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mesa: initial ARB_depth_buffer_float support

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Using GL_NONE as DataType of Z32_FLOAT_X24S8, not sure what I should put there.
The spec says the type is n/a.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Marek Olšák
2011-06-01 15:48:51 +02:00
parent f0a7e28e29
commit 1165280cbd
9 changed files with 125 additions and 6 deletions
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19
src/mesa/main/fbobject.c
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@@ -1131,6 +1131,16 @@ _mesa_base_fbo_format(struct gl_context *ctx, GLenum internalFormat)
return GL_DEPTH_STENCIL_EXT;
else
return 0;
case GL_DEPTH_COMPONENT32F:
if (ctx->Extensions.ARB_depth_buffer_float)
return GL_DEPTH_COMPONENT;
else
return 0;
case GL_DEPTH32F_STENCIL8:
if (ctx->Extensions.ARB_depth_buffer_float)
return GL_DEPTH_STENCIL;
else
return 0;
case GL_RED:
case GL_R8:
case GL_R16:
@@ -2266,6 +2276,15 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
/* special cases */
*params = GL_INDEX;
}
else if (format == MESA_FORMAT_Z32_FLOAT_X24S8) {
/* depends on the attachment parameter */
if (attachment == GL_STENCIL_ATTACHMENT) {
*params = GL_INDEX;
}
else {
*params = GL_FLOAT;
}
}
else {
*params = _mesa_get_format_datatype(format);
}