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swiftshader
Commit b79fc9f9 by Nicolas Capens
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Don't restrict format combinations on CopyTexSubImage.

CopyTexSubImage does not have the format combination restriction that CopyTexImage has. The destination may have components not present in the source image. Bug 21610276 Change-Id: I90f4c0679ceb1061b05a404aa6ca817205b5077f Reviewed-on: https://swiftshader-review.googlesource.com/3361Tested-by: 's avatarNicolas Capens <capn@google.com> Reviewed-by: 's avatarNicolas Capens <capn@google.com>
parent e2b31f2f
Showing with 3 additions and 133 deletions
src/OpenGL/libGL/libGL.cpp
......@@ -1190,8 +1190,6 @@ void APIENTRY glCopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLi
return error(GL_INVALID_OPERATION);
}
gl::Renderbuffer *source = framebuffer->getColorbuffer();
GLenum colorbufferFormat = source->getFormat();
gl::Texture *texture = NULL;
if(target == GL_TEXTURE_2D)
......@@ -1209,62 +1207,6 @@ void APIENTRY glCopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLi
return;
}
GLenum textureFormat = texture->getFormat(target, level);
switch(textureFormat)
{
case GL_ALPHA:
if(colorbufferFormat != GL_ALPHA &&
colorbufferFormat != GL_RGBA &&
colorbufferFormat != GL_RGBA4 &&
colorbufferFormat != GL_RGB5_A1 &&
colorbufferFormat != GL_RGBA8_EXT)
{
return error(GL_INVALID_OPERATION);
}
break;
case GL_LUMINANCE:
case GL_RGB:
if(colorbufferFormat != GL_RGB &&
colorbufferFormat != GL_RGB565 &&
colorbufferFormat != GL_RGB8_EXT &&
colorbufferFormat != GL_RGBA &&
colorbufferFormat != GL_RGBA4 &&
colorbufferFormat != GL_RGB5_A1 &&
colorbufferFormat != GL_RGBA8_EXT)
{
return error(GL_INVALID_OPERATION);
}
break;
case GL_LUMINANCE_ALPHA:
case GL_RGBA:
if(colorbufferFormat != GL_RGBA &&
colorbufferFormat != GL_RGBA4 &&
colorbufferFormat != GL_RGB5_A1 &&
colorbufferFormat != GL_RGBA8_EXT)
{
return error(GL_INVALID_OPERATION);
}
break;
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
return error(GL_INVALID_OPERATION);
case GL_DEPTH_COMPONENT:
case GL_DEPTH_STENCIL_EXT:
return error(GL_INVALID_OPERATION);
case GL_BGRA_EXT:
if(colorbufferFormat != GL_RGB8)
{
UNIMPLEMENTED();
return error(GL_INVALID_OPERATION);
}
break;
default:
return error(GL_INVALID_ENUM);
}
texture->copySubImage(target, level, xoffset, yoffset, x, y, width, height, framebuffer);
}
}
......
src/OpenGL/libGLES_CM/libGLES_CM.cpp
......@@ -954,13 +954,13 @@ void CopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
return error(GL_INVALID_FRAMEBUFFER_OPERATION_OES);
}
if(context->getFramebufferName() != 0 && framebuffer->getColorbuffer()->getSamples() > 1)
es1::Renderbuffer *source = framebuffer->getColorbuffer();
if(context->getFramebufferName() != 0 && (!source || source->getSamples() > 1))
{
return error(GL_INVALID_OPERATION);
}
es1::Renderbuffer *source = framebuffer->getColorbuffer();
GLenum colorbufferFormat = source->getFormat();
es1::Texture *texture = NULL;
if(target == GL_TEXTURE_2D)
......@@ -974,62 +974,6 @@ void CopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
return;
}
GLenum textureFormat = texture->getFormat(target, level);
// [OpenGL ES 2.0.24] table 3.9
switch(textureFormat)
{
case GL_ALPHA:
if(colorbufferFormat != GL_ALPHA &&
colorbufferFormat != GL_RGBA &&
colorbufferFormat != GL_RGBA4_OES &&
colorbufferFormat != GL_RGB5_A1_OES &&
colorbufferFormat != GL_RGBA8_OES)
{
return error(GL_INVALID_OPERATION);
}
break;
case GL_LUMINANCE:
case GL_RGB:
if(colorbufferFormat != GL_RGB &&
colorbufferFormat != GL_RGB565_OES &&
colorbufferFormat != GL_RGB8_OES &&
colorbufferFormat != GL_RGBA &&
colorbufferFormat != GL_RGBA4_OES &&
colorbufferFormat != GL_RGB5_A1_OES &&
colorbufferFormat != GL_RGBA8_OES)
{
return error(GL_INVALID_OPERATION);
}
break;
case GL_LUMINANCE_ALPHA:
case GL_RGBA:
if(colorbufferFormat != GL_RGBA &&
colorbufferFormat != GL_RGBA4_OES &&
colorbufferFormat != GL_RGB5_A1_OES &&
colorbufferFormat != GL_RGBA8_OES)
{
return error(GL_INVALID_OPERATION);
}
break;
case GL_ETC1_RGB8_OES:
return error(GL_INVALID_OPERATION);
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
if(S3TC_SUPPORT)
{
return error(GL_INVALID_OPERATION);
}
else
{
return error(GL_INVALID_ENUM);
}
case GL_DEPTH_STENCIL_OES:
return error(GL_INVALID_OPERATION);
default:
return error(GL_INVALID_ENUM);
}
texture->copySubImage(target, level, xoffset, yoffset, x, y, width, height, framebuffer);
}
}
......
src/OpenGL/libGLESv2/libGLESv2.cpp
......@@ -1351,7 +1351,6 @@ void CopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
return error(GL_INVALID_OPERATION);
}
GLenum colorbufferFormat = source->getFormat();
es2::Texture *texture = NULL;
if(target == GL_TEXTURE_2D)
......@@ -1369,13 +1368,6 @@ void CopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
return;
}
GLenum textureFormat = texture->getFormat(target, level);
if(!validateColorBufferFormat(textureFormat, colorbufferFormat))
{
return;
}
texture->copySubImage(target, level, xoffset, yoffset, 0, x, y, width, height, framebuffer);
}
}
......@@ -6965,7 +6957,6 @@ void CopyTexSubImage3DOES(GLenum target, GLint level, GLint xoffset, GLint yoffs
return error(GL_INVALID_OPERATION);
}
GLenum colorbufferFormat = source->getFormat();
es2::Texture3D *texture = context->getTexture3D();
if(!validateSubImageParams(false, width, height, 1, xoffset, yoffset, zoffset, target, level, GL_NONE, texture))
......@@ -6973,13 +6964,6 @@ void CopyTexSubImage3DOES(GLenum target, GLint level, GLint xoffset, GLint yoffs
return;
}
GLenum textureFormat = texture->getFormat(target, level);
if(!validateColorBufferFormat(textureFormat, colorbufferFormat))
{
return;
}
texture->copySubImage(target, level, xoffset, yoffset, zoffset, x, y, width, height, framebuffer);
}
}
......
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