st_cb_fbo.h File Reference

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Data Structures
struct	st_renderbuffer
	Derived renderbuffer class. More...
Defines
#define	DEFAULT_ACCUM_PIPE_FORMAT   PIPE_FORMAT_R16G16B16A16_SNORM
Functions
static struct st_renderbuffer *	st_renderbuffer (struct gl_renderbuffer *rb)
struct gl_renderbuffer *	st_new_renderbuffer_fb (enum pipe_format format, int samples)
	Allocate a renderbuffer for a an on-screen window (not a user-created renderbuffer).
void	st_init_fbo_functions (struct dd_function_table *functions)

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Define Documentation

#define DEFAULT_ACCUM_PIPE_FORMAT   PIPE_FORMAT_R16G16B16A16_SNORM

Definition at line 33 of file st_cb_fbo.h.

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Function Documentation

void st_init_fbo_functions

(

struct dd_function_table *

functions

)

Definition at line 448 of file st_cb_fbo.c.

References st_bind_framebuffer(), st_finish_render_texture(), st_framebuffer_renderbuffer(), st_new_framebuffer(), st_new_renderbuffer(), and st_render_texture().

{
   functions->NewFramebuffer = st_new_framebuffer;
   functions->NewRenderbuffer = st_new_renderbuffer;
   functions->BindFramebuffer = st_bind_framebuffer;
   functions->FramebufferRenderbuffer = st_framebuffer_renderbuffer;
   functions->RenderTexture = st_render_texture;
   functions->FinishRenderTexture = st_finish_render_texture;
   /* no longer needed by core Mesa, drivers handle resizes...
   functions->ResizeBuffers = st_resize_buffers;
   */
}

struct gl_renderbuffer* st_new_renderbuffer_fb	(	enum pipe_format	format,
		int	samples
	)			[read]

Allocate a renderbuffer for a an on-screen window (not a user-created renderbuffer).

The window system code determines the format.

Definition at line 254 of file st_cb_fbo.c.

References st_renderbuffer::Base, CALLOC_STRUCT, DEFAULT_ACCUM_PIPE_FORMAT, st_renderbuffer::format, null_get_pointer(), PIPE_FORMAT_A1R5G5B5_UNORM, PIPE_FORMAT_A4R4G4B4_UNORM, PIPE_FORMAT_A8R8G8B8_UNORM, PIPE_FORMAT_B8G8R8A8_UNORM, PIPE_FORMAT_B8G8R8X8_UNORM, PIPE_FORMAT_R5G6B5_UNORM, PIPE_FORMAT_S8_UNORM, PIPE_FORMAT_S8Z24_UNORM, PIPE_FORMAT_X8R8G8B8_UNORM, PIPE_FORMAT_X8Z24_UNORM, PIPE_FORMAT_Z16_UNORM, PIPE_FORMAT_Z24S8_UNORM, PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_Z32_UNORM, st_renderbuffer_alloc_storage(), st_renderbuffer_delete(), and st_renderbuffer::surface.

{
   struct st_renderbuffer *strb;

   strb = CALLOC_STRUCT(st_renderbuffer);
   if (!strb) {
      _mesa_error(NULL, GL_OUT_OF_MEMORY, "creating renderbuffer");
      return NULL;
   }

   _mesa_init_renderbuffer(&strb->Base, 0);
   strb->Base.ClassID = 0x4242; /* just a unique value */
   strb->Base.Samples = samples;
   strb->format = format;

   switch (format) {
   case PIPE_FORMAT_A8R8G8B8_UNORM:
   case PIPE_FORMAT_B8G8R8A8_UNORM:
   case PIPE_FORMAT_X8R8G8B8_UNORM:
   case PIPE_FORMAT_B8G8R8X8_UNORM:
   case PIPE_FORMAT_A1R5G5B5_UNORM:
   case PIPE_FORMAT_A4R4G4B4_UNORM:
   case PIPE_FORMAT_R5G6B5_UNORM:
      strb->Base.InternalFormat = GL_RGBA;
      strb->Base._BaseFormat = GL_RGBA;
      break;
   case PIPE_FORMAT_Z16_UNORM:
      strb->Base.InternalFormat = GL_DEPTH_COMPONENT16;
      strb->Base._BaseFormat = GL_DEPTH_COMPONENT;
      break;
   case PIPE_FORMAT_Z32_UNORM:
      strb->Base.InternalFormat = GL_DEPTH_COMPONENT32;
      strb->Base._BaseFormat = GL_DEPTH_COMPONENT;
      break;
   case PIPE_FORMAT_S8Z24_UNORM:
   case PIPE_FORMAT_Z24S8_UNORM:
   case PIPE_FORMAT_X8Z24_UNORM:
   case PIPE_FORMAT_Z24X8_UNORM:
      strb->Base.InternalFormat = GL_DEPTH24_STENCIL8_EXT;
      strb->Base._BaseFormat = GL_DEPTH_STENCIL_EXT;
      break;
   case PIPE_FORMAT_S8_UNORM:
      strb->Base.InternalFormat = GL_STENCIL_INDEX8_EXT;
      strb->Base._BaseFormat = GL_STENCIL_INDEX;
      break;
   case DEFAULT_ACCUM_PIPE_FORMAT: /*PIPE_FORMAT_R16G16B16A16_SNORM*/
      strb->Base.InternalFormat = GL_RGBA16;
      strb->Base._BaseFormat = GL_RGBA;
      break;
   default:
      _mesa_problem(NULL,
                    "Unexpected format in st_new_renderbuffer_fb");
      return NULL;
   }

   /* st-specific methods */
   strb->Base.Delete = st_renderbuffer_delete;
   strb->Base.AllocStorage = st_renderbuffer_alloc_storage;
   strb->Base.GetPointer = null_get_pointer;

   /* surface is allocated in st_renderbuffer_alloc_storage() */
   strb->surface = NULL;

   return &strb->Base;
}

static struct st_renderbuffer* st_renderbuffer

(

struct gl_renderbuffer *

rb

)

[static, read]

Definition at line 58 of file st_cb_fbo.h.

{
   return (struct st_renderbuffer *) rb;
}

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