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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
commitb16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 (patch)
tree4361edef0d42d5bf5ac984ef72b4fac35426eae7 /nx-X11/extras/Mesa/src/mesa/drivers/fbdev/glfbdev.c
parent0d5a83e986f39982c0924652a3662e60b1f23162 (diff)
downloadnx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.tar.gz
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massive reduction of unneeded files
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/fbdev/glfbdev.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/fbdev/glfbdev.c861
1 files changed, 0 insertions, 861 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/fbdev/glfbdev.c b/nx-X11/extras/Mesa/src/mesa/drivers/fbdev/glfbdev.c
deleted file mode 100644
index c8d9375b6..000000000
--- a/nx-X11/extras/Mesa/src/mesa/drivers/fbdev/glfbdev.c
+++ /dev/null
@@ -1,861 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.1
- *
- * Copyright (C) 1999-2004 Brian Paul 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, sublicense,
- * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL 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.
- */
-
-
-/*
- * OpenGL (Mesa) interface for fbdev.
- * For info about fbdev:
- * http://www.tldp.org/HOWTO/Framebuffer-HOWTO.html
- *
- * known VGA modes
- * Colours 640x400 640x480 800x600 1024x768 1152x864 1280x1024 1600x1200
- * --------+--------------------------------------------------------------
- * 4 bits | ? ? 0x302 ? ? ? ?
- * 8 bits | 0x300 0x301 0x303 0x305 0x161 0x307 0x31C
- * 15 bits | ? 0x310 0x313 0x316 0x162 0x319 0x31D
- * 16 bits | ? 0x311 0x314 0x317 0x163 0x31A 0x31E
- * 24 bits | ? 0x312 0x315 0x318 ? 0x31B 0x31F
- * 32 bits | ? ? ? ? 0x164 ?
- */
-#ifdef USE_GLFBDEV_DRIVER
-
-#include "glheader.h"
-#include <linux/fb.h>
-#include "GL/glfbdev.h"
-#include "buffers.h"
-#include "context.h"
-#include "extensions.h"
-#include "fbobject.h"
-#include "framebuffer.h"
-#include "imports.h"
-#include "renderbuffer.h"
-#include "texformat.h"
-#include "teximage.h"
-#include "texstore.h"
-#include "array_cache/acache.h"
-#include "swrast/swrast.h"
-#include "swrast_setup/swrast_setup.h"
-#include "tnl/tnl.h"
-#include "tnl/t_context.h"
-#include "tnl/t_pipeline.h"
-#include "drivers/common/driverfuncs.h"
-
-
-#define PF_B8G8R8 1
-#define PF_B8G8R8A8 2
-#define PF_B5G6R5 3
-#define PF_B5G5R5 4
-#define PF_CI8 5
-
-
-/*
- * Derived from Mesa's GLvisual class.
- */
-struct GLFBDevVisualRec {
- GLvisual glvisual; /* base class */
- struct fb_fix_screeninfo fix;
- struct fb_var_screeninfo var;
- int pixelFormat;
-};
-
-/*
- * Derived from Mesa's GLframebuffer class.
- */
-struct GLFBDevBufferRec {
- GLframebuffer glframebuffer; /* base class */
- GLFBDevVisualPtr visual;
- struct fb_fix_screeninfo fix;
- struct fb_var_screeninfo var;
- size_t size; /* color buffer size in bytes */
- GLuint bytesPerPixel;
-};
-
-/*
- * Derived from Mesa's GLcontext class.
- */
-struct GLFBDevContextRec {
- GLcontext glcontext; /* base class */
- GLFBDevVisualPtr visual;
- GLFBDevBufferPtr drawBuffer;
- GLFBDevBufferPtr readBuffer;
- GLFBDevBufferPtr curBuffer;
-};
-
-/*
- * Derived from Mesa's gl_renderbuffer class.
- */
-struct GLFBDevRenderbufferRec {
- struct gl_renderbuffer Base;
- GLubyte *bottom; /* pointer to last row */
- GLuint rowStride; /* in bytes */
- GLboolean mallocedBuffer;
-};
-
-
-
-#define GLFBDEV_CONTEXT(CTX) ((GLFBDevContextPtr) (CTX))
-#define GLFBDEV_BUFFER(BUF) ((GLFBDevBufferPtr) (BUF))
-
-
-/**********************************************************************/
-/* Internal device driver functions */
-/**********************************************************************/
-
-
-static const GLubyte *
-get_string(GLcontext *ctx, GLenum pname)
-{
- (void) ctx;
- switch (pname) {
- case GL_RENDERER:
- return (const GLubyte *) "Mesa glfbdev";
- default:
- return NULL;
- }
-}
-
-
-static void
-update_state( GLcontext *ctx, GLuint new_state )
-{
- /* not much to do here - pass it on */
- _swrast_InvalidateState( ctx, new_state );
- _swsetup_InvalidateState( ctx, new_state );
- _ac_InvalidateState( ctx, new_state );
- _tnl_InvalidateState( ctx, new_state );
-}
-
-
-static void
-get_buffer_size( GLframebuffer *buffer, GLuint *width, GLuint *height )
-{
- const GLFBDevBufferPtr fbdevbuffer = GLFBDEV_BUFFER(buffer);
- *width = fbdevbuffer->var.xres_virtual;
- *height = fbdevbuffer->var.yres_virtual;
-}
-
-
-static void
-viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
-{
- /* poll for window size change and realloc software Z/stencil/etc if needed */
- _mesa_ResizeBuffersMESA();
-}
-
-
-/* specifies the buffer for swrast span rendering/reading */
-static void
-set_buffer( GLcontext *ctx, GLframebuffer *buffer, GLuint bufferBit )
-{
- /* this is a no-op when using the new gl_renderbuffer span functions. */
-}
-
-
-/*
- * Generate code for span functions.
- */
-
-/* 24-bit BGR */
-#define NAME(PREFIX) PREFIX##_B8G8R8
-#define FORMAT GL_RGBA8
-#define SPAN_VARS \
- struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb;
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = frb->bottom - (Y) * frb->rowStride + (X) * 3
-#define INC_PIXEL_PTR(P) P += 3
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[0] = VALUE[BCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[2] = VALUE[RCOMP]
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[2]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[0]; \
- DST[ACOMP] = CHAN_MAX
-
-#include "swrast/s_spantemp2.h"
-
-
-/* 32-bit BGRA */
-#define NAME(PREFIX) PREFIX##_B8G8R8A8
-#define FORMAT GL_RGBA8
-#define SPAN_VARS \
- struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb;
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = frb->bottom - (Y) * frb->rowStride + (X) * 4
-#define INC_PIXEL_PTR(P) P += 4
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[0] = VALUE[BCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[2] = VALUE[RCOMP]; \
- DST[3] = VALUE[ACOMP]
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[2]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[0]; \
- DST[ACOMP] = SRC[3]
-
-#include "swrast/s_spantemp2.h"
-
-
-/* 16-bit BGR (XXX implement dithering someday) */
-#define NAME(PREFIX) PREFIX##_B5G6R5
-#define FORMAT GL_RGBA8
-#define SPAN_VARS \
- struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb;
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) (frb->bottom - (Y) * frb->rowStride + (X) * 2)
-#define INC_PIXEL_PTR(P) P += 1
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[0] = ( (((VALUE[RCOMP]) & 0xf8) << 8) | (((VALUE[GCOMP]) & 0xfc) << 3) | ((VALUE[BCOMP]) >> 3) )
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = ( (((SRC[0]) >> 8) & 0xf8) | (((SRC[0]) >> 11) & 0x7) ); \
- DST[GCOMP] = ( (((SRC[0]) >> 3) & 0xfc) | (((SRC[0]) >> 5) & 0x3) ); \
- DST[BCOMP] = ( (((SRC[0]) << 3) & 0xf8) | (((SRC[0]) ) & 0x7) ); \
- DST[ACOMP] = CHAN_MAX
-
-#include "swrast/s_spantemp2.h"
-
-
-/* 15-bit BGR (XXX implement dithering someday) */
-#define NAME(PREFIX) PREFIX##_B5G5R5
-#define FORMAT GL_RGBA8
-#define SPAN_VARS \
- struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb;
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) (frb->bottom - (Y) * frb->rowStride + (X) * 2)
-#define INC_PIXEL_PTR(P) P += 1
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[0] = ( (((VALUE[RCOMP]) & 0xf8) << 7) | (((VALUE[GCOMP]) & 0xf8) << 2) | ((VALUE[BCOMP]) >> 3) )
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = ( (((SRC[0]) >> 7) & 0xf8) | (((SRC[0]) >> 10) & 0x7) ); \
- DST[GCOMP] = ( (((SRC[0]) >> 2) & 0xf8) | (((SRC[0]) >> 5) & 0x7) ); \
- DST[BCOMP] = ( (((SRC[0]) << 3) & 0xf8) | (((SRC[0]) ) & 0x7) ); \
- DST[ACOMP] = CHAN_MAX
-
-#include "swrast/s_spantemp2.h"
-
-
-/* 8-bit color index */
-#define NAME(PREFIX) PREFIX##_CI8
-#define FORMAT GL_COLOR_INDEX8_EXT
-#define SPAN_VARS \
- struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb;
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = frb->bottom - (Y) * frb->rowStride + (X)
-#define INC_PIXEL_PTR(P) P += 1
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- *DST = VALUE[0]
-#define FETCH_PIXEL(DST, SRC) \
- DST = SRC[0]
-
-#include "swrast/s_spantemp2.h"
-
-
-
-
-/**********************************************************************/
-/* Public API functions */
-/**********************************************************************/
-
-
-const char *
-glFBDevGetString( int str )
-{
- switch (str) {
- case GLFBDEV_VENDOR:
- return "Mesa Project";
- case GLFBDEV_VERSION:
- return "1.0.0";
- default:
- return NULL;
- }
-}
-
-
-const GLFBDevProc
-glFBDevGetProcAddress( const char *procName )
-{
- struct name_address {
- const char *name;
- const GLFBDevProc func;
- };
- static const struct name_address functions[] = {
- { "glFBDevGetString", (GLFBDevProc) glFBDevGetString },
- { "glFBDevGetProcAddress", (GLFBDevProc) glFBDevGetProcAddress },
- { "glFBDevCreateVisual", (GLFBDevProc) glFBDevCreateVisual },
- { "glFBDevDestroyVisual", (GLFBDevProc) glFBDevDestroyVisual },
- { "glFBDevGetVisualAttrib", (GLFBDevProc) glFBDevGetVisualAttrib },
- { "glFBDevCreateBuffer", (GLFBDevProc) glFBDevCreateBuffer },
- { "glFBDevDestroyBuffer", (GLFBDevProc) glFBDevDestroyBuffer },
- { "glFBDevGetBufferAttrib", (GLFBDevProc) glFBDevGetBufferAttrib },
- { "glFBDevGetCurrentDrawBuffer", (GLFBDevProc) glFBDevGetCurrentDrawBuffer },
- { "glFBDevGetCurrentReadBuffer", (GLFBDevProc) glFBDevGetCurrentReadBuffer },
- { "glFBDevSwapBuffers", (GLFBDevProc) glFBDevSwapBuffers },
- { "glFBDevCreateContext", (GLFBDevProc) glFBDevCreateContext },
- { "glFBDevDestroyContext", (GLFBDevProc) glFBDevDestroyContext },
- { "glFBDevGetContextAttrib", (GLFBDevProc) glFBDevGetContextAttrib },
- { "glFBDevGetCurrentContext", (GLFBDevProc) glFBDevGetCurrentContext },
- { "glFBDevMakeCurrent", (GLFBDevProc) glFBDevMakeCurrent },
- { NULL, NULL }
- };
- const struct name_address *entry;
- for (entry = functions; entry->name; entry++) {
- if (_mesa_strcmp(entry->name, procName) == 0) {
- return entry->func;
- }
- }
- return _glapi_get_proc_address(procName);
-}
-
-
-GLFBDevVisualPtr
-glFBDevCreateVisual( const struct fb_fix_screeninfo *fixInfo,
- const struct fb_var_screeninfo *varInfo,
- const int *attribs )
-{
- GLFBDevVisualPtr vis;
- const int *attrib;
- GLboolean rgbFlag = GL_TRUE, dbFlag = GL_FALSE, stereoFlag = GL_FALSE;
- GLint redBits = 0, greenBits = 0, blueBits = 0, alphaBits = 0;
- GLint indexBits = 0, depthBits = 0, stencilBits = 0;
- GLint accumRedBits = 0, accumGreenBits = 0;
- GLint accumBlueBits = 0, accumAlphaBits = 0;
- GLint numSamples = 0;
-
- ASSERT(fixInfo);
- ASSERT(varInfo);
-
- vis = CALLOC_STRUCT(GLFBDevVisualRec);
- if (!vis)
- return NULL;
-
- vis->fix = *fixInfo; /* struct assignment */
- vis->var = *varInfo; /* struct assignment */
-
- for (attrib = attribs; attrib && *attrib != GLFBDEV_NONE; attrib++) {
- switch (*attrib) {
- case GLFBDEV_DOUBLE_BUFFER:
- dbFlag = GL_TRUE;
- break;
- case GLFBDEV_COLOR_INDEX:
- rgbFlag = GL_FALSE;
- break;
- case GLFBDEV_DEPTH_SIZE:
- depthBits = attrib[1];
- attrib++;
- break;
- case GLFBDEV_STENCIL_SIZE:
- stencilBits = attrib[1];
- attrib++;
- break;
- case GLFBDEV_ACCUM_SIZE:
- accumRedBits = accumGreenBits = accumBlueBits = accumAlphaBits
- = attrib[1];
- attrib++;
- break;
- case GLFBDEV_LEVEL:
- /* ignored for now */
- break;
- default:
- /* unexpected token */
- _mesa_free(vis);
- return NULL;
- }
- }
-
- if (rgbFlag) {
- redBits = varInfo->red.length;
- greenBits = varInfo->green.length;
- blueBits = varInfo->blue.length;
- alphaBits = varInfo->transp.length;
-
- if ((fixInfo->visual == FB_VISUAL_TRUECOLOR ||
- fixInfo->visual == FB_VISUAL_DIRECTCOLOR)
- && varInfo->bits_per_pixel == 24
- && varInfo->red.offset == 16
- && varInfo->green.offset == 8
- && varInfo->blue.offset == 0) {
- vis->pixelFormat = PF_B8G8R8;
- }
- else if ((fixInfo->visual == FB_VISUAL_TRUECOLOR ||
- fixInfo->visual == FB_VISUAL_DIRECTCOLOR)
- && varInfo->bits_per_pixel == 32
- && varInfo->red.offset == 16
- && varInfo->green.offset == 8
- && varInfo->blue.offset == 0
- && varInfo->transp.offset == 24) {
- vis->pixelFormat = PF_B8G8R8A8;
- }
- else if ((fixInfo->visual == FB_VISUAL_TRUECOLOR ||
- fixInfo->visual == FB_VISUAL_DIRECTCOLOR)
- && varInfo->bits_per_pixel == 16
- && varInfo->red.offset == 11
- && varInfo->green.offset == 5
- && varInfo->blue.offset == 0) {
- vis->pixelFormat = PF_B5G6R5;
- }
- else if ((fixInfo->visual == FB_VISUAL_TRUECOLOR ||
- fixInfo->visual == FB_VISUAL_DIRECTCOLOR)
- && varInfo->bits_per_pixel == 16
- && varInfo->red.offset == 10
- && varInfo->green.offset == 5
- && varInfo->blue.offset == 0) {
- vis->pixelFormat = PF_B5G5R5;
- }
- else {
- _mesa_problem(NULL, "Unsupported fbdev RGB visual/bitdepth!\n");
- /*
- printf("fixInfo->visual = 0x%x\n", fixInfo->visual);
- printf("varInfo->bits_per_pixel = %d\n", varInfo->bits_per_pixel);
- printf("varInfo->red.offset = %d\n", varInfo->red.offset);
- printf("varInfo->green.offset = %d\n", varInfo->green.offset);
- printf("varInfo->blue.offset = %d\n", varInfo->blue.offset);
- */
- _mesa_free(vis);
- return NULL;
- }
- }
- else {
- indexBits = varInfo->bits_per_pixel;
- if ((fixInfo->visual == FB_VISUAL_PSEUDOCOLOR ||
- fixInfo->visual == FB_VISUAL_STATIC_PSEUDOCOLOR)
- && varInfo->bits_per_pixel == 8) {
- vis->pixelFormat = PF_CI8;
- }
- else {
- _mesa_problem(NULL, "Unsupported fbdev CI visual/bitdepth!\n");
- _mesa_free(vis);
- return NULL;
- }
- }
-
- if (!_mesa_initialize_visual(&vis->glvisual, rgbFlag, dbFlag, stereoFlag,
- redBits, greenBits, blueBits, alphaBits,
- indexBits, depthBits, stencilBits,
- accumRedBits, accumGreenBits,
- accumBlueBits, accumAlphaBits,
- numSamples)) {
- /* something was invalid */
- _mesa_free(vis);
- return NULL;
- }
-
- return vis;
-}
-
-
-void
-glFBDevDestroyVisual( GLFBDevVisualPtr visual )
-{
- if (visual)
- _mesa_free(visual);
-}
-
-
-int
-glFBDevGetVisualAttrib( const GLFBDevVisualPtr visual, int attrib)
-{
- /* XXX unfinished */
- (void) visual;
- (void) attrib;
- return -1;
-}
-
-
-static void
-delete_renderbuffer(struct gl_renderbuffer *rb)
-{
- struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb;
- if (frb->mallocedBuffer) {
- _mesa_free(frb->Base.Data);
- }
- _mesa_free(frb);
-}
-
-
-static GLboolean
-renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
- GLenum internalFormat, GLuint width, GLuint height)
-{
- /* no-op: the renderbuffer storage is allocated just once when it's
- * created. Never resized or reallocated.
- */
- return GL_TRUE;
-}
-
-
-static struct GLFBDevRenderbufferRec *
-new_glfbdev_renderbuffer(void *bufferStart, int pixelFormat)
-{
- struct GLFBDevRenderbufferRec *rb = CALLOC_STRUCT(GLFBDevRenderbufferRec);
- if (rb) {
- GLuint name = 0;
- _mesa_init_renderbuffer(&rb->Base, name);
-
- rb->Base.Delete = delete_renderbuffer;
- rb->Base.AllocStorage = renderbuffer_storage;
-
- if (pixelFormat == PF_B8G8R8) {
- rb->Base.GetRow = get_row_B8G8R8;
- rb->Base.GetValues = get_values_B8G8R8;
- rb->Base.PutRow = put_row_B8G8R8;
- rb->Base.PutMonoRow = put_mono_row_B8G8R8;
- rb->Base.PutValues = put_values_B8G8R8;
- rb->Base.PutMonoValues = put_mono_values_B8G8R8;
- }
- else if (pixelFormat == PF_B8G8R8A8) {
- rb->Base.GetRow = get_row_B8G8R8A8;
- rb->Base.GetValues = get_values_B8G8R8A8;
- rb->Base.PutRow = put_row_B8G8R8A8;
- rb->Base.PutMonoRow = put_mono_row_B8G8R8A8;
- rb->Base.PutValues = put_values_B8G8R8A8;
- rb->Base.PutMonoValues = put_mono_values_B8G8R8A8;
- }
- else if (pixelFormat == PF_B5G6R5) {
- rb->Base.GetRow = get_row_B5G6R5;
- rb->Base.GetValues = get_values_B5G6R5;
- rb->Base.PutRow = put_row_B5G6R5;
- rb->Base.PutMonoRow = put_mono_row_B5G6R5;
- rb->Base.PutValues = put_values_B5G6R5;
- rb->Base.PutMonoValues = put_mono_values_B5G6R5;
- }
- else if (pixelFormat == PF_B5G5R5) {
- rb->Base.GetRow = get_row_B5G5R5;
- rb->Base.GetValues = get_values_B5G5R5;
- rb->Base.PutRow = put_row_B5G5R5;
- rb->Base.PutMonoRow = put_mono_row_B5G5R5;
- rb->Base.PutValues = put_values_B5G5R5;
- rb->Base.PutMonoValues = put_mono_values_B5G5R5;
- }
- else if (pixelFormat == PF_CI8) {
- rb->Base.GetRow = get_row_CI8;
- rb->Base.GetValues = get_values_CI8;
- rb->Base.PutRow = put_row_CI8;
- rb->Base.PutMonoRow = put_mono_row_CI8;
- rb->Base.PutValues = put_values_CI8;
- rb->Base.PutMonoValues = put_mono_values_CI8;
- }
-
- if (pixelFormat == PF_CI8) {
- rb->Base.InternalFormat = GL_COLOR_INDEX8_EXT;
- rb->Base._BaseFormat = GL_COLOR_INDEX;
- }
- else {
- rb->Base.InternalFormat = GL_RGBA;
- rb->Base._BaseFormat = GL_RGBA;
- }
- rb->Base.DataType = GL_UNSIGNED_BYTE;
- rb->Base.Data = bufferStart;
- }
- return rb;
-}
-
-
-GLFBDevBufferPtr
-glFBDevCreateBuffer( const struct fb_fix_screeninfo *fixInfo,
- const struct fb_var_screeninfo *varInfo,
- const GLFBDevVisualPtr visual,
- void *frontBuffer, void *backBuffer, size_t size )
-{
- struct GLFBDevRenderbufferRec *frontrb, *backrb;
- GLFBDevBufferPtr buf;
-
- ASSERT(visual);
- ASSERT(frontBuffer);
- ASSERT(size > 0);
-
- if (visual->fix.visual != fixInfo->visual ||
- visual->fix.type != fixInfo->type ||
- visual->var.bits_per_pixel != varInfo->bits_per_pixel ||
- visual->var.grayscale != varInfo->grayscale ||
- visual->var.red.offset != varInfo->red.offset ||
- visual->var.green.offset != varInfo->green.offset ||
- visual->var.blue.offset != varInfo->blue.offset ||
- visual->var.transp.offset != varInfo->transp.offset) {
- /* visual mismatch! */
- return NULL;
- }
-
- buf = CALLOC_STRUCT(GLFBDevBufferRec);
- if (!buf)
- return NULL;
-
- /* basic framebuffer setup */
- _mesa_initialize_framebuffer(&buf->glframebuffer, &visual->glvisual);
- /* add front renderbuffer */
- frontrb = new_glfbdev_renderbuffer(frontBuffer, visual->pixelFormat);
- _mesa_add_renderbuffer(&buf->glframebuffer, BUFFER_FRONT_LEFT,
- &frontrb->Base);
- /* add back renderbuffer */
- if (visual->glvisual.doubleBufferMode) {
- backrb = new_glfbdev_renderbuffer(backBuffer, visual->pixelFormat);
- _mesa_add_renderbuffer(&buf->glframebuffer, BUFFER_BACK_LEFT,
- &backrb->Base);
- }
- /* add software renderbuffers */
- _mesa_add_soft_renderbuffers(&buf->glframebuffer,
- GL_FALSE, /* color */
- visual->glvisual.haveDepthBuffer,
- visual->glvisual.haveStencilBuffer,
- visual->glvisual.haveAccumBuffer,
- GL_FALSE, /* alpha */
- GL_FALSE /* aux bufs */);
-
-
-
- buf->fix = *fixInfo; /* struct assignment */
- buf->var = *varInfo; /* struct assignment */
- buf->visual = visual; /* ptr assignment */
- buf->size = size;
- buf->bytesPerPixel = visual->var.bits_per_pixel / 8;
- frontrb->rowStride = visual->var.xres_virtual * buf->bytesPerPixel;
- frontrb->bottom = (GLubyte *) frontrb->Base.Data
- + (visual->var.yres_virtual - 1) * frontrb->rowStride;
-
- if (visual->glvisual.doubleBufferMode) {
- if (!backBuffer) {
- /* malloc a back buffer */
- backrb->Base.Data = _mesa_malloc(size);
- if (!backrb->Base.Data) {
- _mesa_free_framebuffer_data(&buf->glframebuffer);
- _mesa_free(buf);
- return NULL;
- }
- backrb->mallocedBuffer = GL_TRUE;
- }
- backrb->rowStride = frontrb->rowStride;
- backrb->bottom = (GLubyte *) backrb->Base.Data
- + (visual->var.yres_virtual - 1) * backrb->rowStride;
- }
- else {
- backrb->bottom = NULL;
- backrb->rowStride = 0;
- }
-
- return buf;
-}
-
-
-void
-glFBDevDestroyBuffer( GLFBDevBufferPtr buffer )
-{
- if (buffer) {
- /* check if destroying the current buffer */
- GLFBDevBufferPtr curDraw = glFBDevGetCurrentDrawBuffer();
- GLFBDevBufferPtr curRead = glFBDevGetCurrentReadBuffer();
- if (buffer == curDraw || buffer == curRead) {
- glFBDevMakeCurrent( NULL, NULL, NULL);
- }
- /* free the software depth, stencil, accum buffers */
- _mesa_free_framebuffer_data(&buffer->glframebuffer);
- _mesa_free(buffer);
- }
-}
-
-
-int
-glFBDevGetBufferAttrib( const GLFBDevBufferPtr buffer, int attrib)
-{
- (void) buffer;
- (void) attrib;
- return -1;
-}
-
-
-GLFBDevBufferPtr
-glFBDevGetCurrentDrawBuffer( void )
-{
- GLFBDevContextPtr fbdevctx = glFBDevGetCurrentContext();
- if (fbdevctx)
- return fbdevctx->drawBuffer;
- else
- return NULL;
-}
-
-
-GLFBDevBufferPtr
-glFBDevGetCurrentReadBuffer( void )
-{
- GLFBDevContextPtr fbdevctx = glFBDevGetCurrentContext();
- if (fbdevctx)
- return fbdevctx->readBuffer;
- else
- return NULL;
-}
-
-
-void
-glFBDevSwapBuffers( GLFBDevBufferPtr buffer )
-{
- GLFBDevContextPtr fbdevctx = glFBDevGetCurrentContext();
- struct GLFBDevRenderbufferRec *frontrb = (struct GLFBDevRenderbufferRec *)
- buffer->glframebuffer.Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
- struct GLFBDevRenderbufferRec *backrb = (struct GLFBDevRenderbufferRec *)
- buffer->glframebuffer.Attachment[BUFFER_BACK_LEFT].Renderbuffer;
-
- if (!buffer || !buffer->visual->glvisual.doubleBufferMode)
- return;
-
- /* check if swapping currently bound buffer */
- if (fbdevctx->drawBuffer == buffer) {
- /* flush pending rendering */
- _mesa_notifySwapBuffers(&fbdevctx->glcontext);
- }
-
- ASSERT(frontrb->Base.Data);
- ASSERT(backrb->Base.Data);
- _mesa_memcpy(frontrb->Base.Data, backrb->Base.Data, buffer->size);
-}
-
-
-GLFBDevContextPtr
-glFBDevCreateContext( const GLFBDevVisualPtr visual, GLFBDevContextPtr share )
-{
- GLFBDevContextPtr ctx;
- GLcontext *glctx;
- struct dd_function_table functions;
-
- ASSERT(visual);
-
- ctx = CALLOC_STRUCT(GLFBDevContextRec);
- if (!ctx)
- return NULL;
-
- /* build table of device driver functions */
- _mesa_init_driver_functions(&functions);
- functions.GetString = get_string;
- functions.UpdateState = update_state;
- functions.GetBufferSize = get_buffer_size;
- functions.Viewport = viewport;
-
- if (!_mesa_initialize_context(&ctx->glcontext, &visual->glvisual,
- share ? &share->glcontext : NULL,
- &functions, (void *) ctx)) {
- _mesa_free(ctx);
- return NULL;
- }
-
- ctx->visual = visual;
-
- /* Create module contexts */
- glctx = (GLcontext *) &ctx->glcontext;
- _swrast_CreateContext( glctx );
- _ac_CreateContext( glctx );
- _tnl_CreateContext( glctx );
- _swsetup_CreateContext( glctx );
- _swsetup_Wakeup( glctx );
-
- /* swrast init */
- {
- struct swrast_device_driver *swdd;
- swdd = _swrast_GetDeviceDriverReference( glctx );
- swdd->SetBuffer = set_buffer;
-
- /* no longer used */
- swdd->WriteRGBASpan = NULL;
- swdd->WriteRGBSpan = NULL;
- swdd->WriteMonoRGBASpan = NULL;
- swdd->WriteRGBAPixels = NULL;
- swdd->WriteMonoRGBAPixels = NULL;
- swdd->ReadRGBASpan = NULL;
- swdd->ReadRGBAPixels = NULL;
- }
-
- /* use default TCL pipeline */
- {
- TNLcontext *tnl = TNL_CONTEXT(glctx);
- tnl->Driver.RunPipeline = _tnl_run_pipeline;
- }
-
- _mesa_enable_sw_extensions(glctx);
-
- return ctx;
-}
-
-
-void
-glFBDevDestroyContext( GLFBDevContextPtr context )
-{
- GLFBDevContextPtr fbdevctx = glFBDevGetCurrentContext();
-
- if (context) {
- if (fbdevctx == context) {
- /* destroying current context */
- _mesa_make_current(NULL, NULL, NULL);
- _mesa_notifyDestroy(&context->glcontext);
- }
- _mesa_free_context_data(&context->glcontext);
- _mesa_free(context);
- }
-}
-
-
-int
-glFBDevGetContextAttrib( const GLFBDevContextPtr context, int attrib)
-{
- (void) context;
- (void) attrib;
- return -1;
-}
-
-
-GLFBDevContextPtr
-glFBDevGetCurrentContext( void )
-{
- GET_CURRENT_CONTEXT(ctx);
- return (GLFBDevContextPtr) ctx;
-}
-
-
-int
-glFBDevMakeCurrent( GLFBDevContextPtr context,
- GLFBDevBufferPtr drawBuffer,
- GLFBDevBufferPtr readBuffer )
-{
- if (context && drawBuffer && readBuffer) {
- /* Make sure the context's visual and the buffers' visuals match.
- * XXX we might do this by comparing specific fields like bits_per_pixel,
- * visual, etc. in the future.
- */
- if (context->visual != drawBuffer->visual ||
- context->visual != readBuffer->visual) {
- return 0;
- }
- _mesa_make_current( &context->glcontext,
- &drawBuffer->glframebuffer,
- &readBuffer->glframebuffer );
- context->drawBuffer = drawBuffer;
- context->readBuffer = readBuffer;
- context->curBuffer = drawBuffer;
- }
- else {
- /* unbind */
- _mesa_make_current( NULL, NULL, NULL );
- }
-
- return 1;
-}
-
-#endif