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Ensure that (where available) clip control is set for overlay text

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baldurk
2015-02-26 17:36:04 +00:00
parent 12519df942
commit 3904fb636d
1 changed files with 18 additions and 0 deletions
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renderdoc/driver/gl/gl_driver.cpp
+18
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@@ -1197,6 +1197,7 @@ void WrappedOpenGL::WindowSize(void *windowHandle, uint32_t w, uint32_t h)
struct RenderTextState
{
bool enableBits[8];
GLenum ClipOrigin, ClipDepth;
GLenum EquationRGB, EquationAlpha;
GLenum SourceRGB, SourceAlpha;
GLenum DestinationRGB, DestinationAlpha;
@@ -1217,6 +1218,17 @@ struct RenderTextState
enableBits[4] = gl.glIsEnabled(eGL_CULL_FACE) != 0;
enableBits[5] = gl.glIsEnabledi(eGL_SCISSOR_TEST, 0) != 0;
if(GLCoreVersion >= 45 || ExtensionSupported[ExtensionSupported_ARB_clip_control])
{
gl.glGetIntegerv(eGL_CLIP_ORIGIN, (GLint *)&ClipOrigin);
gl.glGetIntegerv(eGL_CLIP_DEPTH_MODE, (GLint *)&ClipDepth);
}
else
{
ClipOrigin = eGL_LOWER_LEFT;
ClipDepth = eGL_NEGATIVE_ONE_TO_ONE;
}
gl.glGetIntegeri_v(eGL_BLEND_EQUATION_RGB, 0, (GLint*)&EquationRGB);
gl.glGetIntegeri_v(eGL_BLEND_EQUATION_ALPHA, 0, (GLint*)&EquationAlpha);
@@ -1262,6 +1274,9 @@ struct RenderTextState
if(enableBits[3]) gl.glEnable(eGL_STENCIL_TEST); else gl.glDisable(eGL_STENCIL_TEST);
if(enableBits[4]) gl.glEnable(eGL_CULL_FACE); else gl.glDisable(eGL_CULL_FACE);
if(enableBits[5]) gl.glEnablei(eGL_SCISSOR_TEST, 0); else gl.glDisablei(eGL_SCISSOR_TEST, 0);
if(gl.glClipControl && (GLCoreVersion >= 45 || ExtensionSupported[ExtensionSupported_ARB_clip_control])) // only available in 4.5+
gl.glClipControl(ClipOrigin, ClipDepth);
gl.glBlendFuncSeparatei(0, SourceRGB, DestinationRGB, SourceAlpha, DestinationAlpha);
gl.glBlendEquationSeparatei(0, EquationRGB, EquationAlpha);
@@ -1371,6 +1386,9 @@ void WrappedOpenGL::RenderOverlayStr(float x, float y, const char *text)
gl.glDisablei(eGL_SCISSOR_TEST, 0);
gl.glPolygonMode(eGL_FRONT_AND_BACK, eGL_FILL);
if(gl.glClipControl && (GLCoreVersion >= 45 || ExtensionSupported[ExtensionSupported_ARB_clip_control])) // only available in 4.5+
gl.glClipControl(eGL_LOWER_LEFT, eGL_NEGATIVE_ONE_TO_ONE);
// bind UBOs
gl.glBindBufferBase(eGL_UNIFORM_BUFFER, 0, ctxdata.GeneralUBO);
gl.glBindBufferBase(eGL_UNIFORM_BUFFER, 1, ctxdata.GlyphUBO);