diff options
Diffstat (limited to 'mesalib')
-rw-r--r-- | mesalib/docs/download.html | 83 | ||||
-rw-r--r-- | mesalib/docs/install.html | 104 | ||||
-rw-r--r-- | mesalib/src/mesa/main/renderbuffer.c | 15 | ||||
-rw-r--r-- | mesalib/src/mesa/main/texformat.c | 26 | ||||
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_cb_fbo.c | 1307 | ||||
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_draw.c | 127 |
6 files changed, 820 insertions, 842 deletions
diff --git a/mesalib/docs/download.html b/mesalib/docs/download.html index 3cb9423dd..03fa60b4d 100644 --- a/mesalib/docs/download.html +++ b/mesalib/docs/download.html @@ -21,76 +21,52 @@ When a new release is coming, release candidates (betas) may be found <p> -Mesa is distributed in several parts: +The Mesa package is named MesaLib-x.y.z.{tar.bz2, tar.gz, zip} where x.y.z +is the version. There are three types of compressed archives. </p> -<ul> -<li><b>MesaLib-x.y.z</b> - the main Mesa library source code, drivers - and documentation. -</li> -<li><b>MesaDemos-x.y.z</b> - OpenGL demonstration and test programs. - Most of the programs require GLUT (either the - <a href="http://www.opengl.org/resources/libraries/glut" - target="_parent">original GLUT by Mark Kilgard</a> or - <a href="http://freeglut.sourceforge.net" target="_parent">freeglut</a> or - <a href="http://openglut.sourceforge.net" target="_parent">OpenGLUT</a>). -</li> -<li><b>MesaGLUT-x.y.z</b> - Mark Kilgard's GLUT, easily compiled and used - with Mesa. Plus, other implementation of GLUT for DOS, OS/2, BeOS, etc. -</li> -</ul> - <p> -If you're not interested in running the demos, you'll only need the first -package. +There's also the MesaGLUT-x.y.z.{tar.bz2, tar.gz, zip} packages which +contain Mark Kilgard's GLUT library. +This is optional. +Most Linux distributions include an implementation of GLUT (such as freeglut). </p> - <p> -If you're new to this and not sure what you're doing, grab all three packages. +In the past, the Mesa demos collection was distributed as +MesaDemos-x.y.z.{tar.bz2, tar.gz, zip}. +Now, the +<a href="ftp://ftp.freedesktop.org/pub/mesa/demos/" target="_parent"> +Mesa demos</a> are distributed separately. </p> -<p> -The packages are available in .tar.gz, .tar.bz2 and .zip formats. -Other sites might offer additional package formats. -</p> <H1>Unpacking</H1> <p> -All the packages should be in the same directory prior to unpacking. +To unpack .tar.gz files: </p> - -<ul> -<li>To unpack .tar.gz files: <pre> - tar zxf MesaLib-X.Y.tar.gz - tar zxf MesaDemos-X.Y.tar.gz - tar zxf MesaGLUT-X.Y.tar.gz + tar zxf MesaLib-x.y.z.tar.gz </pre> or <pre> - gzcat MesaLib-X.Y.tar.gz | tar xf - - gzcat MesaDemos-X.Y.tar.gz | tar xf - - gzcat MesaGLUT-X.Y.tar.gz | tar xf - + gzcat MesaLib-x.y.z.tar.gz | tar xf - </pre> or <pre> - gunzip MesaLib-X.Y.tar.gz ; tar xf MesaLib-X.Y.tar - gunzip MesaDemos-X.Y.tar.gz ; tar xf MesaDemos-X.Y.tar - gunzip MesaGLUT-X.Y.tar.gz ; tar xf MesaGLUT-X.Y.tar + gunzip MesaLib-x.y.z.tar.gz ; tar xf MesaLib-x.y.z.tar </pre> -<li>To unpack .tar.bz2 files: +<p> +To unpack .tar.bz2 files: +</p> <pre> - bunzip2 -c MesaLib-X.Y.tar.gz | tar xf - - bunzip2 -c MesaDemos-X.Y.tar.gz | tar xf - - bunzip2 -c MesaGLUT-X.Y.tar.gz | tar xf - + bunzip2 -c MesaLib-x.y.z.tar.gz | tar xf - </pre> -<li>To unpack .zip files: +<p> +To unpack .zip files: +</p> <pre> - unzip MesaLib-X.Y.zip - unzip MesaDemos-X.Y.zip - unzip MesaGLUT-X.Y.zip + unzip MesaLib-x.y.z.zip </pre> -</ul> <h1>Contents</h1> @@ -106,22 +82,13 @@ bin/ - shell scripts for making shared libraries, etc docs/ - documentation src/ - source code for libraries src/mesa - sources for the main Mesa library and device drivers +src/gallium - sources for Gallium and Gallium drivers src/glu - libGLU source code src/glx - sources for building libGL with full GLX and DRI support src/glw - Xt/Motif/OpenGL widget code </pre> -If you downloaded and unpacked the MesaDemos.X.Y package: - -<pre> -progs/demos - original Mesa demos -progs/xdemos - GLX OpenGL/Mesa demos -progs/redbook - examples from the OpenGL Programming Guide -progs/samples - examples from SGI -progs/images/ - image files -</pre> - -If you downloaded and unpacked the MesaGLUT.X.Y package: +If you downloaded and unpacked the MesaGLUT.x.y.z package: <pre> src/glut - GLUT library source code </pre> diff --git a/mesalib/docs/install.html b/mesalib/docs/install.html index 3962ea5c9..bfa3bb8f8 100644 --- a/mesalib/docs/install.html +++ b/mesalib/docs/install.html @@ -12,16 +12,16 @@ <ol> <li><a href="#unix-x11">Unix / X11</a> <ul> - <li><a href="#prereq">Prerequisites for DRI and hardware acceleration</a> + <li><a href="#prereq-general">General prerequisites for building</a> + <li><a href="#prereq-dri">Prerequisites for DRI and hardware acceleration</a> <li><a href="#autoconf">Building with autoconf</a> <li><a href="#traditional">Building with traditional Makefiles</a> <li><a href="#libs">The Libraries</a> - <li><a href="#demos">Running the demos <li><a href="#install">Installing the header and library files <li><a href="#pkg-config">Building OpenGL programs with pkg-config </ul> <li><a href="#windows">Windows</a> -<li><a href="#scons">SCons</a> +<li><a href="#scons">Building with SCons</a> <li><a href="#other">Other</a> </ol> <br> @@ -31,8 +31,22 @@ <H2>1. Unix/X11 Compilation and Installation</H1> -<a name="prereq"> -<h3>1.1 Prerequisites for DRI and hardware acceleration</h3> +<a name="prereq-general"> +<h3>1.1 General prerequisites for building</h3> + +<ul> +<li>lex / yacc - for building the GLSL compiler. +On Linux systems, flex and bison are used. +Versions 2.5.35 and 2.4.1, respectively, (or later) should work. +</li> +<li>python - Python is needed for building the Gallium components. +Version 2.6.4 or later should work. +</li> +</ul> + + +<a name="prereq-dri"> +<h3>1.2 Prerequisites for DRI and hardware acceleration</h3> <p> The following are required for DRI-based hardware acceleration with Mesa: @@ -49,7 +63,7 @@ version 2.4.15 or later <a name="autoconf"> -<h3>1.2 Building with Autoconf</h3> +<h3>1.3 Building with Autoconf</h3> <p> Mesa may be <a href="autoconf.html">built using autoconf</a>. @@ -59,7 +73,7 @@ If that fails the traditional Mesa build system is available. <a name="traditional"> -<h3>1.3 Building with traditional Makefiles</h3> +<h3>1.4 Building with traditional Makefiles</h3> <p> The traditional Mesa build system is based on a collection of pre-defined @@ -126,7 +140,7 @@ Later, if you want to rebuild for a different configuration run <a name="libs"> -<h3>1.4 The libraries</h3> +<h3>1.5 The libraries</h3> <p> When compilation has finished, look in the top-level <code>lib/</code> @@ -185,81 +199,11 @@ If you built the DRI hardware drivers, you'll also see the DRI drivers: -rwxr-xr-x 1 brian users 10997120 Jul 21 12:13 unichrome_dri.so </pre> - -<a name="demos"> -<h3>1.5 Running the demos</h3> - -<p> -If you downloaded/unpacked the MesaDemos-x.y.z.tar.gz archive or -obtained Mesa from CVS, the <b>progs/</b> directory will contain a -bunch of demonstration programs. -</p> - -<p> -Before running a demo, you'll probably have to set two environment variables -to indicate where the libraries are located. For example: -<p> -<blockquote> -<b>cd lib/</b> -<br> -<b>export LD_LIBRARY_PATH=${PWD}</b> -<br> -<b>export LIBGL_DRIVERS_PATH=${PWD}</b> (if using DRI drivers) -</blockquote> - <p> -Next, change to the Mesa/demos/ directory: +If you built with Gallium support, look in lib/gallium/ for Gallium-based +versions of libGL and device drivers. </p> -<blockquote> -<b>cd ../progs/demos</b> -</blockquote> -<p> -Run a demo such as gears: -</p> -<blockquote> -<b>./gears</b> -</blockquote> - -<p> -If this doesn't work, try the <b>Mesa/progs/xdemos/glxinfo</b> program -and see that it prints the expected Mesa version number. -</p> - -<p> -If you're using Linux or a similar OS, verify that the demo program is -being linked with the proper library files: -</p> -<blockquote> -<b>ldd gears</b> -</blockquote> - -<p> -You should see something like this: -</p> -<pre> - libglut.so.3 => /home/brian/Mesa/lib/libglut.so.3 (0x40013000) - libGLU.so.1 => /home/brian/Mesa/lib/libGLU.so.1 (0x40051000) - libGL.so.1 => /home/brian/Mesa/lib/libGL.so.1 (0x400e0000) - libc.so.6 => /lib/i686/libc.so.6 (0x42000000) - libm.so.6 => /lib/i686/libm.so.6 (0x403da000) - libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x403fc000) - libXmu.so.6 => /usr/X11R6/lib/libXmu.so.6 (0x404da000) - libXt.so.6 => /usr/X11R6/lib/libXt.so.6 (0x404f1000) - libXi.so.6 => /usr/X11R6/lib/libXi.so.6 (0x40543000) - libstdc++.so.5 => /usr/lib/libstdc++.so.5 (0x4054b000) - libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x405fd000) - libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x40605000) - libpthread.so.0 => /lib/i686/libpthread.so.0 (0x40613000) - /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000) - libdl.so.2 => /lib/libdl.so.2 (0x40644000) - libSM.so.6 => /usr/X11R6/lib/libSM.so.6 (0x40647000) - libICE.so.6 => /usr/X11R6/lib/libICE.so.6 (0x40650000) -</pre> - -<p> -Retrace your steps if this doesn't look right. -</p> <a name="install"> diff --git a/mesalib/src/mesa/main/renderbuffer.c b/mesalib/src/mesa/main/renderbuffer.c index 67ee589d7..e6d5fe4bf 100644 --- a/mesalib/src/mesa/main/renderbuffer.c +++ b/mesalib/src/mesa/main/renderbuffer.c @@ -1122,7 +1122,20 @@ _mesa_soft_renderbuffer_storage(struct gl_context *ctx, struct gl_renderbuffer * rb->Width = width; rb->Height = height; rb->_BaseFormat = _mesa_base_fbo_format(ctx, internalFormat); - ASSERT(rb->_BaseFormat); + + if (rb->Name == 0 && + internalFormat == GL_RGBA16_SNORM && + rb->_BaseFormat == 0) { + /* NOTE: This is a special case just for accumulation buffers. + * This is a very limited use case- there's no snorm texturing or + * rendering going on. + */ + rb->_BaseFormat = GL_RGBA; + } + else { + /* the internalFormat should have been error checked long ago */ + ASSERT(rb->_BaseFormat); + } return GL_TRUE; } diff --git a/mesalib/src/mesa/main/texformat.c b/mesalib/src/mesa/main/texformat.c index 8b7b4ff47..da907455b 100644 --- a/mesalib/src/mesa/main/texformat.c +++ b/mesalib/src/mesa/main/texformat.c @@ -402,7 +402,7 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat, case GL_RGB_SNORM: case GL_RGB8_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888); - break; + /* FALLTHROUGH */ case GL_RGBA_SNORM: case GL_RGBA8_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); @@ -411,18 +411,27 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat, case GL_ALPHA_SNORM: case GL_ALPHA8_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_A8); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); break; case GL_LUMINANCE_SNORM: case GL_LUMINANCE8_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L8); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); break; case GL_LUMINANCE_ALPHA_SNORM: case GL_LUMINANCE8_ALPHA8_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_AL88); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); break; case GL_INTENSITY_SNORM: case GL_INTENSITY8_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_I8); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); break; case GL_R16_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R16); @@ -432,21 +441,32 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat, break; case GL_RGB16_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGB_16); - break; + /* FALLTHROUGH */ case GL_RGBA16_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); break; case GL_ALPHA16_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_A16); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); break; case GL_LUMINANCE16_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L16); - break; + /* FALLTHROUGH */ case GL_LUMINANCE16_ALPHA16_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_AL1616); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); break; case GL_INTENSITY16_SNORM: RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_I16); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); break; default: ; /* fall-through */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_fbo.c b/mesalib/src/mesa/state_tracker/st_cb_fbo.c index fe67b03b2..7ffee901c 100644 --- a/mesalib/src/mesa/state_tracker/st_cb_fbo.c +++ b/mesalib/src/mesa/state_tracker/st_cb_fbo.c @@ -1,642 +1,665 @@ -/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-
-/**
- * Framebuffer/renderbuffer functions.
- *
- * \author Brian Paul
- */
-
-
-#include "main/imports.h"
-#include "main/context.h"
-#include "main/fbobject.h"
-#include "main/framebuffer.h"
-#include "main/macros.h"
-#include "main/mfeatures.h"
-#include "main/renderbuffer.h"
-
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "pipe/p_screen.h"
-#include "st_context.h"
-#include "st_cb_fbo.h"
-#include "st_cb_flush.h"
-#include "st_format.h"
-#include "st_texture.h"
-#include "st_manager.h"
-
-#include "util/u_format.h"
-#include "util/u_inlines.h"
-#include "util/u_surface.h"
-
-
-/**
- * gl_renderbuffer::AllocStorage()
- * This is called to allocate the original drawing surface, and
- * during window resize.
- */
-static GLboolean
-st_renderbuffer_alloc_storage(struct gl_context * ctx,
- struct gl_renderbuffer *rb,
- GLenum internalFormat,
- GLuint width, GLuint height)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct pipe_screen *screen = st->pipe->screen;
- struct st_renderbuffer *strb = st_renderbuffer(rb);
- enum pipe_format format;
- struct pipe_surface surf_tmpl;
-
- if (strb->format != PIPE_FORMAT_NONE)
- format = strb->format;
- else
- format = st_choose_renderbuffer_format(screen, internalFormat,
- rb->NumSamples);
-
- if (format == PIPE_FORMAT_NONE) {
- return FALSE;
- }
-
- /* init renderbuffer fields */
- strb->Base.Width = width;
- strb->Base.Height = height;
- strb->Base.Format = st_pipe_format_to_mesa_format(format);
- strb->Base._BaseFormat = _mesa_base_fbo_format(ctx, internalFormat);
- strb->Base.DataType = st_format_datatype(format);
-
- strb->defined = GL_FALSE; /* undefined contents now */
-
- if (strb->software) {
- size_t size;
-
- free(strb->data);
-
- assert(strb->format != PIPE_FORMAT_NONE);
-
- strb->stride = util_format_get_stride(strb->format, width);
- size = util_format_get_2d_size(strb->format, strb->stride, height);
-
- strb->data = malloc(size);
-
- return strb->data != NULL;
- }
- else {
- struct pipe_resource template;
-
- /* Free the old surface and texture
- */
- pipe_surface_reference( &strb->surface, NULL );
- pipe_resource_reference( &strb->texture, NULL );
- pipe_sampler_view_reference(&strb->sampler_view, NULL);
-
- /* Setup new texture template.
- */
- memset(&template, 0, sizeof(template));
- template.target = st->internal_target;
- template.format = format;
- template.width0 = width;
- template.height0 = height;
- template.depth0 = 1;
- template.array_size = 1;
- template.last_level = 0;
- template.nr_samples = rb->NumSamples;
- if (util_format_is_depth_or_stencil(format)) {
- template.bind = PIPE_BIND_DEPTH_STENCIL;
- }
- else {
- template.bind = (PIPE_BIND_DISPLAY_TARGET |
- PIPE_BIND_RENDER_TARGET);
- }
-
- strb->texture = screen->resource_create(screen, &template);
-
- if (!strb->texture)
- return FALSE;
-
- memset(&surf_tmpl, 0, sizeof(surf_tmpl));
- u_surface_default_template(&surf_tmpl, strb->texture, template.bind);
- strb->surface = pipe->create_surface(pipe,
- strb->texture,
- &surf_tmpl);
- if (strb->surface) {
- assert(strb->surface->texture);
- assert(strb->surface->format);
- assert(strb->surface->width == width);
- assert(strb->surface->height == height);
- }
-
- return strb->surface != NULL;
- }
-}
-
-
-/**
- * gl_renderbuffer::Delete()
- */
-static void
-st_renderbuffer_delete(struct gl_renderbuffer *rb)
-{
- struct st_renderbuffer *strb = st_renderbuffer(rb);
- ASSERT(strb);
- pipe_surface_reference(&strb->surface, NULL);
- pipe_resource_reference(&strb->texture, NULL);
- pipe_sampler_view_reference(&strb->sampler_view, NULL);
- free(strb->data);
- free(strb);
-}
-
-
-/**
- * gl_renderbuffer::GetPointer()
- */
-static void *
-null_get_pointer(struct gl_context * ctx, struct gl_renderbuffer *rb,
- GLint x, GLint y)
-{
- /* By returning NULL we force all software rendering to go through
- * the span routines.
- */
-#if 0
- assert(0); /* Should never get called with softpipe */
-#endif
- return NULL;
-}
-
-
-/**
- * Called via ctx->Driver.NewFramebuffer()
- */
-static struct gl_framebuffer *
-st_new_framebuffer(struct gl_context *ctx, GLuint name)
-{
- /* XXX not sure we need to subclass gl_framebuffer for pipe */
- return _mesa_new_framebuffer(ctx, name);
-}
-
-
-/**
- * Called via ctx->Driver.NewRenderbuffer()
- */
-static struct gl_renderbuffer *
-st_new_renderbuffer(struct gl_context *ctx, GLuint name)
-{
- struct st_renderbuffer *strb = ST_CALLOC_STRUCT(st_renderbuffer);
- if (strb) {
- _mesa_init_renderbuffer(&strb->Base, name);
- 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 format.
- */
-struct gl_renderbuffer *
-st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw)
-{
- struct st_renderbuffer *strb;
-
- strb = ST_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.NumSamples = samples;
- strb->Base.Format = st_pipe_format_to_mesa_format(format);
- strb->Base._BaseFormat = _mesa_get_format_base_format(strb->Base.Format);
- strb->Base.DataType = st_format_datatype(format);
- strb->format = format;
- strb->software = sw;
-
- switch (format) {
- case PIPE_FORMAT_R8G8B8A8_UNORM:
- case PIPE_FORMAT_B8G8R8A8_UNORM:
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- case PIPE_FORMAT_R8G8B8X8_UNORM:
- case PIPE_FORMAT_B8G8R8X8_UNORM:
- case PIPE_FORMAT_X8R8G8B8_UNORM:
- case PIPE_FORMAT_B5G5R5A1_UNORM:
- case PIPE_FORMAT_B4G4R4A4_UNORM:
- case PIPE_FORMAT_B5G6R5_UNORM:
- strb->Base.InternalFormat = GL_RGBA;
- break;
- case PIPE_FORMAT_Z16_UNORM:
- strb->Base.InternalFormat = GL_DEPTH_COMPONENT16;
- break;
- case PIPE_FORMAT_Z32_UNORM:
- strb->Base.InternalFormat = GL_DEPTH_COMPONENT32;
- break;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- case PIPE_FORMAT_Z24X8_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- strb->Base.InternalFormat = GL_DEPTH24_STENCIL8_EXT;
- break;
- case PIPE_FORMAT_S8_USCALED:
- strb->Base.InternalFormat = GL_STENCIL_INDEX8_EXT;
- break;
- case PIPE_FORMAT_R16G16B16A16_SNORM:
- strb->Base.InternalFormat = GL_RGBA16;
- break;
- case PIPE_FORMAT_R8_UNORM:
- strb->Base.InternalFormat = GL_R8;
- break;
- case PIPE_FORMAT_R8G8_UNORM:
- strb->Base.InternalFormat = GL_RG8;
- break;
- case PIPE_FORMAT_R16_UNORM:
- strb->Base.InternalFormat = GL_R16;
- break;
- case PIPE_FORMAT_R16G16_UNORM:
- strb->Base.InternalFormat = GL_RG16;
- break;
- default:
- _mesa_problem(NULL,
- "Unexpected format in st_new_renderbuffer_fb");
- free(strb);
- 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;
-}
-
-
-
-
-/**
- * Called via ctx->Driver.BindFramebufferEXT().
- */
-static void
-st_bind_framebuffer(struct gl_context *ctx, GLenum target,
- struct gl_framebuffer *fb, struct gl_framebuffer *fbread)
-{
-
-}
-
-/**
- * Called by ctx->Driver.FramebufferRenderbuffer
- */
-static void
-st_framebuffer_renderbuffer(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- GLenum attachment,
- struct gl_renderbuffer *rb)
-{
- /* XXX no need for derivation? */
- _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb);
-}
-
-
-/**
- * Called by ctx->Driver.RenderTexture
- */
-static void
-st_render_texture(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- struct gl_renderbuffer_attachment *att)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct st_renderbuffer *strb;
- struct gl_renderbuffer *rb;
- struct pipe_resource *pt = st_get_texobj_resource(att->Texture);
- struct st_texture_object *stObj;
- const struct gl_texture_image *texImage;
- struct pipe_surface surf_tmpl;
-
- /* When would this fail? Perhaps assert? */
- if (!pt)
- return;
-
- /* get pointer to texture image we're rendeing to */
- texImage = att->Texture->Image[att->CubeMapFace][att->TextureLevel];
-
- /* create new renderbuffer which wraps the texture image */
- rb = st_new_renderbuffer(ctx, 0);
- if (!rb) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glFramebufferTexture()");
- return;
- }
-
- _mesa_reference_renderbuffer(&att->Renderbuffer, rb);
- assert(rb->RefCount == 1);
- rb->AllocStorage = NULL; /* should not get called */
- strb = st_renderbuffer(rb);
-
- assert(strb->Base.RefCount > 0);
-
- /* get the texture for the texture object */
- stObj = st_texture_object(att->Texture);
-
- /* point renderbuffer at texobject */
- strb->rtt = stObj;
- strb->rtt_level = att->TextureLevel;
- strb->rtt_face = att->CubeMapFace;
- strb->rtt_slice = att->Zoffset;
-
- rb->Width = texImage->Width2;
- rb->Height = texImage->Height2;
- rb->_BaseFormat = texImage->_BaseFormat;
- /*printf("***** render to texture level %d: %d x %d\n", att->TextureLevel, rb->Width, rb->Height);*/
-
- /*printf("***** pipe texture %d x %d\n", pt->width0, pt->height0);*/
-
- pipe_resource_reference( &strb->texture, pt );
-
- pipe_surface_reference(&strb->surface, NULL);
-
- pipe_sampler_view_reference(&strb->sampler_view,
- st_get_texture_sampler_view(stObj, pipe));
-
- assert(strb->rtt_level <= strb->texture->last_level);
-
- /* new surface for rendering into the texture */
- memset(&surf_tmpl, 0, sizeof(surf_tmpl));
- surf_tmpl.format = ctx->Color.sRGBEnabled ? strb->texture->format : util_format_linear(strb->texture->format);
- surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
- surf_tmpl.u.tex.level = strb->rtt_level;
- surf_tmpl.u.tex.first_layer = strb->rtt_face + strb->rtt_slice;
- surf_tmpl.u.tex.last_layer = strb->rtt_face + strb->rtt_slice;
- strb->surface = pipe->create_surface(pipe,
- strb->texture,
- &surf_tmpl);
-
- strb->format = pt->format;
-
- strb->Base.Format = st_pipe_format_to_mesa_format(pt->format);
- strb->Base.DataType = st_format_datatype(pt->format);
-
- /*
- printf("RENDER TO TEXTURE obj=%p pt=%p surf=%p %d x %d\n",
- att->Texture, pt, strb->surface, rb->Width, rb->Height);
- */
-
- /* Invalidate buffer state so that the pipe's framebuffer state
- * gets updated.
- * That's where the new renderbuffer (which we just created) gets
- * passed to the pipe as a (color/depth) render target.
- */
- st_invalidate_state(ctx, _NEW_BUFFERS);
-}
-
-
-/**
- * Called via ctx->Driver.FinishRenderTexture.
- */
-static void
-st_finish_render_texture(struct gl_context *ctx,
- struct gl_renderbuffer_attachment *att)
-{
- struct st_renderbuffer *strb = st_renderbuffer(att->Renderbuffer);
-
- if (!strb)
- return;
-
- strb->rtt = NULL;
-
- /*
- printf("FINISH RENDER TO TEXTURE surf=%p\n", strb->surface);
- */
-
- /* restore previous framebuffer state */
- st_invalidate_state(ctx, _NEW_BUFFERS);
-}
-
-
-/**
- * Validate a renderbuffer attachment for a particular set of bindings.
- */
-static GLboolean
-st_validate_attachment(struct gl_context *ctx,
- struct pipe_screen *screen,
- const struct gl_renderbuffer_attachment *att,
- unsigned bindings)
-{
- const struct st_texture_object *stObj = st_texture_object(att->Texture);
- enum pipe_format format;
- gl_format texFormat;
-
- /* Only validate texture attachments for now, since
- * st_renderbuffer_alloc_storage makes sure that
- * the format is supported.
- */
- if (att->Type != GL_TEXTURE)
- return GL_TRUE;
-
- if (!stObj)
- return GL_FALSE;
-
- format = stObj->pt->format;
- texFormat =
- stObj->base.Image[att->CubeMapFace][att->TextureLevel]->TexFormat;
-
- /* If the encoding is sRGB and sRGB rendering cannot be enabled,
- * check for linear format support instead.
- * Later when we create a surface, we change the format to a linear one. */
- if (!ctx->Const.sRGBCapable &&
- _mesa_get_format_color_encoding(texFormat) == GL_SRGB) {
- const gl_format linearFormat = _mesa_get_srgb_format_linear(texFormat);
- format = st_mesa_format_to_pipe_format(linearFormat);
- }
-
- return screen->is_format_supported(screen, format,
- PIPE_TEXTURE_2D,
- stObj->pt->nr_samples, bindings);
-}
-
-
-/**
- * Check if two renderbuffer attachments name a combined depth/stencil
- * renderbuffer.
- */
-GLboolean
-st_is_depth_stencil_combined(const struct gl_renderbuffer_attachment *depth,
- const struct gl_renderbuffer_attachment *stencil)
-{
- assert(depth && stencil);
-
- if (depth->Type == stencil->Type) {
- if (depth->Type == GL_RENDERBUFFER_EXT &&
- depth->Renderbuffer == stencil->Renderbuffer)
- return GL_TRUE;
-
- if (depth->Type == GL_TEXTURE &&
- depth->Texture == stencil->Texture)
- return GL_TRUE;
- }
-
- return GL_FALSE;
-}
-
-
-/**
- * Check that the framebuffer configuration is valid in terms of what
- * the driver can support.
- *
- * For Gallium we only supports combined Z+stencil, not separate buffers.
- */
-static void
-st_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_screen *screen = st->pipe->screen;
- const struct gl_renderbuffer_attachment *depth =
- &fb->Attachment[BUFFER_DEPTH];
- const struct gl_renderbuffer_attachment *stencil =
- &fb->Attachment[BUFFER_STENCIL];
- GLuint i;
-
- if (depth->Type && stencil->Type && depth->Type != stencil->Type) {
- fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
- return;
- }
- if (depth->Type == GL_RENDERBUFFER_EXT &&
- stencil->Type == GL_RENDERBUFFER_EXT &&
- depth->Renderbuffer != stencil->Renderbuffer) {
- fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
- return;
- }
- if (depth->Type == GL_TEXTURE &&
- stencil->Type == GL_TEXTURE &&
- depth->Texture != stencil->Texture) {
- fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
- return;
- }
-
- if (!st_validate_attachment(ctx,
- screen,
- depth,
- PIPE_BIND_DEPTH_STENCIL)) {
- fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
- return;
- }
- if (!st_validate_attachment(ctx,
- screen,
- stencil,
- PIPE_BIND_DEPTH_STENCIL)) {
- fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
- return;
- }
- for (i = 0; i < ctx->Const.MaxColorAttachments; i++) {
- if (!st_validate_attachment(ctx,
- screen,
- &fb->Attachment[BUFFER_COLOR0 + i],
- PIPE_BIND_RENDER_TARGET)) {
- fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
- return;
- }
- }
-}
-
-
-/**
- * Called via glDrawBuffer.
- */
-static void
-st_DrawBuffers(struct gl_context *ctx, GLsizei count, const GLenum *buffers)
-{
- struct st_context *st = st_context(ctx);
- struct gl_framebuffer *fb = ctx->DrawBuffer;
- GLuint i;
-
- (void) count;
- (void) buffers;
-
- /* add the renderbuffers on demand */
- for (i = 0; i < fb->_NumColorDrawBuffers; i++) {
- gl_buffer_index idx = fb->_ColorDrawBufferIndexes[i];
- st_manager_add_color_renderbuffer(st, fb, idx);
- }
-}
-
-
-/**
- * Called via glReadBuffer.
- */
-static void
-st_ReadBuffer(struct gl_context *ctx, GLenum buffer)
-{
- struct st_context *st = st_context(ctx);
- struct gl_framebuffer *fb = ctx->ReadBuffer;
-
- (void) buffer;
-
- /* add the renderbuffer on demand */
- st_manager_add_color_renderbuffer(st, fb, fb->_ColorReadBufferIndex);
-}
-
-
-void st_init_fbo_functions(struct dd_function_table *functions)
-{
-#if FEATURE_EXT_framebuffer_object
- 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;
- functions->ValidateFramebuffer = st_validate_framebuffer;
-#endif
- /* no longer needed by core Mesa, drivers handle resizes...
- functions->ResizeBuffers = st_resize_buffers;
- */
-
- functions->DrawBuffers = st_DrawBuffers;
- functions->ReadBuffer = st_ReadBuffer;
-}
-
-/* XXX unused ? */
-struct pipe_sampler_view *
-st_get_renderbuffer_sampler_view(struct st_renderbuffer *rb,
- struct pipe_context *pipe)
-{
- if (!rb->sampler_view) {
- rb->sampler_view = st_create_texture_sampler_view(pipe, rb->texture);
- }
-
- return rb->sampler_view;
-}
+/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/** + * Framebuffer/renderbuffer functions. + * + * \author Brian Paul + */ + + +#include "main/imports.h" +#include "main/context.h" +#include "main/fbobject.h" +#include "main/framebuffer.h" +#include "main/macros.h" +#include "main/mfeatures.h" +#include "main/renderbuffer.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_screen.h" +#include "st_context.h" +#include "st_cb_fbo.h" +#include "st_cb_flush.h" +#include "st_format.h" +#include "st_texture.h" +#include "st_manager.h" + +#include "util/u_format.h" +#include "util/u_inlines.h" +#include "util/u_surface.h" + + +/** + * gl_renderbuffer::AllocStorage() + * This is called to allocate the original drawing surface, and + * during window resize. + */ +static GLboolean +st_renderbuffer_alloc_storage(struct gl_context * ctx, + struct gl_renderbuffer *rb, + GLenum internalFormat, + GLuint width, GLuint height) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct pipe_screen *screen = st->pipe->screen; + struct st_renderbuffer *strb = st_renderbuffer(rb); + enum pipe_format format; + struct pipe_surface surf_tmpl; + + if (strb->format != PIPE_FORMAT_NONE) + format = strb->format; + else + format = st_choose_renderbuffer_format(screen, internalFormat, + rb->NumSamples); + + if (format == PIPE_FORMAT_NONE) { + return FALSE; + } + + /* init renderbuffer fields */ + strb->Base.Width = width; + strb->Base.Height = height; + strb->Base.Format = st_pipe_format_to_mesa_format(format); + strb->Base._BaseFormat = _mesa_base_fbo_format(ctx, internalFormat); + strb->Base.DataType = st_format_datatype(format); + + strb->defined = GL_FALSE; /* undefined contents now */ + + if (strb->software) { + size_t size; + + free(strb->data); + + assert(strb->format != PIPE_FORMAT_NONE); + + strb->stride = util_format_get_stride(strb->format, width); + size = util_format_get_2d_size(strb->format, strb->stride, height); + + strb->data = malloc(size); + + return strb->data != NULL; + } + else { + struct pipe_resource template; + + /* Free the old surface and texture + */ + pipe_surface_reference( &strb->surface, NULL ); + pipe_resource_reference( &strb->texture, NULL ); + pipe_sampler_view_reference(&strb->sampler_view, NULL); + + /* Setup new texture template. + */ + memset(&template, 0, sizeof(template)); + template.target = st->internal_target; + template.format = format; + template.width0 = width; + template.height0 = height; + template.depth0 = 1; + template.array_size = 1; + template.last_level = 0; + template.nr_samples = rb->NumSamples; + if (util_format_is_depth_or_stencil(format)) { + template.bind = PIPE_BIND_DEPTH_STENCIL; + } + else { + template.bind = (PIPE_BIND_DISPLAY_TARGET | + PIPE_BIND_RENDER_TARGET); + } + + strb->texture = screen->resource_create(screen, &template); + + if (!strb->texture) + return FALSE; + + memset(&surf_tmpl, 0, sizeof(surf_tmpl)); + u_surface_default_template(&surf_tmpl, strb->texture, template.bind); + strb->surface = pipe->create_surface(pipe, + strb->texture, + &surf_tmpl); + if (strb->surface) { + assert(strb->surface->texture); + assert(strb->surface->format); + assert(strb->surface->width == width); + assert(strb->surface->height == height); + } + + return strb->surface != NULL; + } +} + + +/** + * gl_renderbuffer::Delete() + */ +static void +st_renderbuffer_delete(struct gl_renderbuffer *rb) +{ + struct st_renderbuffer *strb = st_renderbuffer(rb); + ASSERT(strb); + pipe_surface_reference(&strb->surface, NULL); + pipe_resource_reference(&strb->texture, NULL); + pipe_sampler_view_reference(&strb->sampler_view, NULL); + free(strb->data); + free(strb); +} + + +/** + * gl_renderbuffer::GetPointer() + */ +static void * +null_get_pointer(struct gl_context * ctx, struct gl_renderbuffer *rb, + GLint x, GLint y) +{ + /* By returning NULL we force all software rendering to go through + * the span routines. + */ +#if 0 + assert(0); /* Should never get called with softpipe */ +#endif + return NULL; +} + + +/** + * Called via ctx->Driver.NewFramebuffer() + */ +static struct gl_framebuffer * +st_new_framebuffer(struct gl_context *ctx, GLuint name) +{ + /* XXX not sure we need to subclass gl_framebuffer for pipe */ + return _mesa_new_framebuffer(ctx, name); +} + + +/** + * Called via ctx->Driver.NewRenderbuffer() + */ +static struct gl_renderbuffer * +st_new_renderbuffer(struct gl_context *ctx, GLuint name) +{ + struct st_renderbuffer *strb = ST_CALLOC_STRUCT(st_renderbuffer); + if (strb) { + _mesa_init_renderbuffer(&strb->Base, name); + 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 format. + */ +struct gl_renderbuffer * +st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw) +{ + struct st_renderbuffer *strb; + + strb = ST_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.NumSamples = samples; + strb->Base.Format = st_pipe_format_to_mesa_format(format); + strb->Base._BaseFormat = _mesa_get_format_base_format(strb->Base.Format); + strb->Base.DataType = st_format_datatype(format); + strb->format = format; + strb->software = sw; + + switch (format) { + case PIPE_FORMAT_R8G8B8A8_UNORM: + case PIPE_FORMAT_B8G8R8A8_UNORM: + case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_R8G8B8X8_UNORM: + case PIPE_FORMAT_B8G8R8X8_UNORM: + case PIPE_FORMAT_X8R8G8B8_UNORM: + case PIPE_FORMAT_B5G5R5A1_UNORM: + case PIPE_FORMAT_B4G4R4A4_UNORM: + case PIPE_FORMAT_B5G6R5_UNORM: + strb->Base.InternalFormat = GL_RGBA; + break; + case PIPE_FORMAT_Z16_UNORM: + strb->Base.InternalFormat = GL_DEPTH_COMPONENT16; + break; + case PIPE_FORMAT_Z32_UNORM: + strb->Base.InternalFormat = GL_DEPTH_COMPONENT32; + break; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + strb->Base.InternalFormat = GL_DEPTH24_STENCIL8_EXT; + break; + case PIPE_FORMAT_S8_USCALED: + strb->Base.InternalFormat = GL_STENCIL_INDEX8_EXT; + break; + case PIPE_FORMAT_R16G16B16A16_SNORM: + strb->Base.InternalFormat = GL_RGBA16; + break; + case PIPE_FORMAT_R8_UNORM: + strb->Base.InternalFormat = GL_R8; + break; + case PIPE_FORMAT_R8G8_UNORM: + strb->Base.InternalFormat = GL_RG8; + break; + case PIPE_FORMAT_R16_UNORM: + strb->Base.InternalFormat = GL_R16; + break; + case PIPE_FORMAT_R16G16_UNORM: + strb->Base.InternalFormat = GL_RG16; + break; + default: + _mesa_problem(NULL, + "Unexpected format in st_new_renderbuffer_fb"); + free(strb); + 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; +} + + + + +/** + * Called via ctx->Driver.BindFramebufferEXT(). + */ +static void +st_bind_framebuffer(struct gl_context *ctx, GLenum target, + struct gl_framebuffer *fb, struct gl_framebuffer *fbread) +{ + +} + +/** + * Called by ctx->Driver.FramebufferRenderbuffer + */ +static void +st_framebuffer_renderbuffer(struct gl_context *ctx, + struct gl_framebuffer *fb, + GLenum attachment, + struct gl_renderbuffer *rb) +{ + /* XXX no need for derivation? */ + _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb); +} + + +/** + * Called by ctx->Driver.RenderTexture + */ +static void +st_render_texture(struct gl_context *ctx, + struct gl_framebuffer *fb, + struct gl_renderbuffer_attachment *att) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct st_renderbuffer *strb; + struct gl_renderbuffer *rb; + struct pipe_resource *pt = st_get_texobj_resource(att->Texture); + struct st_texture_object *stObj; + const struct gl_texture_image *texImage; + struct pipe_surface surf_tmpl; + + /* When would this fail? Perhaps assert? */ + if (!pt) + return; + + /* get pointer to texture image we're rendeing to */ + texImage = att->Texture->Image[att->CubeMapFace][att->TextureLevel]; + + /* create new renderbuffer which wraps the texture image */ + rb = st_new_renderbuffer(ctx, 0); + if (!rb) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glFramebufferTexture()"); + return; + } + + _mesa_reference_renderbuffer(&att->Renderbuffer, rb); + assert(rb->RefCount == 1); + rb->AllocStorage = NULL; /* should not get called */ + strb = st_renderbuffer(rb); + + assert(strb->Base.RefCount > 0); + + /* get the texture for the texture object */ + stObj = st_texture_object(att->Texture); + + /* point renderbuffer at texobject */ + strb->rtt = stObj; + strb->rtt_level = att->TextureLevel; + strb->rtt_face = att->CubeMapFace; + strb->rtt_slice = att->Zoffset; + + rb->Width = texImage->Width2; + rb->Height = texImage->Height2; + rb->_BaseFormat = texImage->_BaseFormat; + /*printf("***** render to texture level %d: %d x %d\n", att->TextureLevel, rb->Width, rb->Height);*/ + + /*printf("***** pipe texture %d x %d\n", pt->width0, pt->height0);*/ + + pipe_resource_reference( &strb->texture, pt ); + + pipe_surface_reference(&strb->surface, NULL); + + pipe_sampler_view_reference(&strb->sampler_view, + st_get_texture_sampler_view(stObj, pipe)); + + assert(strb->rtt_level <= strb->texture->last_level); + + /* new surface for rendering into the texture */ + memset(&surf_tmpl, 0, sizeof(surf_tmpl)); + surf_tmpl.format = ctx->Color.sRGBEnabled ? strb->texture->format : util_format_linear(strb->texture->format); + surf_tmpl.usage = PIPE_BIND_RENDER_TARGET; + surf_tmpl.u.tex.level = strb->rtt_level; + surf_tmpl.u.tex.first_layer = strb->rtt_face + strb->rtt_slice; + surf_tmpl.u.tex.last_layer = strb->rtt_face + strb->rtt_slice; + strb->surface = pipe->create_surface(pipe, + strb->texture, + &surf_tmpl); + + strb->format = pt->format; + + strb->Base.Format = st_pipe_format_to_mesa_format(pt->format); + strb->Base.DataType = st_format_datatype(pt->format); + + /* + printf("RENDER TO TEXTURE obj=%p pt=%p surf=%p %d x %d\n", + att->Texture, pt, strb->surface, rb->Width, rb->Height); + */ + + /* Invalidate buffer state so that the pipe's framebuffer state + * gets updated. + * That's where the new renderbuffer (which we just created) gets + * passed to the pipe as a (color/depth) render target. + */ + st_invalidate_state(ctx, _NEW_BUFFERS); +} + + +/** + * Called via ctx->Driver.FinishRenderTexture. + */ +static void +st_finish_render_texture(struct gl_context *ctx, + struct gl_renderbuffer_attachment *att) +{ + struct st_renderbuffer *strb = st_renderbuffer(att->Renderbuffer); + + if (!strb) + return; + + strb->rtt = NULL; + + /* + printf("FINISH RENDER TO TEXTURE surf=%p\n", strb->surface); + */ + + /* restore previous framebuffer state */ + st_invalidate_state(ctx, _NEW_BUFFERS); +} + + +/** + * Validate a renderbuffer attachment for a particular set of bindings. + */ +static GLboolean +st_validate_attachment(struct gl_context *ctx, + struct pipe_screen *screen, + const struct gl_renderbuffer_attachment *att, + unsigned bindings) +{ + const struct st_texture_object *stObj = st_texture_object(att->Texture); + enum pipe_format format; + gl_format texFormat; + + /* Only validate texture attachments for now, since + * st_renderbuffer_alloc_storage makes sure that + * the format is supported. + */ + if (att->Type != GL_TEXTURE) + return GL_TRUE; + + if (!stObj) + return GL_FALSE; + + format = stObj->pt->format; + texFormat = + stObj->base.Image[att->CubeMapFace][att->TextureLevel]->TexFormat; + + /* If the encoding is sRGB and sRGB rendering cannot be enabled, + * check for linear format support instead. + * Later when we create a surface, we change the format to a linear one. */ + if (!ctx->Const.sRGBCapable && + _mesa_get_format_color_encoding(texFormat) == GL_SRGB) { + const gl_format linearFormat = _mesa_get_srgb_format_linear(texFormat); + format = st_mesa_format_to_pipe_format(linearFormat); + } + + return screen->is_format_supported(screen, format, + PIPE_TEXTURE_2D, + stObj->pt->nr_samples, bindings); +} + + +/** + * Check if two renderbuffer attachments name a combined depth/stencil + * renderbuffer. + */ +GLboolean +st_is_depth_stencil_combined(const struct gl_renderbuffer_attachment *depth, + const struct gl_renderbuffer_attachment *stencil) +{ + assert(depth && stencil); + + if (depth->Type == stencil->Type) { + if (depth->Type == GL_RENDERBUFFER_EXT && + depth->Renderbuffer == stencil->Renderbuffer) + return GL_TRUE; + + if (depth->Type == GL_TEXTURE && + depth->Texture == stencil->Texture) + return GL_TRUE; + } + + return GL_FALSE; +} + + +/** + * Check that the framebuffer configuration is valid in terms of what + * the driver can support. + * + * For Gallium we only supports combined Z+stencil, not separate buffers. + */ +static void +st_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb) +{ + struct st_context *st = st_context(ctx); + struct pipe_screen *screen = st->pipe->screen; + const struct gl_renderbuffer_attachment *depth = + &fb->Attachment[BUFFER_DEPTH]; + const struct gl_renderbuffer_attachment *stencil = + &fb->Attachment[BUFFER_STENCIL]; + GLuint i; + enum pipe_format first_format = PIPE_FORMAT_NONE; + boolean mixed_formats = + screen->get_param(screen, PIPE_CAP_MIXED_COLORBUFFER_FORMATS) != 0; + + if (depth->Type && stencil->Type && depth->Type != stencil->Type) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + if (depth->Type == GL_RENDERBUFFER_EXT && + stencil->Type == GL_RENDERBUFFER_EXT && + depth->Renderbuffer != stencil->Renderbuffer) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + if (depth->Type == GL_TEXTURE && + stencil->Type == GL_TEXTURE && + depth->Texture != stencil->Texture) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + + if (!st_validate_attachment(ctx, + screen, + depth, + PIPE_BIND_DEPTH_STENCIL)) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + if (!st_validate_attachment(ctx, + screen, + stencil, + PIPE_BIND_DEPTH_STENCIL)) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + for (i = 0; i < ctx->Const.MaxColorAttachments; i++) { + struct gl_renderbuffer_attachment *att = + &fb->Attachment[BUFFER_COLOR0 + i]; + enum pipe_format format; + + if (!st_validate_attachment(ctx, + screen, + att, + PIPE_BIND_RENDER_TARGET)) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + + if (!mixed_formats) { + /* Disallow mixed formats. */ + if (att->Type != GL_NONE) { + format = st_renderbuffer(att->Renderbuffer)->surface->format; + } else { + continue; + } + + if (first_format == PIPE_FORMAT_NONE) { + first_format = format; + } else if (format != first_format) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + } + } +} + + +/** + * Called via glDrawBuffer. + */ +static void +st_DrawBuffers(struct gl_context *ctx, GLsizei count, const GLenum *buffers) +{ + struct st_context *st = st_context(ctx); + struct gl_framebuffer *fb = ctx->DrawBuffer; + GLuint i; + + (void) count; + (void) buffers; + + /* add the renderbuffers on demand */ + for (i = 0; i < fb->_NumColorDrawBuffers; i++) { + gl_buffer_index idx = fb->_ColorDrawBufferIndexes[i]; + st_manager_add_color_renderbuffer(st, fb, idx); + } +} + + +/** + * Called via glReadBuffer. + */ +static void +st_ReadBuffer(struct gl_context *ctx, GLenum buffer) +{ + struct st_context *st = st_context(ctx); + struct gl_framebuffer *fb = ctx->ReadBuffer; + + (void) buffer; + + /* add the renderbuffer on demand */ + st_manager_add_color_renderbuffer(st, fb, fb->_ColorReadBufferIndex); +} + + +void st_init_fbo_functions(struct dd_function_table *functions) +{ +#if FEATURE_EXT_framebuffer_object + 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; + functions->ValidateFramebuffer = st_validate_framebuffer; +#endif + /* no longer needed by core Mesa, drivers handle resizes... + functions->ResizeBuffers = st_resize_buffers; + */ + + functions->DrawBuffers = st_DrawBuffers; + functions->ReadBuffer = st_ReadBuffer; +} + +/* XXX unused ? */ +struct pipe_sampler_view * +st_get_renderbuffer_sampler_view(struct st_renderbuffer *rb, + struct pipe_context *pipe) +{ + if (!rb->sampler_view) { + rb->sampler_view = st_create_texture_sampler_view(pipe, rb->texture); + } + + return rb->sampler_view; +} diff --git a/mesalib/src/mesa/state_tracker/st_draw.c b/mesalib/src/mesa/state_tracker/st_draw.c index 40afa4362..487f3f19c 100644 --- a/mesalib/src/mesa/state_tracker/st_draw.c +++ b/mesalib/src/mesa/state_tracker/st_draw.c @@ -181,7 +181,7 @@ static GLuint fixed_types[4] = { /** * Return a PIPE_FORMAT_x for the given GL datatype and size. */ -GLuint +enum pipe_format st_pipe_vertex_format(GLenum type, GLuint size, GLenum format, GLboolean normalized) { @@ -211,7 +211,7 @@ st_pipe_vertex_format(GLenum type, GLuint size, GLenum format, case GL_UNSIGNED_BYTE: return ubyte_types_norm[size-1]; case GL_FIXED: return fixed_types[size-1]; default: assert(0); return 0; - } + } } else { switch (type) { @@ -226,15 +226,13 @@ st_pipe_vertex_format(GLenum type, GLuint size, GLenum format, case GL_UNSIGNED_BYTE: return ubyte_types_scale[size-1]; case GL_FIXED: return fixed_types[size-1]; default: assert(0); return 0; - } + } } - return 0; /* silence compiler warning */ + return PIPE_FORMAT_NONE; /* silence compiler warning */ } - - /** * Examine the active arrays to determine if we have interleaved * vertex arrays all living in one VBO, or all living in user space. @@ -253,8 +251,9 @@ is_interleaved_arrays(const struct st_vertex_program *vp, for (attr = 0; attr < vpv->num_inputs; attr++) { const GLuint mesaAttr = vp->index_to_input[attr]; - const struct gl_buffer_object *bufObj = arrays[mesaAttr]->BufferObj; - const GLsizei stride = arrays[mesaAttr]->StrideB; /* in bytes */ + const struct gl_client_array *array = arrays[mesaAttr]; + const struct gl_buffer_object *bufObj = array->BufferObj; + const GLsizei stride = array->StrideB; /* in bytes */ if (firstStride < 0) { firstStride = stride; @@ -272,9 +271,9 @@ is_interleaved_arrays(const struct st_vertex_program *vp, return GL_FALSE; } if (!client_addr) { - client_addr = arrays[mesaAttr]->Ptr; + client_addr = array->Ptr; } - else if (abs(arrays[mesaAttr]->Ptr - client_addr) > firstStride) { + else if (abs(array->Ptr - client_addr) > firstStride) { /* arrays start too far apart */ return GL_FALSE; } @@ -315,8 +314,8 @@ setup_interleaved_attribs(struct gl_context *ctx, GLuint attr; const GLubyte *low_addr = NULL; - /* Find the lowest address. */ - if(vpv->num_inputs) { + /* Find the lowest address of the arrays we're drawing */ + if (vpv->num_inputs) { low_addr = arrays[vp->index_to_input[0]]->Ptr; for (attr = 1; attr < vpv->num_inputs; attr++) { @@ -327,22 +326,24 @@ setup_interleaved_attribs(struct gl_context *ctx, for (attr = 0; attr < vpv->num_inputs; attr++) { const GLuint mesaAttr = vp->index_to_input[attr]; - struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj; + const struct gl_client_array *array = arrays[mesaAttr]; + struct gl_buffer_object *bufobj = array->BufferObj; struct st_buffer_object *stobj = st_buffer_object(bufobj); - GLsizei stride = arrays[mesaAttr]->StrideB; + GLsizei stride = array->StrideB; if (attr == 0) { if (bufobj && bufobj->Name) { vbuffer->buffer = NULL; pipe_resource_reference(&vbuffer->buffer, stobj->buffer); vbuffer->buffer_offset = pointer_to_offset(low_addr); - } else { - uint divisor = arrays[mesaAttr]->InstanceDivisor; + } + else { + uint divisor = array->InstanceDivisor; uint length = (divisor ? num_instances / divisor : max_index) + 1; - vbuffer->buffer = - pipe_user_buffer_create(pipe->screen, (void*)low_addr, - stride * length, - PIPE_BIND_VERTEX_BUFFER); + vbuffer->buffer = pipe_user_buffer_create(pipe->screen, + (void*) low_addr, + stride * length, + PIPE_BIND_VERTEX_BUFFER); vbuffer->buffer_offset = 0; /* Track user vertex buffers. */ @@ -353,15 +354,13 @@ setup_interleaved_attribs(struct gl_context *ctx, vbuffer->stride = stride; /* in bytes */ } - velements[attr].src_offset = - (unsigned) (arrays[mesaAttr]->Ptr - low_addr); - velements[attr].instance_divisor = arrays[mesaAttr]->InstanceDivisor; + velements[attr].src_offset = (unsigned) (array->Ptr - low_addr); + velements[attr].instance_divisor = array->InstanceDivisor; velements[attr].vertex_buffer_index = 0; - velements[attr].src_format = - st_pipe_vertex_format(arrays[mesaAttr]->Type, - arrays[mesaAttr]->Size, - arrays[mesaAttr]->Format, - arrays[mesaAttr]->Normalized); + velements[attr].src_format = st_pipe_vertex_format(array->Type, + array->Size, + array->Format, + array->Normalized); assert(velements[attr].src_format); } } @@ -389,8 +388,9 @@ setup_non_interleaved_attribs(struct gl_context *ctx, for (attr = 0; attr < vpv->num_inputs; attr++) { const GLuint mesaAttr = vp->index_to_input[attr]; - struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj; - GLsizei stride = arrays[mesaAttr]->StrideB; + const struct gl_client_array *array = arrays[mesaAttr]; + struct gl_buffer_object *bufobj = array->BufferObj; + GLsizei stride = array->StrideB; if (bufobj && bufobj->Name) { /* Attribute data is in a VBO. @@ -402,30 +402,39 @@ setup_non_interleaved_attribs(struct gl_context *ctx, vbuffer[attr].buffer = NULL; pipe_resource_reference(&vbuffer[attr].buffer, stobj->buffer); - vbuffer[attr].buffer_offset = pointer_to_offset(arrays[mesaAttr]->Ptr); + vbuffer[attr].buffer_offset = pointer_to_offset(array->Ptr); } else { /* wrap user data */ - if (arrays[mesaAttr]->Ptr) { - uint divisor = arrays[mesaAttr]->InstanceDivisor; - uint length = (divisor ? num_instances / divisor : max_index) + 1; - vbuffer[attr].buffer = - pipe_user_buffer_create(pipe->screen, - (void *) arrays[mesaAttr]->Ptr, - stride * length, - PIPE_BIND_VERTEX_BUFFER); + uint bytes; + void *ptr; + + if (array->Ptr) { + if (stride == 0) { + bytes = _mesa_sizeof_type(array->Type) * array->Size; + } + else { + uint divisor = array->InstanceDivisor; + uint length = (divisor ? num_instances / divisor : max_index) + 1; + bytes = stride * length; + } + + ptr = (void *) array->Ptr; } else { /* no array, use ctx->Current.Attrib[] value */ - uint bytes = sizeof(ctx->Current.Attrib[0]); - vbuffer[attr].buffer = - pipe_user_buffer_create(pipe->screen, - (void *) ctx->Current.Attrib[mesaAttr], - bytes, - PIPE_BIND_VERTEX_BUFFER); + bytes = sizeof(ctx->Current.Attrib[0]); + ptr = (void *) ctx->Current.Attrib[mesaAttr]; stride = 0; } + assert(ptr); + assert(bytes); + + vbuffer[attr].buffer = + pipe_user_buffer_create(pipe->screen, ptr, bytes, + PIPE_BIND_VERTEX_BUFFER); + vbuffer[attr].buffer_offset = 0; /* Track user vertex buffers. */ @@ -438,13 +447,12 @@ setup_non_interleaved_attribs(struct gl_context *ctx, vbuffer[attr].stride = stride; /* in bytes */ velements[attr].src_offset = 0; - velements[attr].instance_divisor = arrays[mesaAttr]->InstanceDivisor; + velements[attr].instance_divisor = array->InstanceDivisor; velements[attr].vertex_buffer_index = attr; - velements[attr].src_format - = st_pipe_vertex_format(arrays[mesaAttr]->Type, - arrays[mesaAttr]->Size, - arrays[mesaAttr]->Format, - arrays[mesaAttr]->Normalized); + velements[attr].src_format = st_pipe_vertex_format(array->Type, + array->Size, + array->Format, + array->Normalized); assert(velements[attr].src_format); } } @@ -594,7 +602,8 @@ st_validate_varrays(struct gl_context *ctx, } else { setup_non_interleaved_attribs(ctx, vp, vpv, arrays, - vbuffer, velements, max_index, num_instances); + vbuffer, velements, max_index, + num_instances); num_vbuffers = vpv->num_inputs; num_velements = vpv->num_inputs; } @@ -647,7 +656,8 @@ st_draw_vbo(struct gl_context *ctx, for (i = 0; i < nr_prims; i++) { num_instances = MAX2(num_instances, prims[i].num_instances); } - } else { + } + else { /* Get min/max index for non-indexed drawing. */ min_index = ~0; max_index = 0; @@ -699,7 +709,8 @@ st_draw_vbo(struct gl_context *ctx, pipe->redefine_user_buffer(pipe, st->user_vb[i], min_index * stride, (max_index + 1 - min_index) * stride); - } else { + } + else { /* stride == 0 */ pipe->redefine_user_buffer(pipe, st->user_vb[i], 0, st->user_vb[i]->width0); @@ -743,7 +754,8 @@ st_draw_vbo(struct gl_context *ctx, } -void st_init_draw( struct st_context *st ) +void +st_init_draw(struct st_context *st) { struct gl_context *ctx = st->ctx; @@ -763,11 +775,10 @@ void st_init_draw( struct st_context *st ) } -void st_destroy_draw( struct st_context *st ) +void +st_destroy_draw(struct st_context *st) { #if FEATURE_feedback || FEATURE_rastpos draw_destroy(st->draw); #endif } - - |