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change initialization of renderbuffer DepthBits

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This commit is contained in:
Brian Paul 2005-10-04 14:48:24 +00:00
parent 199ef86b5e
commit eb063cfa38
2 changed files with 13 additions and 3 deletions
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5
src/mesa/main/framebuffer.c
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@ -319,6 +319,11 @@ _mesa_update_draw_buffer_bounds(GLcontext *ctx)
* change depending on the renderbuffer bindings. This function updates
* the given framebuffer's Visual from the current renderbuffer bindings.
* This is only intended for user-created framebuffers.
*
* Also note: ctx->DrawBuffer->Visual.depthBits might not equal
* ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer.DepthBits.
* The former one is used to convert floating point depth values into
* integer Z values.
*/
void
_mesa_update_framebuffer_visual(struct gl_framebuffer *fb)

11
src/mesa/main/renderbuffer.c
View file

@ -1045,7 +1045,7 @@ soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
rb->PutMonoRow = put_mono_row_ushort;
rb->PutValues = put_values_ushort;
rb->PutMonoValues = put_mono_values_ushort;
/*rb->DepthBits not set here */
rb->DepthBits = 8 * sizeof(GLushort);
pixelSize = sizeof(GLushort);
break;
case GL_DEPTH_COMPONENT24:
@ -1060,7 +1060,10 @@ soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
rb->PutMonoRow = put_mono_row_uint;
rb->PutValues = put_values_uint;
rb->PutMonoValues = put_mono_values_uint;
/* rb->DepthBits not set here */
if (internalFormat == GL_DEPTH_COMPONENT24)
rb->DepthBits = 24;
else
rb->DepthBits = 32;
pixelSize = sizeof(GLuint);
break;
case GL_COLOR_INDEX8_EXT:
@ -1711,10 +1714,12 @@ _mesa_add_depth_renderbuffer(GLcontext *ctx, struct gl_framebuffer *fb,
if (depthBits <= 16) {
rb->InternalFormat = GL_DEPTH_COMPONENT16;
}
else if (depthBits <= 24) {
rb->InternalFormat = GL_DEPTH_COMPONENT24;
}
else {
rb->InternalFormat = GL_DEPTH_COMPONENT32;
}
rb->DepthBits = depthBits;
rb->AllocStorage = soft_renderbuffer_storage;
_mesa_add_renderbuffer(fb, BUFFER_DEPTH, rb);