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-rw-r--r--src/mesa/drivers/allegro/amesa.c824
-rw-r--r--src/mesa/drivers/allegro/direct.h378
-rw-r--r--src/mesa/drivers/allegro/generic.h468
3 files changed, 835 insertions, 835 deletions
diff --git a/src/mesa/drivers/allegro/amesa.c b/src/mesa/drivers/allegro/amesa.c
index 518211ccf4..c12d42148b 100644
--- a/src/mesa/drivers/allegro/amesa.c
+++ b/src/mesa/drivers/allegro/amesa.c
@@ -1,414 +1,414 @@
-/*
- * 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 "buffers.h"
-#include "context.h"
-#include "imports.h"
-#include "matrix.h"
+/*
+ * 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 "buffers.h"
+#include "context.h"
+#include "imports.h"
+#include "matrix.h"
#include "mtypes.h"
-#include "GL/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_unreference_framebuffer(&buffer->GLBuffer);
- 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 {
+#include "GL/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_unreference_framebuffer(&buffer->GLBuffer);
+ 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);
- }
-}
+ 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);
+ }
+}
diff --git a/src/mesa/drivers/allegro/direct.h b/src/mesa/drivers/allegro/direct.h
index 3998fc19d7..bd8b5eb49d 100644
--- a/src/mesa/drivers/allegro/direct.h
+++ b/src/mesa/drivers/allegro/direct.h
@@ -1,189 +1,189 @@
-/*
- * 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.
- */
-
-
-#define DESTINATION(BMP, X, Y, TYPE) \
- ({ \
- BITMAP *_bmp = BMP; \
- \
- (TYPE*)(_bmp->line[_bmp->h - (Y) - 1]) + (X); \
- })
-
-
-#define IMPLEMENT_WRITE_RGBA_SPAN(DEPTH, TYPE) \
-static void write_rgba_span_##DEPTH (const GLcontext *ctx, \
- GLuint n, GLint x, GLint y, \
- const GLubyte rgba[][4], \
- const GLubyte mask[]) \
- { \
- AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
- TYPE *d = DESTINATION(context->Buffer->Active, x, y, TYPE); \
- \
- if (mask) \
- { \
- while (n--) \
- { \
- if (mask[0]) d[0] = makecol##DEPTH(rgba[0][RCOMP], rgba[0][GCOMP], rgba[0][BCOMP]); \
- d++; rgba++; mask++; \
- } \
- } \
- else \
- { \
- while (n--) \
- { \
- d[0] = makecol##DEPTH(rgba[0][RCOMP], rgba[0][GCOMP], rgba[0][BCOMP]); \
- d++; rgba++; \
- } \
- } \
- }
-
-
-#define IMPLEMENT_WRITE_RGB_SPAN(DEPTH, TYPE) \
-static void write_rgb_span_##DEPTH (const GLcontext *ctx, \
- GLuint n, GLint x, GLint y, \
- const GLubyte rgb[][3], \
- const GLubyte mask[]) \
- { \
- AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
- TYPE *d = DESTINATION(context->Buffer->Active, x, y, TYPE); \
- \
- if (mask) \
- { \
- while (n--) \
- { \
- if (mask[0]) d[0] = makecol##DEPTH(rgb[0][RCOMP], rgb[0][GCOMP], rgb[0][BCOMP]); \
- d++; rgb++; mask++; \
- } \
- } \
- else \
- { \
- while (n--) \
- { \
- d[0] = makecol##DEPTH(rgb[0][RCOMP], rgb[0][GCOMP], rgb[0][BCOMP]); \
- d++; rgb++; \
- } \
- } \
- }
-
-
-#define IMPLEMENT_WRITE_MONO_RGBA_SPAN(DEPTH, TYPE) \
-static void write_mono_rgba_span_##DEPTH (const GLcontext *ctx, \
- GLuint n, GLint x, GLint y, \
- const GLubyte mask[]) \
- { \
- AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
- TYPE color = context->CurrentColor; \
- TYPE *d = DESTINATION(context->Buffer->Active, x, y, TYPE); \
- \
- while (n--) \
- { \
- if (mask[0]) d[0] = color; \
- d++; mask++; \
- } \
- }
-
-
-#define IMPLEMENT_READ_RGBA_SPAN(DEPTH, TYPE) \
-static void read_rgba_span_##DEPTH (const GLcontext *ctx, \
- GLuint n, GLint x, GLint y, \
- GLubyte rgba[][4]) \
- { \
- AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
- BITMAP *bmp = context->Buffer->Active; \
- TYPE *d = DESTINATION(bmp, x, y, TYPE); \
- \
- while (n--) \
- { \
- rgba[0][RCOMP] = getr##DEPTH(d[0]); \
- rgba[0][GCOMP] = getg##DEPTH(d[0]); \
- rgba[0][BCOMP] = getb##DEPTH(d[0]); \
- rgba[0][ACOMP] = 255; \
- \
- d++; rgba++; \
- } \
- }
-
-
-#define IMPLEMENT_WRITE_RGBA_PIXELS(DEPTH, TYPE) \
-static void write_rgba_pixels_##DEPTH (const GLcontext *ctx, \
- GLuint n, \
- const GLint x[], \
- const GLint y[], \
- const GLubyte rgba[][4], \
- const GLubyte mask[]) \
- { \
- AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
- BITMAP *bmp = context->Buffer->Active; \
- \
- while (n--) \
- { \
- if (mask[0]) *DESTINATION(bmp, x[0], y[0], TYPE) = makecol##DEPTH(rgba[0][RCOMP], rgba[0][GCOMP], rgba[0][BCOMP]); \
- rgba++; x++; y++; mask++; \
- } \
- }
-
-
-
-#define IMPLEMENT_WRITE_MONO_RGBA_PIXELS(DEPTH, TYPE) \
-static void write_mono_rgba_pixels_##DEPTH (const GLcontext *ctx, \
- GLuint n, \
- const GLint x[], \
- const GLint y[], \
- const GLubyte mask[]) \
- { \
- AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
- TYPE color = context->CurrentColor; \
- BITMAP *bmp = context->Buffer->Active; \
- \
- while (n--) \
- { \
- if (mask[0]) *DESTINATION(bmp, x[0], y[0], TYPE) = color; \
- x++; y++; mask++; \
- } \
- }
-
-
-#define IMPLEMENT_READ_RGBA_PIXELS(DEPTH, TYPE) \
-static void read_rgba_pixels_##DEPTH (const GLcontext *ctx, \
- GLuint n, \
- const GLint x[], \
- const GLint y[], \
- GLubyte rgba[][4], \
- const GLubyte mask[]) \
- { \
- AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
- BITMAP *bmp = context->Buffer->Active; \
- \
- while (n--) \
- { \
- if (mask[0]) \
- { \
- int color = *DESTINATION(bmp, x[0], y[0], TYPE); \
- \
- rgba[0][RCOMP] = getr##DEPTH(color); \
- rgba[0][GCOMP] = getg##DEPTH(color); \
- rgba[0][BCOMP] = getb##DEPTH(color); \
- rgba[0][ACOMP] = 255; \
- } \
- \
- x++; y++; rgba++; mask++; \
- } \
- }
-
+/*
+ * 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.
+ */
+
+
+#define DESTINATION(BMP, X, Y, TYPE) \
+ ({ \
+ BITMAP *_bmp = BMP; \
+ \
+ (TYPE*)(_bmp->line[_bmp->h - (Y) - 1]) + (X); \
+ })
+
+
+#define IMPLEMENT_WRITE_RGBA_SPAN(DEPTH, TYPE) \
+static void write_rgba_span_##DEPTH (const GLcontext *ctx, \
+ GLuint n, GLint x, GLint y, \
+ const GLubyte rgba[][4], \
+ const GLubyte mask[]) \
+ { \
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
+ TYPE *d = DESTINATION(context->Buffer->Active, x, y, TYPE); \
+ \
+ if (mask) \
+ { \
+ while (n--) \
+ { \
+ if (mask[0]) d[0] = makecol##DEPTH(rgba[0][RCOMP], rgba[0][GCOMP], rgba[0][BCOMP]); \
+ d++; rgba++; mask++; \
+ } \
+ } \
+ else \
+ { \
+ while (n--) \
+ { \
+ d[0] = makecol##DEPTH(rgba[0][RCOMP], rgba[0][GCOMP], rgba[0][BCOMP]); \
+ d++; rgba++; \
+ } \
+ } \
+ }
+
+
+#define IMPLEMENT_WRITE_RGB_SPAN(DEPTH, TYPE) \
+static void write_rgb_span_##DEPTH (const GLcontext *ctx, \
+ GLuint n, GLint x, GLint y, \
+ const GLubyte rgb[][3], \
+ const GLubyte mask[]) \
+ { \
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
+ TYPE *d = DESTINATION(context->Buffer->Active, x, y, TYPE); \
+ \
+ if (mask) \
+ { \
+ while (n--) \
+ { \
+ if (mask[0]) d[0] = makecol##DEPTH(rgb[0][RCOMP], rgb[0][GCOMP], rgb[0][BCOMP]); \
+ d++; rgb++; mask++; \
+ } \
+ } \
+ else \
+ { \
+ while (n--) \
+ { \
+ d[0] = makecol##DEPTH(rgb[0][RCOMP], rgb[0][GCOMP], rgb[0][BCOMP]); \
+ d++; rgb++; \
+ } \
+ } \
+ }
+
+
+#define IMPLEMENT_WRITE_MONO_RGBA_SPAN(DEPTH, TYPE) \
+static void write_mono_rgba_span_##DEPTH (const GLcontext *ctx, \
+ GLuint n, GLint x, GLint y, \
+ const GLubyte mask[]) \
+ { \
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
+ TYPE color = context->CurrentColor; \
+ TYPE *d = DESTINATION(context->Buffer->Active, x, y, TYPE); \
+ \
+ while (n--) \
+ { \
+ if (mask[0]) d[0] = color; \
+ d++; mask++; \
+ } \
+ }
+
+
+#define IMPLEMENT_READ_RGBA_SPAN(DEPTH, TYPE) \
+static void read_rgba_span_##DEPTH (const GLcontext *ctx, \
+ GLuint n, GLint x, GLint y, \
+ GLubyte rgba[][4]) \
+ { \
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
+ BITMAP *bmp = context->Buffer->Active; \
+ TYPE *d = DESTINATION(bmp, x, y, TYPE); \
+ \
+ while (n--) \
+ { \
+ rgba[0][RCOMP] = getr##DEPTH(d[0]); \
+ rgba[0][GCOMP] = getg##DEPTH(d[0]); \
+ rgba[0][BCOMP] = getb##DEPTH(d[0]); \
+ rgba[0][ACOMP] = 255; \
+ \
+ d++; rgba++; \
+ } \
+ }
+
+
+#define IMPLEMENT_WRITE_RGBA_PIXELS(DEPTH, TYPE) \
+static void write_rgba_pixels_##DEPTH (const GLcontext *ctx, \
+ GLuint n, \
+ const GLint x[], \
+ const GLint y[], \
+ const GLubyte rgba[][4], \
+ const GLubyte mask[]) \
+ { \
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
+ BITMAP *bmp = context->Buffer->Active; \
+ \
+ while (n--) \
+ { \
+ if (mask[0]) *DESTINATION(bmp, x[0], y[0], TYPE) = makecol##DEPTH(rgba[0][RCOMP], rgba[0][GCOMP], rgba[0][BCOMP]); \
+ rgba++; x++; y++; mask++; \
+ } \
+ }
+
+
+
+#define IMPLEMENT_WRITE_MONO_RGBA_PIXELS(DEPTH, TYPE) \
+static void write_mono_rgba_pixels_##DEPTH (const GLcontext *ctx, \
+ GLuint n, \
+ const GLint x[], \
+ const GLint y[], \
+ const GLubyte mask[]) \
+ { \
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
+ TYPE color = context->CurrentColor; \
+ BITMAP *bmp = context->Buffer->Active; \
+ \
+ while (n--) \
+ { \
+ if (mask[0]) *DESTINATION(bmp, x[0], y[0], TYPE) = color; \
+ x++; y++; mask++; \
+ } \
+ }
+
+
+#define IMPLEMENT_READ_RGBA_PIXELS(DEPTH, TYPE) \
+static void read_rgba_pixels_##DEPTH (const GLcontext *ctx, \
+ GLuint n, \
+ const GLint x[], \
+ const GLint y[], \
+ GLubyte rgba[][4], \
+ const GLubyte mask[]) \
+ { \
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx); \
+ BITMAP *bmp = context->Buffer->Active; \
+ \
+ while (n--) \
+ { \
+ if (mask[0]) \
+ { \
+ int color = *DESTINATION(bmp, x[0], y[0], TYPE); \
+ \
+ rgba[0][RCOMP] = getr##DEPTH(color); \
+ rgba[0][GCOMP] = getg##DEPTH(color); \
+ rgba[0][BCOMP] = getb##DEPTH(color); \
+ rgba[0][ACOMP] = 255; \
+ } \
+ \
+ x++; y++; rgba++; mask++; \
+ } \
+ }
+
diff --git a/src/mesa/drivers/allegro/generic.h b/src/mesa/drivers/allegro/generic.h
index cbdf5ff2b3..4c8af9b95c 100644
--- a/src/mesa/drivers/allegro/generic.h
+++ b/src/mesa/drivers/allegro/generic.h
@@ -1,234 +1,234 @@
-/*
- * 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.
- */
-
-static void clear_color_generic(GLcontext *ctx, const GLfloat color[4])
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
- GLubyte r, g, b;
- CLAMPED_FLOAT_TO_UBYTE(r, color[0]);
- CLAMPED_FLOAT_TO_UBYTE(g, color[1]);
- CLAMPED_FLOAT_TO_UBYTE(b, color[2]);
- context->ClearColor = makecol(r, g, b);
- }
-
-
-static void set_color_generic(GLcontext *ctx,
- GLubyte red, GLubyte green,
- GLubyte blue, GLubyte alpha)
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
-
- context->CurrentColor = makecol(red, green, blue);
- }
-
-
-static GLbitfield clear_generic(GLcontext *ctx,
- GLbitfield mask, GLboolean all,
- GLint x, GLint y,
- GLint width, GLint height)
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
-
- if (mask & GL_COLOR_BUFFER_BIT)
- {
- if (all)
- clear_to_color(context->Buffer->Active, context->ClearColor);
- else
- rect(context->Buffer->Active,
- x, y, x+width-1, y+height-1,
- context->ClearColor);
- }
-
- return mask & (~GL_COLOR_BUFFER_BIT);
- }
-
-
-static void write_rgba_span_generic(const GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- const GLubyte rgba[][4],
- const GLubyte mask[])
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
- BITMAP *bmp = context->Buffer->Active;
-
- y = FLIP(context, y);
-
- if (mask)
- {
- while (n--)
- {
- if (mask[0]) putpixel(bmp, x, y, makecol(rgba[0][RCOMP], rgba[0][GCOMP], rgba[0][BCOMP]));
- x++; mask++; rgba++;
- }
- }
- else
- {
- while (n--)
- {
- putpixel(bmp, x, y, makecol(rgba[0][RCOMP], rgba[0][GCOMP], rgba[0][BCOMP]));
- x++; rgba++;
- }
- }
- }
-
-
-static void write_rgb_span_generic(const GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- const GLubyte rgb[][3],
- const GLubyte mask[])
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
- BITMAP *bmp = context->Buffer->Active;
-
- y = FLIP(context, y);
-
- if (mask)
- {
- while(n--)
- {
- if (mask[0]) putpixel(bmp, x, y, makecol(rgb[0][RCOMP], rgb[0][GCOMP], rgb[0][BCOMP]));
- x++; mask++; rgb++;
- }
- }
- else
- {
- while (n--)
- {
- putpixel(bmp, x, y, makecol(rgb[0][RCOMP], rgb[0][GCOMP], rgb[0][BCOMP]));
- x++; rgb++;
- }
- }
- }
-
-
-static void write_mono_rgba_span_generic(const GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- const GLubyte mask[])
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
- BITMAP *bmp = context->Buffer->Active;
- int color = context->CurrentColor;
-
- y = FLIP(context, y);
-
- if (mask)
- {
- while(n--)
- {
- if (mask[0]) putpixel(bmp, x, y, color);
- x++; mask++;
- }
- }
- else
- {
- while(n--)
- {
- putpixel(bmp, x, y, color);
- x++;
- }
- }
- }
-
-
-static void read_rgba_span_generic(const GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- GLubyte rgba[][4])
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
- BITMAP *bmp = context->Buffer->Active;
-
- y = FLIP(context, y);
-
- while (n--)
- {
- int color = getpixel(bmp, x, y);
-
- rgba[0][RCOMP] = getr(color);
- rgba[0][GCOMP] = getg(color);
- rgba[0][BCOMP] = getb(color);
- rgba[0][ACOMP] = 255;
-
- x++; rgba++;
- }
- }
-
-
-static void write_rgba_pixels_generic(const GLcontext *ctx,
- GLuint n,
- const GLint x[],
- const GLint y[],
- const GLubyte rgba[][4],
- const GLubyte mask[])
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
- BITMAP *bmp = context->Buffer->Active;
-
- while (n--)
- {
- if (mask[0]) putpixel(bmp, x[0], FLIP(context, y[0]), makecol(rgba[0][RCOMP], rgba[0][GCOMP], rgba[0][BCOMP]));
- x++; y++; mask++;
- }
- }
-
-
-static void write_mono_rgba_pixels_generic(const GLcontext *ctx,
- GLuint n,
- const GLint x[],
- const GLint y[],
- const GLubyte mask[])
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
- BITMAP *bmp = context->Buffer->Active;
- int color = context->CurrentColor;
-
- while (n--)
- {
- if (mask[0]) putpixel(bmp, x[0], FLIP(context, y[0]), color);
- x++; y++; mask++;
- }
- }
-
-
-static void read_rgba_pixels_generic(const GLcontext *ctx,
- GLuint n,
- const GLint x[],
- const GLint y[],
- GLubyte rgba[][4],
- const GLubyte mask[])
- {
- AMesaContext context = (AMesaContext)(ctx->DriverCtx);
- BITMAP *bmp = context->Buffer->Active;
-
- while (n--)
- {
- if (mask[0])
- {
- int color = getpixel(bmp, x[0], FLIP(context, y[0]));
-
- rgba[0][RCOMP] = getr(color);
- rgba[0][GCOMP] = getg(color);
- rgba[0][BCOMP] = getb(color);
- rgba[0][ACOMP] = 255;
- }
-
- x++; y++; mask++; rgba++;
- }
- }
-
+/*
+ * 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.
+ */
+
+static void clear_color_generic(GLcontext *ctx, const GLfloat color[4])
+ {
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx);
+ GLubyte r, g, b;
+ CLAMPED_FLOAT_TO_UBYTE(r, color[0]);
+ CLAMPED_FLOAT_TO_UBYTE(g, color[1]);
+ CLAMPED_FLOAT_TO_UBYTE(b, color[2]);
+ context->ClearColor = makecol(r, g, b);
+ }
+
+
+static void set_color_generic(GLcontext *ctx,
+ GLubyte red, GLubyte green,
+ GLubyte blue, GLubyte alpha)
+ {
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx);
+
+ context->CurrentColor = makecol(red, green, blue);
+ }
+
+
+static GLbitfield clear_generic(GLcontext *ctx,
+ GLbitfield mask, GLboolean all,
+ GLint x, GLint y,
+ GLint width, GLint height)
+ {
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx);
+
+ if (mask & GL_COLOR_BUFFER_BIT)
+ {
+ if (all)
+ clear_to_color(context->Buffer->Active, context->ClearColor);
+ else
+ rect(context->Buffer->Active,
+ x, y, x+width-1, y+height-1,
+ context->ClearColor);
+ }
+
+ return mask & (~GL_COLOR_BUFFER_BIT);
+ }
+
+
+static void write_rgba_span_generic(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgba[][4],
+ const GLubyte mask[])
+ {
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx);
+ BITMAP *bmp = context->Buffer->Active;
+
+ y = FLIP(context, y);
+
+ if (mask)
+ {
+ while (n--)
+ {
+ if (mask[0]) putpixel(bmp, x, y, makecol(rgba[0][RCOMP], rgba[0][GCOMP], rgba[0][BCOMP]));
+ x++; mask++; rgba++;
+ }
+ }
+ else
+ {
+ while (n--)
+ {
+ putpixel(bmp, x, y, makecol(rgba[0][RCOMP], rgba[0][GCOMP], rgba[0][BCOMP]));
+ x++; rgba++;
+ }
+ }
+ }
+
+
+static void write_rgb_span_generic(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgb[][3],
+ const GLubyte mask[])
+ {
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx);
+ BITMAP *bmp = context->Buffer->Active;
+
+ y = FLIP(context, y);
+
+ if (mask)
+ {
+ while(n--)
+ {
+ if (mask[0]) putpixel(bmp, x, y, makecol(rgb[0][RCOMP], rgb[0][GCOMP], rgb[0][BCOMP]));
+ x++; mask++; rgb++;
+ }
+ }
+ else
+ {
+ while (n--)
+ {
+ putpixel(bmp, x, y, makecol(rgb[0][RCOMP], rgb[0][GCOMP], rgb[0][BCOMP]));
+ x++; rgb++;
+ }
+ }
+ }
+
+
+static void write_mono_rgba_span_generic(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte mask[])
+ {
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx);
+ BITMAP *bmp = context->Buffer->Active;
+ int color = context->CurrentColor;
+
+ y = FLIP(context, y);
+
+ if (mask)
+ {
+ while(n--)
+ {
+ if (mask[0]) putpixel(bmp, x, y, color);
+ x++; mask++;
+ }
+ }
+ else
+ {
+ while(n--)
+ {
+ putpixel(bmp, x, y, color);
+ x++;
+ }
+ }
+ }
+
+
+static void read_rgba_span_generic(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ GLubyte rgba[][4])
+ {
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx);
+ BITMAP *bmp = context->Buffer->Active;
+
+ y = FLIP(context, y);
+
+ while (n--)
+ {
+ int color = getpixel(bmp, x, y);
+
+ rgba[0][RCOMP] = getr(color);
+ rgba[0][GCOMP] = getg(color);
+ rgba[0][BCOMP] = getb(color);
+ rgba[0][ACOMP] = 255;
+
+ x++; rgba++;
+ }
+ }
+
+
+static void write_rgba_pixels_generic(const GLcontext *ctx,
+ GLuint n,
+ const GLint x[],
+ const GLint y[],
+ const GLubyte rgba[][4],
+ const GLubyte mask[])
+ {
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx);
+ BITMAP *bmp = context->Buffer->Active;
+
+ while (n--)
+ {
+ if (mask[0]) putpixel(bmp, x[0], FLIP(context, y[0]), makecol(rgba[0][RCOMP], rgba[0][GCOMP], rgba[0][BCOMP]));
+ x++; y++; mask++;
+ }
+ }
+
+
+static void write_mono_rgba_pixels_generic(const GLcontext *ctx,
+ GLuint n,
+ const GLint x[],
+ const GLint y[],
+ const GLubyte mask[])
+ {
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx);
+ BITMAP *bmp = context->Buffer->Active;
+ int color = context->CurrentColor;
+
+ while (n--)
+ {
+ if (mask[0]) putpixel(bmp, x[0], FLIP(context, y[0]), color);
+ x++; y++; mask++;
+ }
+ }
+
+
+static void read_rgba_pixels_generic(const GLcontext *ctx,
+ GLuint n,
+ const GLint x[],
+ const GLint y[],
+ GLubyte rgba[][4],
+ const GLubyte mask[])
+ {
+ AMesaContext context = (AMesaContext)(ctx->DriverCtx);
+ BITMAP *bmp = context->Buffer->Active;
+
+ while (n--)
+ {
+ if (mask[0])
+ {
+ int color = getpixel(bmp, x[0], FLIP(context, y[0]));
+
+ rgba[0][RCOMP] = getr(color);
+ rgba[0][GCOMP] = getg(color);
+ rgba[0][BCOMP] = getb(color);
+ rgba[0][ACOMP] = 255;
+ }
+
+ x++; y++; mask++; rgba++;
+ }
+ }
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 08:43:12 +0000