diff options
Diffstat (limited to 'src/mesa/drivers/allegro/generic.h')
-rw-r--r-- | src/mesa/drivers/allegro/generic.h | 468 |
1 files changed, 234 insertions, 234 deletions
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++; + } + } + |