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Clear mips/slices in overlay on GL to avoid undefined contents

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This commit is contained in:
baldurk
2020-03-19 11:34:20 +00:00
parent 7b8eeaa8c4
commit f8a6cbb0c7
2 changed files with 32 additions and 0 deletions
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renderdoc/driver/gl/gl_overlay.cpp
+20
View File
@@ -419,6 +419,26 @@ ResourceId GLReplay::RenderOverlay(ResourceId texid, const Subresource &sub, Com
drv.glTexParameteri(texBindingEnum, eGL_TEXTURE_WRAP_S, eGL_CLAMP_TO_EDGE);
drv.glTexParameteri(texBindingEnum, eGL_TEXTURE_WRAP_T, eGL_CLAMP_TO_EDGE);
}
// clear all mips first
drv.glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
drv.glDisable(eGL_BLEND);
drv.glDisable(eGL_SCISSOR_TEST);
drv.glDepthMask(GL_FALSE);
drv.glDisable(eGL_CULL_FACE);
drv.glDisable(eGL_DEPTH_TEST);
drv.glDisable(eGL_STENCIL_TEST);
drv.glStencilMask(0);
GLfloat black[4] = {};
for(GLint i = 0; i < texMips; i++)
{
drv.glFramebufferTexture2D(eGL_FRAMEBUFFER, eGL_COLOR_ATTACHMENT0, texBindingEnum,
DebugData.overlayTex, i);
drv.glClearBufferfv(eGL_COLOR, 0, black);
}
// bind the desired mip
drv.glFramebufferTexture2D(eGL_FRAMEBUFFER, eGL_COLOR_ATTACHMENT0, texBindingEnum,
DebugData.overlayTex, sub.mip);
util/test/demos/gl/gl_overlay_test.cpp
+12
View File
@@ -192,6 +192,18 @@ void main()
GLuint subfbo = MakeFBO();
glBindFramebuffer(GL_FRAMEBUFFER, subfbo);
// clear all mips/slices first
GLfloat black[4] = {};
for(GLint s = 0; s < 5; s++)
{
for(GLint m = 0; m < 4; m++)
{
glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, subtex, m, s);
glClearBufferfv(GL_COLOR, 0, black);
}
}
glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, subtex, 2, 2);
while(Running())