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wined3d: Make sure the rtInternal format is supported.

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Henri Verbeet 2009-07-02 10:01:34 +02:00 committed by Alexandre Julliard
parent 216ca479f2
commit 6feb7c62ca
1 changed files with 67 additions and 39 deletions
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106
dlls/wined3d/utils.c
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@ -558,30 +558,90 @@ static BOOL init_format_compression_info(WineD3D_GL_Info *gl_info)
#define GLINFO_LOCATION (*gl_info)
/* Context activation is done by the caller. */
static BOOL check_fbo_compat(const WineD3D_GL_Info *gl_info, GLint internal_format, GLenum format, GLenum type)
static void check_fbo_compat(const WineD3D_GL_Info *gl_info, struct GlPixelFormatDesc *format_desc)
{
/* Check if the default internal format is supported as a frame buffer
* target, otherwise fall back to the render target internal.
*
* Try to stick to the standard format if possible, this limits precision differences. */
GLenum status;
GLuint tex;
ENTER_GL();
while(glGetError());
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
glTexImage2D(GL_TEXTURE_2D, 0, internal_format, 16, 16, 0, format, type, NULL);
glTexImage2D(GL_TEXTURE_2D, 0, format_desc->glInternal, 16, 16, 0,
format_desc->glFormat, format_desc->glType, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
GL_EXTCALL(glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, tex, 0));
status = GL_EXTCALL(glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT));
glDeleteTextures(1, &tex);
checkGLcall("Framebuffer format check");
LEAVE_GL();
if (status == GL_FRAMEBUFFER_COMPLETE_EXT)
{
TRACE("Format %s is supported as FBO color attachment\n", debug_d3dformat(format_desc->format));
format_desc->Flags |= WINED3DFMT_FLAG_FBO_ATTACHABLE;
format_desc->rtInternal = format_desc->glInternal;
}
else
{
if (!format_desc->rtInternal)
{
if (format_desc->Flags & WINED3DFMT_FLAG_RENDERTARGET)
{
FIXME("Format %s with rendertarget flag is not supported as FBO color attachment,"
" and no fallback specified.\n", debug_d3dformat(format_desc->format));
format_desc->Flags &= ~WINED3DFMT_FLAG_RENDERTARGET;
}
else
{
TRACE("Format %s is not supported as FBO color attachment.\n", debug_d3dformat(format_desc->format));
}
format_desc->rtInternal = format_desc->glInternal;
}
else
{
TRACE("Format %s is not supported as FBO color attachment, trying rtInternal format as fallback.\n",
debug_d3dformat(format_desc->format));
return status == GL_FRAMEBUFFER_COMPLETE_EXT;
while(glGetError());
GL_EXTCALL(glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, 0, 0));
glTexImage2D(GL_TEXTURE_2D, 0, format_desc->rtInternal, 16, 16, 0,
format_desc->glFormat, format_desc->glType, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
GL_EXTCALL(glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, tex, 0));
status = GL_EXTCALL(glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT));
checkGLcall("Framebuffer format check");
if (status == GL_FRAMEBUFFER_COMPLETE_EXT)
{
TRACE("Format %s rtInternal format is supported as FBO color attachment\n",
debug_d3dformat(format_desc->format));
}
else
{
FIXME("Format %s rtInternal format is not supported as FBO color attachment.\n",
debug_d3dformat(format_desc->format));
format_desc->Flags &= ~WINED3DFMT_FLAG_RENDERTARGET;
}
}
}
glDeleteTextures(1, &tex);
LEAVE_GL();
}
/* Context activation is done by the caller. */
@ -623,39 +683,7 @@ static void init_format_fbo_compat_info(WineD3D_GL_Info *gl_info)
if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
{
TRACE("Checking if format %s is supported as FBO color attachment...\n", debug_d3dformat(desc->format));
/* Check if the default internal format is supported as a frame buffer target, otherwise
* fall back to the render target internal.
*
* Try to stick to the standard format if possible, this limits precision differences. */
if (check_fbo_compat(gl_info, desc->glInternal, desc->glFormat, desc->glType))
{
TRACE("Format %s is supported as FBO color attachment\n", debug_d3dformat(desc->format));
desc->Flags |= WINED3DFMT_FLAG_FBO_ATTACHABLE;
desc->rtInternal = desc->glInternal;
}
else
{
if (!desc->rtInternal)
{
if (desc->Flags & WINED3DFMT_FLAG_RENDERTARGET)
{
FIXME("Format %s with rendertarget flag is not supported as FBO color attachment,"
" and no fallback specified.\n", debug_d3dformat(desc->format));
desc->Flags &= ~WINED3DFMT_FLAG_RENDERTARGET;
}
else
{
TRACE("Format %s is not supported as FBO color attachment.\n", debug_d3dformat(desc->format));
}
desc->rtInternal = desc->glInternal;
}
else
{
TRACE("Format %s is not supported as FBO color attachment, using rtInternal format as fallback.\n",
debug_d3dformat(desc->format));
}
}
check_fbo_compat(gl_info, desc);
}
else
{