFIG_DESCRIPTION, name )); |
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} |
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if(( parm && !CVAR_TO_BOOL( parm )) || ( !CVAR_TO_BOOL( gl_extensions ) && r_ext != GL_OPENGL_110 )) |
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{ |
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Con_Reportf( "- disabled\n" ); |
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GL_SetExtension( r_ext, false ); |
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return; // nothing to process at |
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} |
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extensions_string = glConfig.extensions_string; |
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if(( name[2] == '_' || name[3] == '_' ) && !Q_strstr( extensions_string, name )) |
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{ |
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GL_SetExtension( r_ext, false ); // update render info |
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Con_Reportf( "- ^1failed\n" ); |
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return; |
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} |
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// clear exports |
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for( func = funcs; func && func->name; func++ ) |
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*func->func = NULL; |
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for( func = funcs; func && func->name != NULL; func++ ) |
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{ |
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// functions are cleared before all the extensions are evaluated |
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if((*func->func = (void *)GL_GetProcAddress( func->name )) == NULL ) |
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GL_SetExtension( r_ext, false ); // one or more functions are invalid, extension will be disabled |
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} |
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if( GL_Support( r_ext )) |
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Con_Reportf( "- ^2enabled\n" ); |
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else Con_Reportf( "- ^1failed\n" ); |
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} |
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/* |
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=============== |
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GL_SetDefaultTexState |
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=============== |
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*/ |
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static void GL_SetDefaultTexState( void ) |
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{ |
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int i; |
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memset( glState.currentTextures, -1, MAX_TEXTURE_UNITS * sizeof( *glState.currentTextures )); |
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memset( glState.texCoordArrayMode, 0, MAX_TEXTURE_UNITS * sizeof( *glState.texCoordArrayMode )); |
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memset( glState.genSTEnabled, 0, MAX_TEXTURE_UNITS * sizeof( *glState.genSTEnabled )); |
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for( i = 0; i < MAX_TEXTURE_UNITS; i++ ) |
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{ |
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glState.currentTextureTargets[i] = GL_NONE; |
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glState.texIdentityMatrix[i] = true; |
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} |
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} |
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/* |
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=============== |
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GL_SetDefaultState |
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=============== |
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*/ |
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static void GL_SetDefaultState( void ) |
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{ |
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memset( &glState, 0, sizeof( glState )); |
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GL_SetDefaultTexState (); |
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// init draw stack |
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tr.draw_list = &tr.draw_stack[0]; |
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tr.draw_stack_pos = 0; |
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} |
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/* |
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=============== |
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GL_SetDefaults |
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=============== |
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*/ |
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static void GL_SetDefaults( void ) |
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{ |
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pglFinish(); |
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pglClearColor( 0.5f, 0.5f, 0.5f, 1.0f ); |
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pglDisable( GL_DEPTH_TEST ); |
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pglDisable( GL_CULL_FACE ); |
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pglDisable( GL_SCISSOR_TEST ); |
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pglDepthFunc( GL_LEQUAL ); |
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pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f ); |
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if( vidState.stencilEnabled ) |
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{ |
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pglDisable( GL_STENCIL_TEST ); |
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pglStencilMask( ( GLuint ) ~0 ); |
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pglStencilFunc( GL_EQUAL, 0, ~0 ); |
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pglStencilOp( GL_KEEP, GL_INCR, GL_INCR ); |
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} |
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pglPolygonMode( GL_FRONT_AND_BACK, GL_FILL ); |
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pglPolygonOffset( -1.0f, -2.0f ); |
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GL_CleanupAllTextureUnits(); |
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pglDisable( GL_BLEND ); |
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pglDisable( GL_ALPHA_TEST ); |
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pglDisable( GL_POLYGON_OFFSET_FILL ); |
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pglAlphaFunc( GL_GREATER, DEFAULT_ALPHATEST ); |
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pglEnable( GL_TEXTURE_2D ); |
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pglShadeModel( GL_SMOOTH ); |
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pglFrontFace( GL_CCW ); |
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pglPointSize( 1.2f ); |
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pglLineWidth( 1.2f ); |
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GL_Cull( GL_NONE ); |
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} |
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/* |
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================= |
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R_RenderInfo_f |
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================= |
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*/ |
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void R_RenderInfo_f( void ) |
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{ |
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Con_Printf( "\n" ); |
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Con_Printf( "GL_VENDOR: %s\n", glConfig.vendor_string ); |
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Con_Printf( "GL_RENDERER: %s\n", glConfig.renderer_string ); |
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Con_Printf( "GL_VERSION: %s\n", glConfig.version_string ); |
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// don't spam about extensions |
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if( host_developer.value >= DEV_EXTENDED ) |
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{ |
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Con_Printf( "GL_EXTENSIONS: %s\n", glConfig.extensions_string ); |
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} |
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Con_Printf( "GL_MAX_TEXTURE_SIZE: %i\n", glConfig.max_2d_texture_size ); |
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if( GL_Support( GL_ARB_MULTITEXTURE )) |
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Con_Printf( "GL_MAX_TEXTURE_UNITS_ARB: %i\n", glConfig.max_texture_units ); |
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if( GL_Support( GL_TEXTURE_CUBEMAP_EXT )) |
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Con_Printf( "GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB: %i\n", glConfig.max_cubemap_size ); |
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if( GL_Support( GL_ANISOTROPY_EXT )) |
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Con_Printf( "GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT: %.1f\n", glConfig.max_texture_anisotropy ); |
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if( GL_Support( GL_TEXTURE_2D_RECT_EXT )) |
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Con_Printf( "GL_MAX_RECTANGLE_TEXTURE_SIZE: %i\n", glConfig.max_2d_rectangle_size ); |
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if( GL_Support( GL_TEXTURE_ARRAY_EXT )) |
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Con_Printf( "GL_MAX_ARRAY_TEXTURE_LAYERS_EXT: %i\n", glConfig.max_2d_texture_layers ); |
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if( GL_Support( GL_SHADER_GLSL100_EXT )) |
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{ |
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Con_Printf( "GL_MAX_TEXTURE_COORDS_ARB: %i\n", glConfig.max_texture_coords ); |
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Con_Printf( "GL_MAX_TEXTURE_IMAGE_UNITS_ARB: %i\n", glConfig.max_teximage_units ); |
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Con_Printf( "GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB: %i\n", glConfig.max_vertex_uniforms ); |
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Con_Printf( "GL_MAX_VERTEX_ATTRIBS_ARB: %i\n", glConfig.max_vertex_attribs ); |
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} |
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Con_Printf( "\n" ); |
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Con_Printf( "MODE: %ix%i\n", vidState.width, vidState.height ); |
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Con_Printf( "\n" ); |
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Con_Printf( "VERTICAL SYNC: %s\n", gl_vsync->value ? "enabled" : "disabled" ); |
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Con_Printf( "Color %d bits, Alpha %d bits, Depth %d bits, Stencil %d bits\n", glConfig.color_bits, |
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glConfig.alpha_bits, glConfig.depth_bits, glConfig.stencil_bits ); |
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} |
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#ifdef XASH_GLES |
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void GL_InitExtensionsGLES( void ) |
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{ |
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// intialize wrapper type |
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#ifdef XASH_NANOGL |
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glConfig.context = CONTEXT_TYPE_GLES_1_X; |
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glConfig.wrapper = GLES_WRAPPER_NANOGL; |
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#elif defined( XASH_WES ) |
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glConfig.context = CONTEXT_TYPE_GLES_2_X; |
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glConfig.wrapper = GLES_WRAPPER_WES; |
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#endif |
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glConfig.hardware_type = GLHW_GENERIC; |
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// initalize until base opengl functions loaded |
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GL_SetExtension( GL_DRAW_RANGEELEMENTS_EXT, true ); |
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GL_SetExtension( GL_ARB_MULTITEXTURE, true ); |
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pglGetIntegerv( GL_MAX_TEXTURE_UNITS_ARB, &glConfig.max_texture_units ); |
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glConfig.max_texture_coords = glConfig.max_texture_units = 4; |
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GL_SetExtension( GL_ENV_COMBINE_EXT, true ); |
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GL_SetExtension( GL_DOT3_ARB_EXT, true ); |
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GL_SetExtension( GL_TEXTURE_3D_EXT, false ); |
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GL_SetExtension( GL_SGIS_MIPMAPS_EXT, true ); // gles specs |
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GL_SetExtension( GL_ARB_VERTEX_BUFFER_OBJECT_EXT, true ); // gles specs |
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// hardware cubemaps |
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GL_CheckExtension( "GL_OES_texture_cube_map", NULL, "gl_texture_cubemap", GL_TEXTURECUBEMAP_EXT ); |
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|
|
if( GL_Support( GL_TEXTURECUBEMAP_EXT )) |
|
pglGetIntegerv( GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, &glConfig.max_cubemap_size ); |
|
|
|
GL_SetExtension( GL_ARB_SEAMLESS_CUBEMAP, false ); |
|
|
|
GL_SetExtension( GL_EXT_POINTPARAMETERS, false ); |
|
GL_CheckExtension( "GL_OES_texture_npot", NULL, "gl_texture_npot", GL_ARB_TEXTURE_NPOT_EXT ); |
|
|
|
GL_SetExtension( GL_TEXTURE_COMPRESSION_EXT, false ); |
|
GL_SetExtension( GL_CUSTOM_VERTEX_ARRAY_EXT, false ); |
|
GL_SetExtension( GL_CLAMPTOEDGE_EXT, true ); // by gles1 specs |
|
GL_SetExtension( GL_ANISOTROPY_EXT, false ); |
|
GL_SetExtension( GL_TEXTURE_LODBIAS, false ); |
|
GL_SetExtension( GL_CLAMP_TEXBORDER_EXT, false ); |
|
GL_SetExtension( GL_BLEND_MINMAX_EXT, false ); |
|
GL_SetExtension( GL_BLEND_SUBTRACT_EXT, false ); |
|
GL_SetExtension( GL_SEPARATESTENCIL_EXT, false ); |
|
GL_SetExtension( GL_STENCILTWOSIDE_EXT, false ); |
|
GL_SetExtension( GL_TEXTURE_ENV_ADD_EXT,false ); |
|
GL_SetExtension( GL_SHADER_OBJECTS_EXT, false ); |
|
GL_SetExtension( GL_SHADER_GLSL100_EXT, false ); |
|
GL_SetExtension( GL_VERTEX_SHADER_EXT,false ); |
|
GL_SetExtension( GL_FRAGMENT_SHADER_EXT, false ); |
|
GL_SetExtension( GL_SHADOW_EXT, false ); |
|
GL_SetExtension( GL_ARB_DEPTH_FLOAT_EXT, false ); |
|
GL_SetExtension( GL_OCCLUSION_QUERIES_EXT,false ); |
|
GL_CheckExtension( "GL_OES_depth_texture", NULL, "gl_depthtexture", GL_DEPTH_TEXTURE ); |
|
|
|
glConfig.texRectangle = glConfig.max_2d_rectangle_size = 0; // no rectangle |
|
|
|
Cvar_FullSet( "gl_allow_mirrors", "0", CVAR_READ_ONLY); // No support for GLES |
|
|
|
} |
|
#else |
|
void GL_InitExtensionsBigGL() |
|
{ |
|
// intialize wrapper type |
|
glConfig.context = CONTEXT_TYPE_GL; |
|
glConfig.wrapper = GLES_WRAPPER_NONE; |
|
|
|
if( Q_stristr( glConfig.renderer_string, "geforce" )) |
|
glConfig.hardware_type = GLHW_NVIDIA; |
|
else if( Q_stristr( glConfig.renderer_string, "quadro fx" )) |
|
glConfig.hardware_type = GLHW_NVIDIA; |
|
else if( Q_stristr(glConfig.renderer_string, "rv770" )) |
|
glConfig.hardware_type = GLHW_RADEON; |
|
else if( Q_stristr(glConfig.renderer_string, "radeon hd" )) |
|
glConfig.hardware_type = GLHW_RADEON; |
|
else if( Q_stristr( glConfig.renderer_string, "eah4850" ) || Q_stristr( glConfig.renderer_string, "eah4870" )) |
|
glConfig.hardware_type = GLHW_RADEON; |
|
else if( Q_stristr( glConfig.renderer_string, "radeon" )) |
|
glConfig.hardware_type = GLHW_RADEON; |
|
else if( Q_stristr( glConfig.renderer_string, "intel" )) |
|
glConfig.hardware_type = GLHW_INTEL; |
|
else glConfig.hardware_type = GLHW_GENERIC; |
|
|
|
// multitexture |
|
glConfig.max_texture_units = glConfig.max_texture_coords = glConfig.max_teximage_units = 1; |
|
GL_CheckExtension( "GL_ARB_multitexture", multitexturefuncs, "gl_arb_multitexture", GL_ARB_MULTITEXTURE ); |
|
|
|
if( GL_Support( GL_ARB_MULTITEXTURE )) |
|
{ |
|
pglGetIntegerv( GL_MAX_TEXTURE_UNITS_ARB, &glConfig.max_texture_units ); |
|
} |
|
|
|
if( glConfig.max_texture_units == 1 ) |
|
GL_SetExtension( GL_ARB_MULTITEXTURE, false ); |
|
|
|
// 3d texture support |
|
GL_CheckExtension( "GL_EXT_texture3D", texture3dextfuncs, "gl_texture_3d", GL_TEXTURE_3D_EXT ); |
|
|
|
if( GL_Support( GL_TEXTURE_3D_EXT )) |
|
{ |
|
pglGetIntegerv( GL_MAX_3D_TEXTURE_SIZE, &glConfig.max_3d_texture_size ); |
|
|
|
if( glConfig.max_3d_texture_size < 32 ) |
|
{ |
|
GL_SetExtension( GL_TEXTURE_3D_EXT, false ); |
|
Con_Printf( S_ERROR "GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n" ); |
|
} |
|
} |
|
|
|
// 2d texture array support |
|
GL_CheckExtension( "GL_EXT_texture_array", texture3dextfuncs, "gl_texture_2d_array", GL_TEXTURE_ARRAY_EXT ); |
|
|
|
if( GL_Support( GL_TEXTURE_ARRAY_EXT )) |
|
pglGetIntegerv( GL_MAX_ARRAY_TEXTURE_LAYERS_EXT, &glConfig.max_2d_texture_layers ); |
|
|
|
// cubemaps support |
|
GL_CheckExtension( "GL_ARB_texture_cube_map", NULL, "gl_texture_cubemap", GL_TEXTURE_CUBEMAP_EXT ); |
|
|
|
if( GL_Support( GL_TEXTURE_CUBEMAP_EXT )) |
|
{ |
|
pglGetIntegerv( GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, &glConfig.max_cubemap_size ); |
|
|
|
// check for seamless cubemaps too |
|
GL_CheckExtension( "GL_ARB_seamless_cube_map", NULL, "gl_texture_cubemap_seamless", GL_ARB_SEAMLESS_CUBEMAP ); |
|
} |
|
|
|
GL_CheckExtension( "GL_ARB_texture_non_power_of_two", NULL, "gl_texture_npot", GL_ARB_TEXTURE_NPOT_EXT ); |
|
GL_CheckExtension( "GL_ARB_texture_compression", texturecompressionfuncs, "gl_dds_hardware_support", GL_TEXTURE_COMPRESSION_EXT ); |
|
GL_CheckExtension( "GL_EXT_texture_edge_clamp", NULL, "gl_clamp_to_edge", GL_CLAMPTOEDGE_EXT ); |
|
if( !GL_Support( GL_CLAMPTOEDGE_EXT )) |
|
GL_CheckExtension( "GL_SGIS_texture_edge_clamp", NULL, "gl_clamp_to_edge", GL_CLAMPTOEDGE_EXT ); |
|
|
|
glConfig.max_texture_anisotropy = 0.0f; |
|
GL_CheckExtension( "GL_EXT_texture_filter_anisotropic", NULL, "gl_ext_anisotropic_filter", GL_ANISOTROPY_EXT ); |
|
if( GL_Support( GL_ANISOTROPY_EXT )) |
|
pglGetFloatv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &glConfig.max_texture_anisotropy ); |
|
|
|
#ifdef _WIN32 // Win32 only drivers? |
|
// g-cont. because lodbias it too glitchy on Intel's cards |
|
if( glConfig.hardware_type != GLHW_INTEL ) |
|
#endif |
|
GL_CheckExtension( "GL_EXT_texture_lod_bias", NULL, "gl_texture_mipmap_biasing", GL_TEXTURE_LOD_BIAS ); |
|
|
|
if( GL_Support( GL_TEXTURE_LOD_BIAS )) |
|
pglGetFloatv( GL_MAX_TEXTURE_LOD_BIAS_EXT, &glConfig.max_texture_lod_bias ); |
|
|
|
GL_CheckExtension( "GL_ARB_texture_border_clamp", NULL, "gl_ext_texborder_clamp", GL_CLAMP_TEXBORDER_EXT ); |
|
GL_CheckExtension( "GL_ARB_depth_texture", NULL, "gl_depthtexture", GL_DEPTH_TEXTURE ); |
|
GL_CheckExtension( "GL_ARB_texture_float", NULL, "gl_arb_texture_float", GL_ARB_TEXTURE_FLOAT_EXT ); |
|
GL_CheckExtension( "GL_ARB_depth_buffer_float", NULL, "gl_arb_depth_float", GL_ARB_DEPTH_FLOAT_EXT ); |
|
GL_CheckExtension( "GL_EXT_gpu_shader4", NULL, NULL, GL_EXT_GPU_SHADER4 ); // don't confuse users |
|
GL_CheckExtension( "GL_ARB_shading_language_100", NULL, "gl_glslprogram", GL_SHADER_GLSL100_EXT ); |
|
GL_CheckExtension( "GL_ARB_vertex_buffer_object", vbofuncs, "gl_vertex_buffer_object", GL_ARB_VERTEX_BUFFER_OBJECT_EXT ); |
|
|
|
// rectangle textures support |
|
GL_CheckExtension( "GL_ARB_texture_rectangle", NULL, "gl_texture_rectangle", GL_TEXTURE_2D_RECT_EXT ); |
|
|
|
// this won't work without extended context |
|
if( glw_state.extended ) |
|
GL_CheckExtension( "GL_ARB_debug_output", debugoutputfuncs, "gl_debug_output", GL_DEBUG_OUTPUT ); |
|
|
|
if( GL_Support( GL_SHADER_GLSL100_EXT )) |
|
{ |
|
pglGetIntegerv( GL_MAX_TEXTURE_COORDS_ARB, &glConfig.max_texture_coords ); |
|
pglGetIntegerv( GL_MAX_TEXTURE_IMAGE_UNITS_ARB, &glConfig.max_teximage_units ); |
|
|
|
// check for hardware skinning |
|
pglGetIntegerv( GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB, &glConfig.max_vertex_uniforms ); |
|
pglGetIntegerv( GL_MAX_VERTEX_ATTRIBS_ARB, &glConfig.max_vertex_attribs ); |
|
|
|
#ifdef _WIN32 // Win32 only drivers? |
|
if( glConfig.hardware_type == GLHW_RADEON && glConfig.max_vertex_uniforms > 512 ) |
|
glConfig.max_vertex_uniforms /= 4; // radeon returns not correct info |
|
#endif |
|
} |
|
else |
|
{ |
|
// just get from multitexturing |
|
glConfig.max_texture_coords = glConfig.max_teximage_units = glConfig.max_texture_units; |
|
} |
|
|
|
pglGetIntegerv( GL_MAX_TEXTURE_SIZE, &glConfig.max_2d_texture_size ); |
|
if( glConfig.max_2d_texture_size <= 0 ) glConfig.max_2d_texture_size = 256; |
|
|
|
if( GL_Support( GL_TEXTURE_2D_RECT_EXT )) |
|
pglGetIntegerv( GL_MAX_RECTANGLE_TEXTURE_SIZE_EXT, &glConfig.max_2d_rectangle_size ); |
|
|
|
#ifndef XASH_GL_STATIC |
|
// enable gldebug if allowed |
|
if( GL_Support( GL_DEBUG_OUTPUT )) |
|
{ |
|
if( host_developer.value ) |
|
{ |
|
Con_Reportf( "Installing GL_DebugOutput...\n"); |
|
pglDebugMessageCallbackARB( GL_DebugOutput, NULL ); |
|
|
|
// force everything to happen in the main thread instead of in a separate driver thread |
|
pglEnable( GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB ); |
|
} |
|
|
|
// enable all the low priority messages |
|
pglDebugMessageControlARB( GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_LOW_ARB, 0, NULL, true ); |
|
} |
|
#endif |
|
} |
|
#endif |
|
|
|
void GL_InitExtensions( void ) |
|
{ |
|
// initialize gl extensions |
|
GL_CheckExtension( "OpenGL 1.1.0", opengl_110funcs, NULL, GL_OPENGL_110 ); |
|
|
|
// get our various GL strings |
|
glConfig.vendor_string = pglGetString( GL_VENDOR ); |
|
glConfig.renderer_string = pglGetString( GL_RENDERER ); |
|
glConfig.version_string = pglGetString( GL_VERSION ); |
|
glConfig.extensions_string = pglGetString( GL_EXTENSIONS ); |
|
Con_Reportf( "^3Video^7: %s\n", glConfig.renderer_string ); |
|
|
|
#ifdef XASH_GLES |
|
GL_InitExtensionsGLES(); |
|
#else |
|
GL_InitExtensionsBigGL(); |
|
#endif |
|
|
|
if( GL_Support( GL_TEXTURE_2D_RECT_EXT )) |
|
pglGetIntegerv( GL_MAX_RECTANGLE_TEXTURE_SIZE_EXT, &glConfig.max_2d_rectangle_size ); |
|
|
|
Cvar_Get( "gl_max_size", va( "%i", glConfig.max_2d_texture_size ), 0, "opengl texture max dims" ); |
|
Cvar_Set( "gl_anisotropy", va( "%f", bound( 0, gl_texture_anisotropy->value, glConfig.max_texture_anisotropy ))); |
|
|
|
if( GL_Support( GL_TEXTURE_COMPRESSION_EXT )) |
|
Image_AddCmdFlags( IL_DDS_HARDWARE ); |
|
|
|
// MCD has buffering issues |
|
#ifdef _WIN32 |
|
if( Q_strstr( glConfig.renderer_string, "gdi" )) |
|
Cvar_SetValue( "gl_finish", 1 ); |
|
#endif |
|
|
|
tr.framecount = tr.visframecount = 1; |
|
glw_state.initialized = true; |
|
} |
|
|
|
void GL_ClearExtensions( void ) |
|
{ |
|
// now all extensions are disabled |
|
memset( glConfig.extension, 0, sizeof( glConfig.extension )); |
|
glw_state.initialized = false; |
|
} |
|
|
|
//======================================================================= |
|
|
|
/* |
|
================= |
|
GL_InitCommands |
|
================= |
|
*/ |
|
void GL_InitCommands( void ) |
|
{ |
|
// system screen width and height (don't suppose for change from console at all) |
|
Cvar_Get( "width", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "screen width" ); |
|
Cvar_Get( "height", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "screen height" ); |
|
r_speeds = Cvar_Get( "r_speeds", "0", FCVAR_ARCHIVE, "shows renderer speeds" ); |
|
r_fullbright = Cvar_Get( "r_fullbright", "0", FCVAR_CHEAT, "disable lightmaps, get fullbright for entities" ); |
|
r_norefresh = Cvar_Get( "r_norefresh", "0", 0, "disable 3D rendering (use with caution)" ); |
|
r_showtree = Cvar_Get( "r_showtree", "0", FCVAR_ARCHIVE, "build the graph of visible BSP tree" ); |
|
r_lighting_extended = Cvar_Get( "r_lighting_extended", "1", FCVAR_ARCHIVE, "allow to get lighting from world and bmodels" ); |
|
r_lighting_modulate = Cvar_Get( "r_lighting_modulate", "0.6", FCVAR_ARCHIVE, "lightstyles modulate scale" ); |
|
r_lighting_ambient = Cvar_Get( "r_lighting_ambient", "0.3", FCVAR_ARCHIVE, "map ambient lighting scale" ); |
|
r_novis = Cvar_Get( "r_novis", "0", 0, "ignore vis information (perfomance test)" ); |
|
r_nocull = Cvar_Get( "r_nocull", "0", 0, "ignore frustrum culling (perfomance test)" ); |
|
r_detailtextures = Cvar_Get( "r_detailtextures", "1", FCVAR_ARCHIVE, "enable detail textures support, use '2' for autogenerate detail.txt" ); |
|
r_lockpvs = Cvar_Get( "r_lockpvs", "0", FCVAR_CHEAT, "lockpvs area at current point (pvs test)" ); |
|
r_lockfrustum = Cvar_Get( "r_lockfrustum", "0", FCVAR_CHEAT, "lock frustrum area at current point (cull test)" ); |
|
r_dynamic = Cvar_Get( "r_dynamic", "1", FCVAR_ARCHIVE, "allow dynamic lighting (dlights, lightstyles)" ); |
|
r_traceglow = Cvar_Get( "r_traceglow", "1", FCVAR_ARCHIVE, "cull flares behind models" ); |
|
r_lightmap = Cvar_Get( "r_lightmap", "0", FCVAR_CHEAT, "lightmap debugging tool" ); |
|
r_drawentities = Cvar_Get( "r_drawentities", "1", FCVAR_CHEAT, "render entities" ); |
|
r_decals = engine.Cvar_Find( "r_decals" ); |
|
window_xpos = Cvar_Get( "_window_xpos", "130", FCVAR_RENDERINFO, "window position by horizontal" ); |
|
window_ypos = Cvar_Get( "_window_ypos", "48", FCVAR_RENDERINFO, "window position by vertical" ); |
|
|
|
gl_extensions = Cvar_Get( "gl_allow_extensions", "1", FCVAR_GLCONFIG, "allow gl_extensions" ); |
|
gl_texture_nearest = Cvar_Get( "gl_texture_nearest", "0", FCVAR_ARCHIVE, "disable texture filter" ); |
|
gl_lightmap_nearest = Cvar_Get( "gl_lightmap_nearest", "0", FCVAR_ARCHIVE, "disable lightmap filter" ); |
|
gl_check_errors = Cvar_Get( "gl_check_errors", "1", FCVAR_ARCHIVE, "ignore video engine errors" ); |
|
gl_vsync = engine.Cvar_Find( "gl_vsync" ); |
|
gl_detailscale = Cvar_Get( "gl_detailscale", "4.0", FCVAR_ARCHIVE, "default scale applies while auto-generate list of detail textures" ); |
|
gl_texture_anisotropy = Cvar_Get( "gl_anisotropy", "8", FCVAR_ARCHIVE, "textures anisotropic filter" ); |
|
gl_texture_lodbias = Cvar_Get( "gl_texture_lodbias", "0.0", FCVAR_ARCHIVE, "LOD bias for mipmapped textures (perfomance|quality)" ); |
|
gl_keeptjunctions = Cvar_Get( "gl_keeptjunctions", "1", FCVAR_ARCHIVE, "removing tjuncs causes blinking pixels" ); |
|
gl_emboss_scale = Cvar_Get( "gl_emboss_scale", "0", FCVAR_ARCHIVE|FCVAR_LATCH, "fake bumpmapping scale" ); |
|
gl_showtextures = engine.Cvar_Find( "r_showtextures" ); |
|
gl_finish = Cvar_Get( "gl_finish", "0", FCVAR_ARCHIVE, "use glFinish instead of glFlush" ); |
|
gl_nosort = Cvar_Get( "gl_nosort", "0", FCVAR_ARCHIVE, "disable sorting of translucent surfaces" ); |
|
gl_clear = Cvar_Get( "gl_clear", "0", FCVAR_ARCHIVE, "clearing screen after each frame" ); |
|
gl_test = Cvar_Get( "gl_test", "0", 0, "engine developer cvar for quick testing new features" ); |
|
gl_wireframe = Cvar_Get( "gl_wireframe", "0", FCVAR_ARCHIVE|FCVAR_SPONLY, "show wireframe overlay" ); |
|
gl_wgl_msaa_samples = Cvar_Get( "gl_wgl_msaa_samples", "0", FCVAR_GLCONFIG, "samples number for multisample anti-aliasing" ); |
|
gl_msaa = Cvar_Get( "gl_msaa", "1", FCVAR_ARCHIVE, "enable or disable multisample anti-aliasing" ); |
|
gl_stencilbits = Cvar_Get( "gl_stencilbits", "8", FCVAR_GLCONFIG, "pixelformat stencil bits (0 - auto)" ); |
|
gl_round_down = Cvar_Get( "gl_round_down", "2", FCVAR_RENDERINFO, "round texture sizes to nearest POT value" ); |
|
// these cvar not used by engine but some mods requires this |
|
gl_polyoffset = Cvar_Get( "gl_polyoffset", "2.0", FCVAR_ARCHIVE, "polygon offset for decals" ); |
|
|
|
// make sure gl_vsync is checked after vid_restart |
|
SetBits( gl_vsync->flags, FCVAR_CHANGED ); |
|
|
|
vid_gamma = Cvar_Get( "gamma", "2.5", FCVAR_ARCHIVE, "gamma amount" ); |
|
vid_brightness = Cvar_Get( "brightness", "0.0", FCVAR_ARCHIVE, "brightness factor" ); |
|
vid_fullscreen = engine.Cvar_Find( "fullscreen" ); |
|
vid_displayfrequency = engine.Cvar_Find ( "vid_displayfrequency" ); |
|
vid_highdpi = Cvar_Get( "vid_highdpi", "1", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "enable High-DPI mode" ); |
|
|
|
Cmd_AddCommand( "r_info", R_RenderInfo_f, "display renderer info" ); |
|
Cmd_AddCommand( "timerefresh", SCR_TimeRefresh_f, "turn quickly and print rendering statistcs" ); |
|
|
|
// a1ba: planned to be named vid_mode for compability |
|
// but supported mode list is filled by backends, so numbers are not portable any more |
|
Cmd_AddCommand( "vid_setmode", VID_Mode_f, "display video mode" ); |
|
|
|
// give initial OpenGL configuration |
|
host.apply_opengl_config = true; |
|
Cbuf_AddText( "exec opengl.cfg\n" ); |
|
Cbuf_Execute(); |
|
host.apply_opengl_config = false; |
|
|
|
// apply actual video mode to window |
|
Cbuf_AddText( "exec video.cfg\n" ); |
|
Cbuf_Execute(); |
|
} |
|
|
|
/* |
|
=============== |
|
R_CheckVBO |
|
|
|
register VBO cvars and get default value |
|
=============== |
|
*/ |
|
static void R_CheckVBO( void ) |
|
{ |
|
const char *def = "1"; |
|
const char *dlightmode = "1"; |
|
int flags = FCVAR_ARCHIVE; |
|
qboolean disable = false; |
|
|
|
// some bad GLES1 implementations breaks dlights completely |
|
if( glConfig.max_texture_units < 3 ) |
|
disable = true; |
|
|
|
#ifdef XASH_MOBILE_PLATFORM |
|
// VideoCore4 drivers have a problem with mixing VBO and client arrays |
|
// Disable it, as there is no suitable workaround here |
|
if( Q_stristr( glConfig.renderer_string, "VideoCore IV" ) || Q_stristr( glConfig.renderer_string, "vc4" ) ) |
|
disable = true; |
|
|
|
// dlightmode 1 is not too much tested on android |
|
// so better to left it off |
|
dlightmode = "0"; |
|
#endif |
|
|
|
if( disable ) |
|
{ |
|
// do not keep in config unless dev > 3 and enabled |
|
flags = 0; |
|
def = "0"; |
|
} |
|
|
|
r_vbo = Cvar_Get( "r_vbo", def, flags, "draw world using VBO" ); |
|
r_vbo_dlightmode = Cvar_Get( "r_vbo_dlightmode", dlightmode, FCVAR_ARCHIVE, "vbo dlight rendering mode(0-1)" ); |
|
|
|
// check if enabled manually |
|
if( CVAR_TO_BOOL(r_vbo) ) |
|
r_vbo->flags |= FCVAR_ARCHIVE; |
|
} |
|
|
|
|
|
/* |
|
=============== |
|
R_Init |
|
=============== |
|
*/ |
|
qboolean R_Init( void ) |
|
{ |
|
if( glw_state.initialized ) |
|
return true; |
|
|
|
GL_InitCommands(); |
|
GL_InitRandomTable(); |
|
|
|
// Set screen resolution and fullscreen mode if passed in on command line. |
|
// This is done after executing opengl.cfg, as the command line values should take priority. |
|
SetWidthAndHeightFromCommandLine(); |
|
SetFullscreenModeFromCommandLine(); |
|
|
|
GL_SetDefaultState(); |
|
|
|
// create the window and set up the context |
|
if( !R_Init_Video( )) |
|
{ |
|
GL_RemoveCommands(); |
|
R_Free_Video(); |
|
|
|
Sys_Error( "Can't initialize video subsystem\nProbably driver was not installed" ); |
|
return false; |
|
} |
|
|
|
host.renderinfo_changed = false; |
|
r_temppool = Mem_AllocPool( "Render Zone" ); |
|
|
|
GL_SetDefaults(); |
|
R_CheckVBO(); |
|
R_InitImages(); |
|
R_SpriteInit(); |
|
R_StudioInit(); |
|
R_AliasInit(); |
|
R_ClearDecals(); |
|
R_ClearScene(); |
|
|
|
// initialize screen |
|
SCR_Init(); |
|
|
|
return true; |
|
} |
|
|
|
/* |
|
=============== |
|
R_Shutdown |
|
=============== |
|
*/ |
|
void R_Shutdown( void ) |
|
{ |
|
model_t *mod; |
|
int i; |
|
|
|
if( !glw_state.initialized ) |
|
return; |
|
|
|
// release SpriteTextures |
|
for( i = 1, mod = clgame.sprites; i < MAX_CLIENT_SPRITES; i++, mod++ ) |
|
{ |
|
if( !mod->name[0] ) continue; |
|
Mod_UnloadSpriteModel( mod ); |
|
} |
|
memset( clgame.sprites, 0, sizeof( clgame.sprites )); |
|
|
|
GL_RemoveCommands(); |
|
R_ShutdownImages(); |
|
|
|
Mem_FreePool( &r_temppool ); |
|
|
|
// shut down OS specific OpenGL stuff like contexts, etc. |
|
R_Free_Video(); |
|
} |
|
|
|
/* |
|
================= |
|
GL_ErrorString |
|
convert errorcode to string |
|
================= |
|
*/ |
|
const char *GL_ErrorString( int err ) |
|
{ |
|
switch( err ) |
|
{ |
|
case GL_STACK_OVERFLOW: |
|
return "GL_STACK_OVERFLOW"; |
|
case GL_STACK_UNDERFLOW: |
|
return "GL_STACK_UNDERFLOW"; |
|
case GL_INVALID_ENUM: |
|
return "GL_INVALID_ENUM"; |
|
case GL_INVALID_VALUE: |
|
return "GL_INVALID_VALUE"; |
|
case GL_INVALID_OPERATION: |
|
return "GL_INVALID_OPERATION"; |
|
case GL_OUT_OF_MEMORY: |
|
return "GL_OUT_OF_MEMORY"; |
|
default: |
|
return "UNKNOWN ERROR"; |
|
} |
|
} |
|
|
|
/* |
|
================= |
|
GL_CheckForErrors |
|
obsolete |
|
================= |
|
*/ |
|
void GL_CheckForErrors_( const char *filename, const int fileline ) |
|
{ |
|
int err; |
|
|
|
if( !CVAR_TO_BOOL( gl_check_errors )) |
|
return; |
|
|
|
if(( err = pglGetError( )) == GL_NO_ERROR ) |
|
return; |
|
|
|
Con_Printf( S_OPENGL_ERROR "%s (called at %s:%i)\n", GL_ErrorString( err ), filename, fileline ); |
|
} |
|
|
|
|