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Diffstat (limited to 'src/mesa/drivers/allegro/amesa.c')
-rw-r--r--src/mesa/drivers/allegro/amesa.c414
1 files changed, 0 insertions, 414 deletions
diff --git a/src/mesa/drivers/allegro/amesa.c b/src/mesa/drivers/allegro/amesa.c
deleted file mode 100644
index 0744677d2bd..00000000000
--- a/src/mesa/drivers/allegro/amesa.c
+++ /dev/null
@@ -1,414 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 3.0
- * Copyright (C) 1995-1998 Brian Paul
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <allegro.h>
-#include "main/buffers.h"
-#include "main/context.h"
-#include "main/imports.h"
-#include "main/matrix.h"
-#include "main/mtypes.h"
-#include "amesa.h"
-
-
-struct amesa_visual
- {
- GLvisual *GLVisual; /* inherit from GLvisual */
- GLboolean DBFlag; /* double buffered? */
- GLuint Depth; /* bits per pixel ( >= 15 ) */
- };
-
-
-struct amesa_buffer
- {
- GLframebuffer *GLBuffer; /* inherit from GLframebuffer */
- GLuint Width, Height;
- BITMAP *Screen;
- BITMAP *Background;
- BITMAP *Active;
- };
-
-
-struct amesa_context
- {
- GLcontext *GLContext; /* inherit from GLcontext */
- AMesaVisual Visual;
- AMesaBuffer Buffer;
- GLuint ClearColor;
- GLuint CurrentColor;
- };
-
-
-static void setup_dd_pointers(GLcontext *ctx);
-
-
-/**********************************************************************/
-/***** drawing functions *****/
-/**********************************************************************/
-
-#define FLIP(context, y) (context->Buffer->Height - (y) - 1)
-
-#include "allegro/generic.h"
-#include "allegro/direct.h"
-
-
-/**********************************************************************/
-/***** 15-bit accelerated drawing funcs *****/
-/**********************************************************************/
-
-IMPLEMENT_WRITE_RGBA_SPAN(15, unsigned short)
-IMPLEMENT_WRITE_RGB_SPAN(15, unsigned short)
-IMPLEMENT_WRITE_MONO_RGBA_SPAN(15, unsigned short)
-IMPLEMENT_READ_RGBA_SPAN(15, unsigned short)
-IMPLEMENT_WRITE_RGBA_PIXELS(15, unsigned short)
-IMPLEMENT_WRITE_MONO_RGBA_PIXELS(15, unsigned short)
-IMPLEMENT_READ_RGBA_PIXELS(15, unsigned short)
-
-
-/**********************************************************************/
-/***** 16-bit accelerated drawing funcs *****/
-/**********************************************************************/
-
-IMPLEMENT_WRITE_RGBA_SPAN(16, unsigned short)
-IMPLEMENT_WRITE_RGB_SPAN(16, unsigned short)
-IMPLEMENT_WRITE_MONO_RGBA_SPAN(16, unsigned short)
-IMPLEMENT_READ_RGBA_SPAN(16, unsigned short)
-IMPLEMENT_WRITE_RGBA_PIXELS(16, unsigned short)
-IMPLEMENT_WRITE_MONO_RGBA_PIXELS(16, unsigned short)
-IMPLEMENT_READ_RGBA_PIXELS(16, unsigned short)
-
-
-/**********************************************************************/
-/***** 32-bit accelerated drawing funcs *****/
-/**********************************************************************/
-
-IMPLEMENT_WRITE_RGBA_SPAN(32, unsigned long)
-IMPLEMENT_WRITE_RGB_SPAN(32, unsigned long)
-IMPLEMENT_WRITE_MONO_RGBA_SPAN(32, unsigned long)
-IMPLEMENT_READ_RGBA_SPAN(32, unsigned long)
-IMPLEMENT_WRITE_RGBA_PIXELS(32, unsigned long)
-IMPLEMENT_WRITE_MONO_RGBA_PIXELS(32, unsigned long)
-IMPLEMENT_READ_RGBA_PIXELS(32, unsigned long)
-
-
-/**********************************************************************/
-/***** Miscellaneous device driver funcs *****/
-/**********************************************************************/
-
-static GLboolean set_buffer(GLcontext *ctx, GLframebuffer *buffer, GLuint bit)
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
- GLboolean ok = GL_TRUE;
-
- if (bit == DD_FRONT_LEFT_BIT)
- context->Buffer->Active = context->Buffer->Screen;
-
- else if (bit == DD_BACK_LEFT)
- {
- if (context->Buffer->Background)
- context->Buffer->Active = context->Buffer->Background;
- else
- ok = GL_FALSE;
- }
-
- else
- ok = GL_FALSE;
-
- return ok;
- }
-
-
-static void get_buffer_size(GLcontext *ctx, GLuint *width, GLuint *height)
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
-
- *width = context->Buffer->Width;
- *height = context->Buffer->Height;
- }
-
-
-/**
- * We only implement this function as a mechanism to check if the
- * framebuffer size has changed (and update corresponding state).
- */
-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 */
- GLuint newWidth, newHeight;
- GLframebuffer *buffer = ctx->WinSysDrawBuffer;
- get_buffer_size( &newWidth, &newHeight );
- if (buffer->Width != newWidth || buffer->Height != newHeight) {
- _mesa_resize_framebuffer(ctx, buffer, newWidth, newHeight );
- }
-
-}
-
-
-/**********************************************************************/
-/**********************************************************************/
-
-static void setup_dd_pointers(GLcontext *ctx)
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
-
- /* Initialize all the pointers in the driver struct. Do this whenever */
- /* a new context is made current or we change buffers via set_buffer! */
-
- ctx->Driver.UpdateState = setup_dd_pointers;
- ctx->Driver.SetBuffer = set_buffer;
- ctx->Driver.GetBufferSize = get_buffer_size;
- ctx->Driver.Viewport = viewport;
-
- ctx->Driver.Color = set_color_generic;
- ctx->Driver.ClearColor = clear_color_generic;
- ctx->Driver.Clear = clear_generic;
- ctx->Driver.WriteRGBASpan = write_rgba_span_generic;
- ctx->Driver.WriteRGBSpan = write_rgb_span_generic;
- ctx->Driver.WriteMonoRGBASpan = write_mono_rgba_span_generic;
- ctx->Driver.WriteRGBAPixels = write_rgba_pixels_generic;
- ctx->Driver.WriteMonoRGBAPixels = write_mono_rgba_pixels_generic;
- ctx->Driver.ReadRGBASpan = read_rgba_span_generic;
- ctx->Driver.ReadRGBAPixels = read_rgba_pixels_generic;
-
- if (context->Buffer->Active != screen)
- {
- switch (context->Visual->Depth)
- {
- case 15:
- ctx->Driver.WriteRGBASpan = write_rgba_span_15;
- ctx->Driver.WriteRGBSpan = write_rgb_span_15;
- ctx->Driver.WriteMonoRGBASpan = write_mono_rgba_span_15;
- ctx->Driver.WriteRGBAPixels = write_rgba_pixels_15;
- ctx->Driver.WriteMonoRGBAPixels = write_mono_rgba_pixels_15;
- ctx->Driver.ReadRGBASpan = read_rgba_span_15;
- ctx->Driver.ReadRGBAPixels = read_rgba_pixels_15;
- break;
-
- case 16:
- ctx->Driver.WriteRGBASpan = write_rgba_span_16;
- ctx->Driver.WriteRGBSpan = write_rgb_span_16;
- ctx->Driver.WriteMonoRGBASpan = write_mono_rgba_span_16;
- ctx->Driver.WriteRGBAPixels = write_rgba_pixels_16;
- ctx->Driver.WriteMonoRGBAPixels = write_mono_rgba_pixels_16;
- ctx->Driver.ReadRGBASpan = read_rgba_span_16;
- ctx->Driver.ReadRGBAPixels = read_rgba_pixels_16;
- break;
-
- case 32:
- ctx->Driver.WriteRGBASpan = write_rgba_span_32;
- ctx->Driver.WriteRGBSpan = write_rgb_span_32;
- ctx->Driver.WriteMonoRGBASpan = write_mono_rgba_span_32;
- ctx->Driver.WriteRGBAPixels = write_rgba_pixels_32;
- ctx->Driver.WriteMonoRGBAPixels = write_mono_rgba_pixels_32;
- ctx->Driver.ReadRGBASpan = read_rgba_span_32;
- ctx->Driver.ReadRGBAPixels = read_rgba_pixels_32;
- break;
- }
- }
- }
-
-
-/**********************************************************************/
-/***** AMesa Public API Functions *****/
-/**********************************************************************/
-
-
-AMesaVisual AMesaCreateVisual(GLboolean dbFlag, GLint depth,
- GLint depthSize, GLint stencilSize, GLint accumSize)
- {
- AMesaVisual visual;
- GLbyte redBits, greenBits, blueBits;
-
- visual = (AMesaVisual)calloc(1, sizeof(struct amesa_visual));
- if (!visual)
- return NULL;
-
- switch (depth)
- {
- case 15:
- redBits = 5;
- greenBits = 5;
- blueBits = 5;
- break;
-
- case 16:
- redBits = 5;
- greenBits = 6;
- blueBits = 5;
- break;
-
- case 24: case 32:
- redBits = 8;
- greenBits = 8;
- blueBits = 8;
- break;
-
- default:
- free(visual);
- return NULL;
- }
-
- visual->DBFlag = dbFlag;
- visual->Depth = depth;
- visual->GLVisual = _mesa_create_visual(GL_TRUE, /* rgb mode */
- dbFlag, /* db_flag */
- GL_FALSE, /* stereo */
- redBits, greenBits, blueBits, 8,
- 0, /* index bits */
- depthSize, /* depth bits */
- stencilSize,/* stencil bits */
- accumSize, /* accum bits */
- accumSize, /* accum bits */
- accumSize, /* accum bits */
- accumSize, /* accum bits */
- 1 );
- if (!visual->GLVisual)
- {
- free(visual);
- return NULL;
- }
-
- return visual;
- }
-
-
-void AMesaDestroyVisual(AMesaVisual visual)
- {
- _mesa_destroy_visual(visual->GLVisual);
- free(visual);
- }
-
-
-AMesaBuffer AMesaCreateBuffer(AMesaVisual visual,
- GLint width, GLint height)
- {
- AMesaBuffer buffer;
-
- buffer = (AMesaBuffer)calloc(1, sizeof(struct amesa_buffer));
- if (!buffer)
- return NULL;
-
- buffer->Screen = NULL;
- buffer->Background = NULL;
- buffer->Active = NULL;
- buffer->Width = width;
- buffer->Height = height;
-
- if (visual->DBFlag)
- {
- buffer->Background = create_bitmap_ex(visual->Depth, width, height);
- if (!buffer->Background)
- {
- free(buffer);
- return NULL;
- }
- }
-
- buffer->GLBuffer = _mesa_create_framebuffer(visual->GLVisual);
- if (!buffer->GLBuffer)
- {
- if (buffer->Background) destroy_bitmap(buffer->Background);
- free(buffer);
- return NULL;
- }
-
- return buffer;
- }
-
-
-void AMesaDestroyBuffer(AMesaBuffer buffer)
-{
- if (buffer->Screen) destroy_bitmap(buffer->Screen);
- if (buffer->Background) destroy_bitmap(buffer->Background);
- _mesa_reference_framebuffer(&buffer->GLBuffer, NULL);
- free(buffer);
-}
-
-
-AMesaContext AMesaCreateContext(AMesaVisual visual,
- AMesaContext share)
-{
- AMesaContext context;
- GLboolean direct = GL_FALSE;
-
- context = (AMesaContext)calloc(1, sizeof(struct amesa_context));
- if (!context)
- return NULL;
-
- context->Visual = visual;
- context->Buffer = NULL;
- context->ClearColor = 0;
- context->CurrentColor = 0;
- context->GLContext = _mesa_create_context(visual->GLVisual,
- share ? share->GLContext : NULL,
- (void *) context, GL_FALSE );
- if (!context->GLContext)
- {
- free(context);
- return NULL;
- }
-
- return context;
-}
-
-
-void AMesaDestroyContext(AMesaContext context)
-{
- _mesa_destroy_context(context->GLContext);
- free(context);
-}
-
-
-GLboolean AMesaMakeCurrent(AMesaContext context, AMesaBuffer buffer)
-{
- if (context && buffer) {
- set_color_depth(context->Visual->Depth);
- if (set_gfx_mode(GFX_AUTODETECT, buffer->Width, buffer->Height, 0, 0) != 0)
- return GL_FALSE;
-
- context->Buffer = buffer;
- buffer->Screen = screen;
- buffer->Active = buffer->Background ? buffer->Background : screen;
-
- setup_dd_pointers(context->GLContext);
- _mesa_make_current(context->GLContext, buffer->GLBuffer);
- }
- else {
- /* XXX I don't think you want to destroy anything here! */
- destroy_bitmap(context->Buffer->Screen);
- context->Buffer->Screen = NULL;
- context->Buffer->Active = NULL;
- context->Buffer = NULL;
- _mesa_make_current(NULL, NULL);
- }
-
- return GL_TRUE;
-}
-
-
-void AMesaSwapBuffers(AMesaBuffer buffer)
-{
- if (buffer->Background) {
- blit(buffer->Background, buffer->Screen,
- 0, 0, 0, 0,
- buffer->Width, buffer->Height);
- }
-}
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