return GL_FALSE; /* not implemented */
}
else {
+ enum pipe_format colorFormat, depthFormat, stencilFormat;
struct intel_framebuffer *intelfb = CALLOC_STRUCT(intel_framebuffer);
+
if (!intelfb)
return GL_FALSE;
- intelfb->stfb = st_create_framebuffer(visual, GL_TRUE, (void*) intelfb);
+ if (visual->redBits == 5)
+ colorFormat = PIPE_FORMAT_R5G6B5_UNORM;
+ else
+ colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM;
+
+ if (visual->depthBits == 16)
+ depthFormat = PIPE_FORMAT_Z16_UNORM;
+ else if (visual->depthBits == 24)
+ depthFormat = PIPE_FORMAT_S8Z24_UNORM;
+ else
+ depthFormat = PIPE_FORMAT_NONE;
+
+ if (visual->stencilBits == 8)
+ stencilFormat = PIPE_FORMAT_S8Z24_UNORM;
+ else
+ stencilFormat = PIPE_FORMAT_NONE;
+
+ intelfb->stfb = st_create_framebuffer(visual, GL_TRUE,
+ colorFormat,
+ depthFormat,
+ stencilFormat,
+ (void*) intelfb);
if (!intelfb->stfb) {
free(intelfb);
return GL_FALSE;
case PIPE_FORMAT_A1R5G5B5_UNORM:
/*a1r5g5b5_put_tile(ps, x, y, w, h, p);*/
break;
+ case PIPE_FORMAT_R5G6B5_UNORM:
+ case PIPE_FORMAT_R8G8B8A8_UNORM:
+ /* XXX need these */
+ fprintf(stderr, "unsup pipe format in softpipe_put_tile_rgba()\n");
+ break;
case PIPE_FORMAT_U_L8:
/*l8_put_tile(ps, x, y, w, h, p);*/
break;
}
+/**
+ * Choose the pixel format for the given visual.
+ * This will tell the gallium driver how to pack pixel data into
+ * drawing surfaces.
+ */
+static GLuint
+choose_pixel_format(XMesaVisual v)
+{
+ if ( GET_REDMASK(v) == 0x0000ff
+ && GET_GREENMASK(v) == 0x00ff00
+ && GET_BLUEMASK(v) == 0xff0000
+ && v->BitsPerPixel == 32) {
+ if (CHECK_BYTE_ORDER(v)) {
+ /* no byteswapping needed */
+ return 0 /* PIXEL_FORMAT_U_A8_B8_G8_R8 */;
+ }
+ else {
+ return PIPE_FORMAT_R8G8B8A8_UNORM;
+ }
+ }
+ else if ( GET_REDMASK(v) == 0xff0000
+ && GET_GREENMASK(v) == 0x00ff00
+ && GET_BLUEMASK(v) == 0x0000ff
+ && v->BitsPerPixel == 32) {
+ if (CHECK_BYTE_ORDER(v)) {
+ /* no byteswapping needed */
+ return PIPE_FORMAT_A8R8G8B8_UNORM;
+ }
+ else {
+ return PIPE_FORMAT_B8G8R8A8_UNORM;
+ }
+ }
+ else if ( GET_REDMASK(v) == 0xf800
+ && GET_GREENMASK(v) == 0x07e0
+ && GET_BLUEMASK(v) == 0x001f
+ && CHECK_BYTE_ORDER(v)
+ && v->BitsPerPixel == 16) {
+ /* 5-6-5 RGB */
+ return PIPE_FORMAT_R5G6B5_UNORM;
+ }
+
+ assert(0);
+ return 0;
+}
+
+
/**********************************************************************/
/***** Linked list of XMesaBuffers *****/
{
XMesaBuffer b;
GLframebuffer *fb;
+ enum pipe_format colorFormat, depthFormat, stencilFormat;
ASSERT(type == WINDOW || type == PIXMAP || type == PBUFFER);
b->type = type;
b->cmap = cmap;
+ /* determine PIPE_FORMATs for buffers */
+ colorFormat = choose_pixel_format(vis);
+
+ if (vis->mesa_visual.depthBits == 0)
+ depthFormat = PIPE_FORMAT_NONE;
+ else if (vis->mesa_visual.depthBits <= 16)
+ depthFormat = PIPE_FORMAT_Z16_UNORM;
+ else if (vis->mesa_visual.depthBits <= 24)
+ depthFormat = PIPE_FORMAT_S8Z24_UNORM;
+ else
+ depthFormat = PIPE_FORMAT_Z32_UNORM;
+
+ if (vis->mesa_visual.stencilBits == 8) {
+ if (depthFormat == PIPE_FORMAT_S8Z24_UNORM)
+ stencilFormat = depthFormat;
+ else
+ stencilFormat = PIPE_FORMAT_S8_UNORM;
+ }
+ else {
+ stencilFormat = PIPE_FORMAT_NONE;
+ }
+
+
/*
* Create framebuffer, but we'll plug in our own renderbuffers below.
*/
- b->stfb = st_create_framebuffer(&vis->mesa_visual, GL_TRUE, (void *) b);
+ b->stfb = st_create_framebuffer(&vis->mesa_visual, GL_TRUE,
+ colorFormat, depthFormat, stencilFormat,
+ (void *) b);
fb = &b->stfb->Base;
/*
/**********************************************************************/
-/**
- * Choose the pixel format for the given visual.
- * This will tell the gallium driver how to pack pixel data into
- * drawing surfaces.
- */
-static GLuint
-choose_pixel_format(XMesaVisual v)
-{
- if ( GET_REDMASK(v) == 0x0000ff
- && GET_GREENMASK(v) == 0x00ff00
- && GET_BLUEMASK(v) == 0xff0000
- && v->BitsPerPixel == 32) {
- if (CHECK_BYTE_ORDER(v)) {
- /* no byteswapping needed */
- return 0 /* PIXEL_FORMAT_U_A8_B8_G8_R8 */;
- }
- else {
- return PIPE_FORMAT_R8G8B8A8_UNORM;
- }
- }
- else if ( GET_REDMASK(v) == 0xff0000
- && GET_GREENMASK(v) == 0x00ff00
- && GET_BLUEMASK(v) == 0x0000ff
- && v->BitsPerPixel == 32) {
- if (CHECK_BYTE_ORDER(v)) {
- /* no byteswapping needed */
- return PIPE_FORMAT_A8R8G8B8_UNORM;
- }
- else {
- return PIPE_FORMAT_B8G8R8A8_UNORM;
- }
- }
- else if ( GET_REDMASK(v) == 0xf800
- && GET_GREENMASK(v) == 0x07e0
- && GET_BLUEMASK(v) == 0x001f
- && CHECK_BYTE_ORDER(v)
- && v->BitsPerPixel == 16) {
- /* 5-6-5 RGB */
- return PIPE_FORMAT_R5G6B5_UNORM;
- }
-
- assert(0);
- return 0;
-}
-
-
/**
* When a context is bound for the first time, we can finally finish
* initializing the context's visual and buffer information.
{
struct pipe_context *pipe = ctx->st->pipe;
struct st_renderbuffer *strb = st_renderbuffer(rb);
- uint type = strb->screenSurface ? PIPE_SCREEN_SURFACE : PIPE_SURFACE;
- const enum pipe_format pipeFormat
- = st_choose_pipe_format(pipe, internalFormat, GL_NONE, GL_NONE, type);
+ enum pipe_format pipeFormat;
GLbitfield flags = 0x0; /* XXX needed? */
if (!strb->surface) {
pipe->winsys->buffer_reference(pipe->winsys, &strb->surface->buffer,
NULL);
+ /* Determine surface format here */
+ if (strb->format != PIPE_FORMAT_NONE) {
+ assert(strb->format != 0);
+ /* we'll hit this for front/back color bufs */
+ pipeFormat = strb->format;
+ }
+ else {
+ pipeFormat = st_choose_renderbuffer_format(pipe, internalFormat);
+ }
+
+ init_renderbuffer_bits(strb, pipeFormat);
+
pipe->winsys->surface_alloc_storage(pipe->winsys,
strb->surface,
width,
strb->Base.Delete = st_renderbuffer_delete;
strb->Base.AllocStorage = st_renderbuffer_alloc_storage;
strb->Base.GetPointer = null_get_pointer;
+ strb->format = PIPE_FORMAT_NONE;
return &strb->Base;
}
return NULL;
/**
* Allocate a renderbuffer for a an on-screen window (not a user-created
- * renderbuffer). The window system code determines the internal format.
- * \param screenSurface indicates if the renderbuffer is a front/back color
- * buffer that'll be displayed/copied to the screen
+ * renderbuffer). The window system code determines the format.
*/
struct gl_renderbuffer *
-st_new_renderbuffer_fb(GLenum intFormat, GLboolean screenSurface)
+st_new_renderbuffer_fb(enum pipe_format format)
{
struct st_renderbuffer *strb;
_mesa_init_renderbuffer(&strb->Base, 0);
strb->Base.ClassID = 0x4242; /* just a unique value */
- strb->Base.InternalFormat = intFormat;
- strb->screenSurface = screenSurface;
-
- switch (intFormat) {
- case GL_RGB5:
- case GL_RGBA8:
- case GL_RGBA16:
+ strb->format = format;
+
+ switch (format) {
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_B8G8R8A8_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 GL_DEPTH_COMPONENT16:
- case GL_DEPTH_COMPONENT32:
+ case PIPE_FORMAT_Z16_UNORM:
+ strb->Base.InternalFormat = GL_DEPTH_COMPONENT16;
strb->Base._BaseFormat = GL_DEPTH_COMPONENT;
break;
- case GL_DEPTH24_STENCIL8_EXT:
+ 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:
+ strb->Base.InternalFormat = GL_DEPTH24_STENCIL8_EXT;
strb->Base._BaseFormat = GL_DEPTH_STENCIL_EXT;
break;
- case GL_STENCIL_INDEX8_EXT:
- strb->Base._BaseFormat = GL_STENCIL_INDEX;
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ strb->Base.InternalFormat = GL_RGBA16;
+ strb->Base._BaseFormat = GL_RGBA;
break;
default:
_mesa_problem(NULL,
- "Unexpected intFormat in st_new_renderbuffer");
+ "Unexpected format in st_new_renderbuffer_fb");
return NULL;
}
+
/**
* Called via ctx->Driver.BindFramebufferEXT().
*/
{
struct gl_renderbuffer Base;
struct pipe_surface *surface;
- GLboolean screenSurface; /**< A front/back colorbuffer? */
+ enum pipe_format format; /** preferred format, or PIPE_FORMAT_NONE */
};
extern struct gl_renderbuffer *
-st_new_renderbuffer_fb(GLenum intFormat, GLboolean screen_surface);
-
+st_new_renderbuffer_fb(enum pipe_format format);
extern void
st_init_fbo_functions(struct dd_function_table *functions);
default_rgba_format(struct pipe_context *pipe, uint type)
{
static const enum pipe_format colorFormats[] = {
- PIPE_FORMAT_R8G8B8A8_UNORM,
PIPE_FORMAT_A8R8G8B8_UNORM,
PIPE_FORMAT_B8G8R8A8_UNORM,
+ PIPE_FORMAT_R8G8B8A8_UNORM,
PIPE_FORMAT_R5G6B5_UNORM
};
uint i;
/**
- * Choose the PIPE_FORMAT_ to use for storing a texture image based
- * on the user's internalFormat, format and type parameters.
- * We query the pipe device for a list of formats which it supports
- * and choose from them.
- * If we find a device that needs a more intricate selection mechanism,
- * this function _could_ get pushed down into the pipe device.
- *
- * Note: also used for glRenderbufferStorageEXT()
- *
- * Note: format and type may be GL_NONE (see renderbuffers)
+ * Choose the PIPE_FORMAT_ to use for user-created renderbuffers.
*
* \return PIPE_FORMAT_NONE if error/problem.
*/
-GLuint
-st_choose_pipe_format(struct pipe_context *pipe, GLint internalFormat,
- GLenum format, GLenum type, uint surfType)
+enum pipe_format
+st_choose_renderbuffer_format(struct pipe_context *pipe, GLint internalFormat)
{
- assert(surfType == PIPE_TEXTURE ||
- surfType == PIPE_SURFACE ||
- surfType == PIPE_SCREEN_SURFACE);
+ uint surfType = PIPE_SURFACE;
switch (internalFormat) {
case 4:
case GL_RGBA:
case GL_COMPRESSED_RGBA:
- if (format == GL_BGRA) {
- if (type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_INT_8_8_8_8_REV) {
- if (pipe->is_format_supported( pipe, PIPE_FORMAT_A8R8G8B8_UNORM, surfType ))
- return PIPE_FORMAT_A8R8G8B8_UNORM;
- }
- else if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
- if (pipe->is_format_supported( pipe, PIPE_FORMAT_A4R4G4B4_UNORM, surfType ))
- return PIPE_FORMAT_A4R4G4B4_UNORM;
- }
- else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
- if (pipe->is_format_supported( pipe, PIPE_FORMAT_A1R5G5B5_UNORM, surfType ))
- return PIPE_FORMAT_A1R5G5B5_UNORM;
- }
- }
- return default_rgba_format( pipe, surfType );
-
case 3:
case GL_RGB:
case GL_COMPRESSED_RGB:
- if (format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5) {
- if (pipe->is_format_supported( pipe, PIPE_FORMAT_R5G6B5_UNORM, surfType ))
- return PIPE_FORMAT_R5G6B5_UNORM;
- }
- return default_rgba_format( pipe, surfType );
-
case GL_RGBA8:
case GL_RGB10_A2:
case GL_RGBA12:
case GL_LUMINANCE12:
case GL_LUMINANCE16:
case GL_COMPRESSED_LUMINANCE:
- if (pipe->is_format_supported( pipe, PIPE_FORMAT_U_A8, surfType ))
+ if (pipe->is_format_supported( pipe, PIPE_FORMAT_U_L8, surfType ))
return PIPE_FORMAT_U_A8;
return default_rgba_format( pipe, surfType );
return PIPE_FORMAT_U_I8;
return default_rgba_format( pipe, surfType );
+#if 0
+ /* not supported for renderbuffers */
case GL_YCBCR_MESA:
- if (type == GL_UNSIGNED_SHORT_8_8_MESA || type == GL_UNSIGNED_BYTE) {
- if (pipe->is_format_supported( pipe, PIPE_FORMAT_YCBCR, surfType ))
- return PIPE_FORMAT_YCBCR;
- }
- else {
- if (pipe->is_format_supported( pipe, PIPE_FORMAT_YCBCR_REV, surfType ))
- return PIPE_FORMAT_YCBCR_REV;
- }
return PIPE_FORMAT_NONE;
-
-#if 0
case GL_COMPRESSED_RGB_FXT1_3DFX:
return &_mesa_texformat_rgb_fxt1;
case GL_COMPRESSED_RGBA_FXT1_3DFX:
st_mesa_format_to_pipe_format(GLuint mesaFormat);
-extern GLuint
-st_choose_pipe_format(struct pipe_context *pipe, GLint internalFormat,
- GLenum format, GLenum type, uint surfType);
+extern enum pipe_format
+st_choose_renderbuffer_format(struct pipe_context *pipe, GLint internalFormat);
extern const struct gl_texture_format *
#include "st_cb_fbo.h"
-struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual,
- boolean createRenderbuffers,
- void *private)
+struct st_framebuffer *
+st_create_framebuffer( const __GLcontextModes *visual,
+ boolean createRenderbuffers, /* XXX remove? */
+ enum pipe_format colorFormat,
+ enum pipe_format depthFormat,
+ enum pipe_format stencilFormat,
+ void *private)
{
- struct st_framebuffer *stfb
- = CALLOC_STRUCT(st_framebuffer);
+ struct st_framebuffer *stfb = CALLOC_STRUCT(st_framebuffer);
if (stfb) {
- GLenum rgbFormat = (visual->redBits == 5 ? GL_RGB5 : GL_RGBA8);
-
_mesa_initialize_framebuffer(&stfb->Base, visual);
if (createRenderbuffers) {
/* XXX allocation should only happen in the unusual case
it's actually needed */
struct gl_renderbuffer *rb
- = st_new_renderbuffer_fb(rgbFormat, GL_TRUE);
+ = st_new_renderbuffer_fb(colorFormat);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb);
}
if (visual->doubleBufferMode) {
struct gl_renderbuffer *rb
- = st_new_renderbuffer_fb(rgbFormat, GL_TRUE);
+ = st_new_renderbuffer_fb(colorFormat);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_BACK_LEFT, rb);
}
if (visual->depthBits == 24 && visual->stencilBits == 8) {
/* combined depth/stencil buffer */
struct gl_renderbuffer *depthStencilRb
- = st_new_renderbuffer_fb(GL_DEPTH24_STENCIL8_EXT, GL_FALSE);
+ = st_new_renderbuffer_fb(depthFormat);
/* note: bind RB to two attachment points */
_mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthStencilRb);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, depthStencilRb);
if (visual->depthBits == 32) {
/* 32-bit depth buffer */
struct gl_renderbuffer *depthRb
- = st_new_renderbuffer_fb(GL_DEPTH_COMPONENT32, GL_FALSE);
+ = st_new_renderbuffer_fb(depthFormat);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
}
else if (visual->depthBits == 24) {
/* 24-bit depth buffer, ignore stencil bits */
struct gl_renderbuffer *depthRb
- = st_new_renderbuffer_fb(GL_DEPTH24_STENCIL8_EXT, GL_FALSE);
+ = st_new_renderbuffer_fb(depthFormat);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
}
else if (visual->depthBits > 0) {
/* 16-bit depth buffer */
struct gl_renderbuffer *depthRb
- = st_new_renderbuffer_fb(GL_DEPTH_COMPONENT16, GL_FALSE);
+ = st_new_renderbuffer_fb(depthFormat);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
}
if (visual->stencilBits > 0) {
/* 8-bit stencil */
struct gl_renderbuffer *stencilRb
- = st_new_renderbuffer_fb(GL_STENCIL_INDEX8_EXT, GL_FALSE);
+ = st_new_renderbuffer_fb(stencilFormat);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, stencilRb);
}
}
if (visual->accumRedBits > 0) {
/* 16-bit/channel accum */
struct gl_renderbuffer *accumRb
- = st_new_renderbuffer_fb(GL_RGBA16, GL_FALSE);
+ = st_new_renderbuffer_fb(PIPE_FORMAT_R16G16B16A16_SNORM);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_ACCUM, accumRb);
}
}
#define ST_PUBLIC_H
#include "pipe/p_compiler.h"
+#include "pipe/p_format.h"
#define ST_SURFACE_FRONT_LEFT 0
struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual,
boolean createRenderbuffers,
+ enum pipe_format colorFormat,
+ enum pipe_format depthFormat,
+ enum pipe_format stencilFormat,
void *privateData);
void st_resize_framebuffer( struct st_framebuffer *stfb,
projects / mesa.git / commitdiff