diff options
author | Daniel Borca <[email protected]> | 2004-11-12 14:58:26 +0000 |
---|---|---|
committer | Daniel Borca <[email protected]> | 2004-11-12 14:58:26 +0000 |
commit | 0676fc357a12879531e6509354ecc7447c99d148 (patch) | |
tree | d4885d993c066614546beab3aad6168b92d97119 /src/mesa/drivers/dos/dmesa.c | |
parent | 885f10706a096037eea815803dbf4b4d28c3bd27 (diff) |
added a few sanity checks
made coding style a bit more consistent
Diffstat (limited to 'src/mesa/drivers/dos/dmesa.c')
-rw-r--r-- | src/mesa/drivers/dos/dmesa.c | 1722 |
1 files changed, 857 insertions, 865 deletions
diff --git a/src/mesa/drivers/dos/dmesa.c b/src/mesa/drivers/dos/dmesa.c index 2d3b2e64951..41e0f4d8b31 100644 --- a/src/mesa/drivers/dos/dmesa.c +++ b/src/mesa/drivers/dos/dmesa.c @@ -101,7 +101,6 @@ struct dmesa_context { }; - #ifndef FX /**************************************************************************** * Read/Write pixels @@ -114,335 +113,334 @@ struct dmesa_context { /**************************************************************************** * RGB[A] ***************************************************************************/ -static void write_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLubyte rgba[][4], const GLubyte mask[]) +static void +write_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLubyte rgba[][4], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++, offset++) { - if (mask[i]) { - vl_putpixel(offset, vl_mixrgba(rgba[i])); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++, offset++) { - vl_putpixel(offset, vl_mixrgba(rgba[i])); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + + offset = DSTRIDE * FLIP(y) + x; + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++, offset++) { + if (mask[i]) { + vl_putpixel(offset, vl_mixrgba(rgba[i])); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_putpixel(offset, vl_mixrgba(rgba[i])); + } + } } - -static void write_rgb_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLubyte rgb[][3], const GLubyte mask[]) +static void +write_rgb_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLubyte rgb[][3], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++, offset++) { - if (mask[i]) { - vl_putpixel(offset, vl_mixrgb(rgb[i])); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++, offset++) { - vl_putpixel(offset, vl_mixrgb(rgb[i])); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + + offset = DSTRIDE * FLIP(y) + x; + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++, offset++) { + if (mask[i]) { + vl_putpixel(offset, vl_mixrgb(rgb[i])); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_putpixel(offset, vl_mixrgb(rgb[i])); + } + } } - -static void write_mono_rgba_span (const GLcontext *ctx, - GLuint n, GLint x, GLint y, - const GLchan color[4], const GLubyte mask[]) +static void +write_mono_rgba_span (const GLcontext *ctx, + GLuint n, GLint x, GLint y, + const GLchan color[4], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset, rgba = vl_mixrgba(color); - - offset = DSTRIDE * FLIP(y) + x; - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++, offset++) { - if (mask[i]) { - vl_putpixel(offset, rgba); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++, offset++) { - vl_putpixel(offset, rgba); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset, rgba = vl_mixrgba(color); + + offset = DSTRIDE * FLIP(y) + x; + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++, offset++) { + if (mask[i]) { + vl_putpixel(offset, rgba); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_putpixel(offset, rgba); + } + } } - -static void read_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, - GLubyte rgba[][4]) +static void +read_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, + GLubyte rgba[][4]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - /* read all pixels */ - for (i=0; i<n; i++, offset++) { - vl_getrgba(offset, rgba[i]); - } -} + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + offset = DSTRIDE * FLIP(y) + x; + /* read all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_getrgba(offset, rgba[i]); + } +} -static void write_rgba_pixels (const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - const GLubyte rgba[][4], const GLubyte mask[]) +static void +write_rgba_pixels (const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + const GLubyte rgba[][4], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; - - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++) { - if (mask[i]) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], vl_mixrgba(rgba[i])); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], vl_mixrgba(rgba[i])); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; + + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++) { + if (mask[i]) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], vl_mixrgba(rgba[i])); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], vl_mixrgba(rgba[i])); + } + } } - -static void write_mono_rgba_pixels (const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], +static void +write_mono_rgba_pixels (const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], const GLchan color[4], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1, rgba = vl_mixrgba(color); - - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++) { - if (mask[i]) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], rgba); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], rgba); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1, rgba = vl_mixrgba(color); + + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++) { + if (mask[i]) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], rgba); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], rgba); + } + } } - -static void read_rgba_pixels (const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - GLubyte rgba[][4], const GLubyte mask[]) +static void +read_rgba_pixels (const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + GLubyte rgba[][4], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; - - if (mask) { - /* read some pixels */ - for (i=0; i<n; i++) { - if (mask[i]) { - vl_getrgba(FLIP2(y[i])*_w_ + x[i], rgba[i]); - } - } - } else { - /* read all pixels */ - for (i=0; i<n; i++) { - vl_getrgba(FLIP2(y[i])*_w_ + x[i], rgba[i]); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; + + if (mask) { + /* read some pixels */ + for (i = 0; i < n; i++) { + if (mask[i]) { + vl_getrgba(FLIP2(y[i])*_w_ + x[i], rgba[i]); + } + } + } else { + /* read all pixels */ + for (i = 0; i < n; i++) { + vl_getrgba(FLIP2(y[i])*_w_ + x[i], rgba[i]); + } + } } - /**************************************************************************** * Index ***************************************************************************/ -static void write_index_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLuint index[], const GLubyte mask[]) +static void +write_index_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLuint index[], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++, offset++) { - if (mask[i]) { - vl_putpixel(offset, index[i]); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++, offset++) { - vl_putpixel(offset, index[i]); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + + offset = DSTRIDE * FLIP(y) + x; + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++, offset++) { + if (mask[i]) { + vl_putpixel(offset, index[i]); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_putpixel(offset, index[i]); + } + } } - -static void write_index8_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLubyte index[], const GLubyte mask[]) +static void +write_index8_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLubyte index[], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++, offset++) { - if (mask[i]) { - vl_putpixel(offset, index[i]); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++, offset++) { - vl_putpixel(offset, index[i]); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + + offset = DSTRIDE * FLIP(y) + x; + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++, offset++) { + if (mask[i]) { + vl_putpixel(offset, index[i]); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_putpixel(offset, index[i]); + } + } } - -static void write_mono_index_span (const GLcontext *ctx, - GLuint n, GLint x, GLint y, - GLuint colorIndex, const GLubyte mask[]) +static void +write_mono_index_span (const GLcontext *ctx, + GLuint n, GLint x, GLint y, + GLuint colorIndex, const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++, offset++) { - if (mask[i]) { - vl_putpixel(offset, colorIndex); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++, offset++) { - vl_putpixel(offset, colorIndex); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + + offset = DSTRIDE * FLIP(y) + x; + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++, offset++) { + if (mask[i]) { + vl_putpixel(offset, colorIndex); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++, offset++) { + vl_putpixel(offset, colorIndex); + } + } } - -static void read_index_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, - GLuint index[]) +static void +read_index_span (const GLcontext *ctx, GLuint n, GLint x, GLint y, + GLuint index[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, offset; - - offset = DSTRIDE * FLIP(y) + x; - /* read all pixels */ - for (i=0; i<n; i++, offset++) { - index[i] = vl_getpixel(offset); - } -} + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, offset; + offset = DSTRIDE * FLIP(y) + x; + /* read all pixels */ + for (i = 0; i < n; i++, offset++) { + index[i] = vl_getpixel(offset); + } +} -static void write_index_pixels (const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - const GLuint index[], const GLubyte mask[]) +static void +write_index_pixels (const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + const GLuint index[], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; - - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++) { - if (mask[i]) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], index[i]); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], index[i]); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; + + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++) { + if (mask[i]) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], index[i]); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], index[i]); + } + } } - -static void write_mono_index_pixels (const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - GLuint colorIndex, const GLubyte mask[]) +static void +write_mono_index_pixels (const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + GLuint colorIndex, const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; - - if (mask) { - /* draw some pixels */ - for (i=0; i<n; i++) { - if (mask[i]) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], colorIndex); - } - } - } else { - /* draw all pixels */ - for (i=0; i<n; i++) { - vl_putpixel(FLIP2(y[i])*_w_ + x[i], colorIndex); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; + + if (mask) { + /* draw some pixels */ + for (i = 0; i < n; i++) { + if (mask[i]) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], colorIndex); + } + } + } else { + /* draw all pixels */ + for (i = 0; i < n; i++) { + vl_putpixel(FLIP2(y[i])*_w_ + x[i], colorIndex); + } + } } - -static void read_index_pixels (const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], +static void +read_index_pixels (const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], GLuint index[], const GLubyte mask[]) { - const DMesaContext dmesa = (DMesaContext)ctx; - GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; - - if (mask) { - /* read some pixels */ - for (i=0; i<n; i++) { - if (mask[i]) { - index[i] = vl_getpixel(FLIP2(y[i])*_w_ + x[i]); - } - } - } else { - /* read all pixels */ - for (i=0; i<n; i++) { - index[i] = vl_getpixel(FLIP2(y[i])*_w_ + x[i]); - } - } + const DMesaContext dmesa = (DMesaContext)ctx; + GLuint i, _w_ = DSTRIDE, _b_ = dmesa->buffer->height - 1; + + if (mask) { + /* read some pixels */ + for (i = 0; i < n; i++) { + if (mask[i]) { + index[i] = vl_getpixel(FLIP2(y[i])*_w_ + x[i]); + } + } + } else { + /* read all pixels */ + for (i = 0; i < n; i++) { + index[i] = vl_getpixel(FLIP2(y[i])*_w_ + x[i]); + } + } } - /**************************************************************************** * Z-buffer ***************************************************************************/ - /**************************************************************************** * Optimized triangle rendering ***************************************************************************/ @@ -453,21 +451,20 @@ static void read_index_pixels (const GLcontext *ctx, #define NAME tri_rgb_flat #define SETUP_CODE \ - const DMesaContext dmesa = (DMesaContext)ctx; \ - GLuint _b_ = dmesa->buffer->height - 1; \ - GLuint _w_ = dmesa->buffer->width; \ - GLuint rgb = vl_mixrgb(v2->color); + const DMesaContext dmesa = (DMesaContext)ctx;\ + GLuint _b_ = dmesa->buffer->height - 1; \ + GLuint _w_ = dmesa->buffer->width; \ + GLuint rgb = vl_mixrgb(v2->color); #define RENDER_SPAN(span) \ - GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \ - for (i = 0; i < span.end; i++, offset++) { \ - vl_putpixel(offset, rgb); \ - } + GLuint i, offset = FLIP2(span.y)*_w_ + span.x;\ + for (i = 0; i < span.end; i++, offset++) { \ + vl_putpixel(offset, rgb); \ + } #include "swrast/s_tritemp.h" - /* * Z-less flat triangle. */ @@ -477,26 +474,25 @@ static void read_index_pixels (const GLcontext *ctx, #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE #define SETUP_CODE \ - const DMesaContext dmesa = (DMesaContext)ctx; \ - GLuint _b_ = dmesa->buffer->height - 1; \ - GLuint _w_ = dmesa->buffer->width; \ - GLuint rgb = vl_mixrgb(v2->color); + const DMesaContext dmesa = (DMesaContext)ctx; \ + GLuint _b_ = dmesa->buffer->height - 1; \ + GLuint _w_ = dmesa->buffer->width; \ + GLuint rgb = vl_mixrgb(v2->color); #define RENDER_SPAN(span) \ - GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \ - for (i = 0; i < span.end; i++, offset++) { \ - const DEPTH_TYPE z = FixedToDepth(span.z); \ - if (z < zRow[i]) { \ - vl_putpixel(offset, rgb); \ - zRow[i] = z; \ - } \ - span.z += span.zStep; \ - } + GLuint i, offset = FLIP2(span.y)*_w_ + span.x;\ + for (i = 0; i < span.end; i++, offset++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z);\ + if (z < zRow[i]) { \ + vl_putpixel(offset, rgb); \ + zRow[i] = z; \ + } \ + span.z += span.zStep; \ + } #include "swrast/s_tritemp.h" - /* * NON-depth-buffered iterated triangle. */ @@ -505,23 +501,22 @@ static void read_index_pixels (const GLcontext *ctx, #define INTERP_RGB 1 #define SETUP_CODE \ - const DMesaContext dmesa = (DMesaContext)ctx; \ - GLuint _b_ = dmesa->buffer->height - 1; \ - GLuint _w_ = dmesa->buffer->width; + const DMesaContext dmesa = (DMesaContext)ctx;\ + GLuint _b_ = dmesa->buffer->height - 1; \ + GLuint _w_ = dmesa->buffer->width; #define RENDER_SPAN(span) \ - GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \ - for (i = 0; i < span.end; i++, offset++) { \ - vl_putpixel(offset, vl_mixfix(span.red, span.green, span.blue)); \ - span.red += span.redStep; \ - span.green += span.greenStep; \ - span.blue += span.blueStep; \ - } + GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \ + for (i = 0; i < span.end; i++, offset++) { \ + vl_putpixel(offset, vl_mixfix(span.red, span.green, span.blue)); \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + } #include "swrast/s_tritemp.h" - /* * Z-less iterated triangle. */ @@ -532,75 +527,75 @@ static void read_index_pixels (const GLcontext *ctx, #define INTERP_RGB 1 #define SETUP_CODE \ - const DMesaContext dmesa = (DMesaContext)ctx; \ - GLuint _b_ = dmesa->buffer->height - 1; \ - GLuint _w_ = dmesa->buffer->width; + const DMesaContext dmesa = (DMesaContext)ctx;\ + GLuint _b_ = dmesa->buffer->height - 1; \ + GLuint _w_ = dmesa->buffer->width; #define RENDER_SPAN(span) \ - GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \ - for (i = 0; i < span.end; i++, offset++) { \ - const DEPTH_TYPE z = FixedToDepth(span.z); \ - if (z < zRow[i]) { \ - vl_putpixel(offset, vl_mixfix(span.red, span.green, span.blue));\ - zRow[i] = z; \ - } \ - span.red += span.redStep; \ - span.green += span.greenStep; \ - span.blue += span.blueStep; \ - span.z += span.zStep; \ - } + GLuint i, offset = FLIP2(span.y)*_w_ + span.x; \ + for (i = 0; i < span.end; i++, offset++) { \ + const DEPTH_TYPE z = FixedToDepth(span.z); \ + if (z < zRow[i]) { \ + vl_putpixel(offset, vl_mixfix(span.red, span.green, span.blue));\ + zRow[i] = z; \ + } \ + span.red += span.redStep; \ + span.green += span.greenStep; \ + span.blue += span.blueStep; \ + span.z += span.zStep; \ + } #include "swrast/s_tritemp.h" - /* * Analyze context state to see if we can provide a fast triangle function * Otherwise, return NULL. */ -static swrast_tri_func dmesa_choose_tri_function (GLcontext *ctx) +static swrast_tri_func +dmesa_choose_tri_function (GLcontext *ctx) { - const SWcontext *swrast = SWRAST_CONTEXT(ctx); - - if ((ctx->RenderMode != GL_RENDER) - || (ctx->Polygon.SmoothFlag) - || (ctx->Polygon.StippleFlag) - || (ctx->Texture._EnabledUnits) - || (swrast->_RasterMask & MULTI_DRAW_BIT) - || (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)) { - return (swrast_tri_func)NULL; - } - - if (swrast->_RasterMask==DEPTH_BIT - && ctx->Depth.Func==GL_LESS - && ctx->Depth.Mask==GL_TRUE - && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) { - return (ctx->Light.ShadeModel==GL_SMOOTH) ? tri_rgb_iter_zless : tri_rgb_flat_zless; - } - - if (swrast->_RasterMask==0) { /* no depth test */ - return (ctx->Light.ShadeModel==GL_SMOOTH) ? tri_rgb_iter : tri_rgb_flat; - } - - return (swrast_tri_func)NULL; -} + const SWcontext *swrast = SWRAST_CONTEXT(ctx); + + if ((ctx->RenderMode != GL_RENDER) + || (ctx->Polygon.SmoothFlag) + || (ctx->Polygon.StippleFlag) + || (ctx->Texture._EnabledUnits) + || (swrast->_RasterMask & MULTI_DRAW_BIT) + || (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)) { + return (swrast_tri_func)NULL; + } + + if (swrast->_RasterMask==DEPTH_BIT + && ctx->Depth.Func==GL_LESS + && ctx->Depth.Mask==GL_TRUE + && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) { + return (ctx->Light.ShadeModel==GL_SMOOTH) ? tri_rgb_iter_zless : tri_rgb_flat_zless; + } + + if (swrast->_RasterMask==0) { /* no depth test */ + return (ctx->Light.ShadeModel==GL_SMOOTH) ? tri_rgb_iter : tri_rgb_flat; + } + return (swrast_tri_func)NULL; +} /* Override for the swrast triangle-selection function. Try to use one * of our internal triangle functions, otherwise fall back to the * standard swrast functions. */ -static void dmesa_choose_tri (GLcontext *ctx) +static void +dmesa_choose_tri (GLcontext *ctx) { - SWcontext *swrast = SWRAST_CONTEXT(ctx); + SWcontext *swrast = SWRAST_CONTEXT(ctx); - if (!(swrast->Triangle=dmesa_choose_tri_function(ctx))) - _swrast_choose_triangle(ctx); + if (!(swrast->Triangle=dmesa_choose_tri_function(ctx))) { + _swrast_choose_triangle(ctx); + } } - /**************************************************************************** * Optimized line rendering ***************************************************************************/ @@ -614,17 +609,16 @@ static void dmesa_choose_tri (GLcontext *ctx) #define CLIP_HACK 1 #define SETUP_CODE \ - const DMesaContext dmesa = (DMesaContext)ctx; \ - GLuint _b_ = dmesa->buffer->height - 1; \ - GLuint _w_ = dmesa->buffer->width; \ - GLuint rgb = vl_mixrgb(vert1->color); + const DMesaContext dmesa = (DMesaContext)ctx;\ + GLuint _b_ = dmesa->buffer->height - 1; \ + GLuint _w_ = dmesa->buffer->width; \ + GLuint rgb = vl_mixrgb(vert1->color); #define PLOT(X,Y) vl_putpixel(FLIP2(Y) * _w_ + X, rgb); #include "swrast/s_linetemp.h" - /* * Z-less flat line. */ @@ -636,88 +630,86 @@ static void dmesa_choose_tri (GLcontext *ctx) #define CLIP_HACK 1 #define SETUP_CODE \ - const DMesaContext dmesa = (DMesaContext)ctx; \ - GLuint _b_ = dmesa->buffer->height - 1; \ - GLuint _w_ = dmesa->buffer->width; \ - GLuint rgb = vl_mixrgb(vert1->color); + const DMesaContext dmesa = (DMesaContext)ctx;\ + GLuint _b_ = dmesa->buffer->height - 1; \ + GLuint _w_ = dmesa->buffer->width; \ + GLuint rgb = vl_mixrgb(vert1->color); #define PLOT(X,Y) \ - if (Z < *zPtr) { \ - *zPtr = Z; \ - vl_putpixel(FLIP2(Y) * _w_ + X, rgb); \ - } + if (Z < *zPtr) { \ + *zPtr = Z; \ + vl_putpixel(FLIP2(Y) * _w_ + X, rgb); \ + } #include "swrast/s_linetemp.h" - /* * NON-depth-buffered iterated line. */ #define line_rgb_iter NULL - /* * Z-less iterated line. */ #define line_rgb_iter_zless NULL - /* * Analyze context state to see if we can provide a fast line function * Otherwise, return NULL. */ -static swrast_line_func dmesa_choose_line_function (GLcontext *ctx) +static swrast_line_func +dmesa_choose_line_function (GLcontext *ctx) { - const SWcontext *swrast = SWRAST_CONTEXT(ctx); - - if ((ctx->RenderMode != GL_RENDER) - || (ctx->Line.SmoothFlag) - || (ctx->Texture._EnabledUnits) - || (ctx->Line.StippleFlag) - || (swrast->_RasterMask & MULTI_DRAW_BIT) - || (ctx->Line.Width!=1.0F)) { - return (swrast_line_func)NULL; - } - - if (swrast->_RasterMask==DEPTH_BIT - && ctx->Depth.Func==GL_LESS - && ctx->Depth.Mask==GL_TRUE - && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) { - return (ctx->Light.ShadeModel==GL_SMOOTH) ? line_rgb_iter_zless : line_rgb_flat_zless; - } - - if (swrast->_RasterMask==0) { /* no depth test */ - return (ctx->Light.ShadeModel==GL_SMOOTH) ? line_rgb_iter : line_rgb_flat; - } - - return (swrast_line_func)NULL; -} + const SWcontext *swrast = SWRAST_CONTEXT(ctx); + + if ((ctx->RenderMode != GL_RENDER) + || (ctx->Line.SmoothFlag) + || (ctx->Texture._EnabledUnits) + || (ctx->Line.StippleFlag) + || (swrast->_RasterMask & MULTI_DRAW_BIT) + || (ctx->Line.Width!=1.0F)) { + return (swrast_line_func)NULL; + } + + if (swrast->_RasterMask==DEPTH_BIT + && ctx->Depth.Func==GL_LESS + && ctx->Depth.Mask==GL_TRUE + && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) { + return (ctx->Light.ShadeModel==GL_SMOOTH) ? line_rgb_iter_zless : line_rgb_flat_zless; + } + if (swrast->_RasterMask==0) { /* no depth test */ + return (ctx->Light.ShadeModel==GL_SMOOTH) ? line_rgb_iter : line_rgb_flat; + } + + return (swrast_line_func)NULL; +} /* Override for the swrast line-selection function. Try to use one * of our internal line functions, otherwise fall back to the * standard swrast functions. */ -static void dmesa_choose_line (GLcontext *ctx) +static void +dmesa_choose_line (GLcontext *ctx) { - SWcontext *swrast = SWRAST_CONTEXT(ctx); + SWcontext *swrast = SWRAST_CONTEXT(ctx); - if (!(swrast->Line=dmesa_choose_line_function(ctx))) - _swrast_choose_line(ctx); + if (!(swrast->Line=dmesa_choose_line_function(ctx))) { + _swrast_choose_line(ctx); + } } - /**************************************************************************** * Miscellaneous device driver funcs ***************************************************************************/ static const struct gl_texture_format * -choose_tex_format( GLcontext *ctx, GLint internalFormat, - GLenum format, GLenum type ) +choose_tex_format (GLcontext *ctx, GLint internalFormat, + GLenum format, GLenum type) { switch (internalFormat) { case GL_COMPRESSED_RGB_ARB: @@ -730,134 +722,135 @@ choose_tex_format( GLcontext *ctx, GLint internalFormat, } - -static void clear_index (GLcontext *ctx, GLuint index) +static void +clear_index (GLcontext *ctx, GLuint index) { - ((DMesaContext)ctx)->ClearIndex = index; + ((DMesaContext)ctx)->ClearIndex = index; } -static void clear_color (GLcontext *ctx, const GLfloat color[4]) + +static void +clear_color (GLcontext *ctx, const GLfloat color[4]) { - GLubyte col[4]; - CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]); - CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]); - CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]); - CLAMPED_FLOAT_TO_UBYTE(col[3], color[3]); - ((DMesaContext)ctx)->ClearColor = vl_mixrgba(col); + GLubyte col[4]; + CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]); + CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]); + CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]); + CLAMPED_FLOAT_TO_UBYTE(col[3], color[3]); + ((DMesaContext)ctx)->ClearColor = vl_mixrgba(col); } - -static void clear (GLcontext *ctx, GLbitfield mask, GLboolean all, - GLint x, GLint y, GLint width, GLint height) +static void +clear (GLcontext *ctx, GLbitfield mask, GLboolean all, + GLint x, GLint y, GLint width, GLint height) { - const DMesaContext c = (DMesaContext)ctx; - const GLuint *colorMask = (GLuint *)&ctx->Color.ColorMask; - -/* - * Clear the specified region of the buffers indicated by 'mask' - * using the clear color or index as specified by one of the two - * functions above. - * If all==GL_TRUE, clear whole buffer, else just clear region defined - * by x,y,width,height - */ - - /* we can't handle color or index masking */ - if ((*colorMask == 0xffffffff) && (ctx->Color.IndexMask == 0xffffffff)) { - if (mask & DD_BACK_LEFT_BIT) { - int color = ((GLvisual *)(c->visual))->rgbMode ? c->ClearColor : c->ClearIndex; - - if (all) { - vl_clear(color); - } else { - vl_rect(x, c->buffer->height - y - height, width, height, color); - } - - mask &= ~DD_BACK_LEFT_BIT; - } - } + const DMesaContext c = (DMesaContext)ctx; + const GLuint *colorMask = (GLuint *)&ctx->Color.ColorMask; + + /* + * Clear the specified region of the buffers indicated by 'mask' + * using the clear color or index as specified by one of the two + * functions above. + * If all==GL_TRUE, clear whole buffer, else just clear region defined + * by x,y,width,height + */ + + /* we can't handle color or index masking */ + if ((*colorMask == 0xffffffff) && (ctx->Color.IndexMask == 0xffffffff)) { + if (mask & DD_BACK_LEFT_BIT) { + int color = ((GLvisual *)(c->visual))->rgbMode ? c->ClearColor : c->ClearIndex; + + if (all) { + vl_clear(color); + } else { + vl_rect(x, c->buffer->height - y - height, width, height, color); + } + + mask &= ~DD_BACK_LEFT_BIT; + } + } - if (mask) { - _swrast_Clear(ctx, mask, all, x, y, width, height); - } + if (mask) { + _swrast_Clear(ctx, mask, all, x, y, width, height); + } } - /* * This function is called to specify which buffer to read and write * for software rasterization (swrast) fallbacks. This doesn't necessarily * correspond to glDrawBuffer() or glReadBuffer() calls. */ -static void set_buffer (GLcontext *ctx, GLframebuffer *colorBuffer, GLuint bufferBit) +static void +set_buffer (GLcontext *ctx, GLframebuffer *colorBuffer, GLuint bufferBit) { - /* - * XXX todo - examine bufferBit and set read/write pointers - */ - /* Normally, we would have - * ctx->Driver.ReadBuffer == set_read_buffer - * ctx->Driver.DrawBuffer == set_draw_buffer - * and make sure set_draw_buffer calls _swrast_DrawBuffer, - * which in turn will call this routine via dd->SetBuffer. - */ + /* + * XXX todo - examine bufferBit and set read/write pointers + */ + /* Normally, we would have + * ctx->Driver.ReadBuffer == set_read_buffer + * ctx->Driver.DrawBuffer == set_draw_buffer + * and make sure set_draw_buffer calls _swrast_DrawBuffer, + * which in turn will call this routine via dd->SetBuffer. + */ } - /* * Return the width and height of the current buffer. * If anything special has to been done when the buffer/window is * resized, do it now. */ -static void get_buffer_size (GLframebuffer *buffer, GLuint *width, GLuint *height) +static void +get_buffer_size (GLframebuffer *buffer, GLuint *width, GLuint *height) { - DMesaBuffer b = (DMesaBuffer)buffer; + DMesaBuffer b = (DMesaBuffer)buffer; - *width = b->width; - *height = b->height; + *width = b->width; + *height = b->height; } - -static const GLubyte* get_string (GLcontext *ctx, GLenum name) +static const GLubyte * +get_string (GLcontext *ctx, GLenum name) { - switch (name) { - case GL_RENDERER: - return (const GLubyte *)"Mesa DJGPP"; - default: - return NULL; - } + switch (name) { + case GL_RENDERER: + return (const GLubyte *)"Mesa DJGPP"; + default: + return NULL; + } } - -static void finish (GLcontext *ctx) +static void +finish (GLcontext *ctx) { - /* - * XXX todo - OPTIONAL FUNCTION: implements glFinish if possible - */ + /* + * XXX todo - OPTIONAL FUNCTION: implements glFinish if possible + */ } - -static void flush (GLcontext *ctx) +static void +flush (GLcontext *ctx) { - /* - * XXX todo - OPTIONAL FUNCTION: implements glFlush if possible - */ + /* + * XXX todo - OPTIONAL FUNCTION: implements glFlush if possible + */ } - /**************************************************************************** * State ***************************************************************************/ -#define DMESA_NEW_LINE (_NEW_LINE | \ - _NEW_TEXTURE | \ - _NEW_LIGHT | \ - _NEW_DEPTH | \ - _NEW_RENDERMODE | \ - _SWRAST_NEW_RASTERMASK) +#define DMESA_NEW_LINE (_NEW_LINE | \ + _NEW_TEXTURE | \ + _NEW_LIGHT | \ + _NEW_DEPTH | \ + _NEW_RENDERMODE | \ + _SWRAST_NEW_RASTERMASK) #define DMESA_NEW_TRIANGLE (_NEW_POLYGON | \ _NEW_TEXTURE | \ @@ -869,88 +862,88 @@ static void flush (GLcontext *ctx) /* Extend the software rasterizer with our line and triangle * functions. */ -static void dmesa_register_swrast_functions (GLcontext *ctx) +static void +dmesa_register_swrast_functions (GLcontext *ctx) { - SWcontext *swrast = SWRAST_CONTEXT(ctx); + SWcontext *swrast = SWRAST_CONTEXT(ctx); - swrast->choose_line = dmesa_choose_line; - swrast->choose_triangle = dmesa_choose_tri; + swrast->choose_line = dmesa_choose_line; + swrast->choose_triangle = dmesa_choose_tri; - swrast->invalidate_line |= DMESA_NEW_LINE; - swrast->invalidate_triangle |= DMESA_NEW_TRIANGLE; + swrast->invalidate_line |= DMESA_NEW_LINE; + swrast->invalidate_triangle |= DMESA_NEW_TRIANGLE; } - -static void dmesa_update_state (GLcontext *ctx, GLuint new_state) +static void +dmesa_update_state (GLcontext *ctx, GLuint new_state) { - /* Propagate statechange information to swrast and swrast_setup - * modules. The DMesa driver has no internal GL-dependent state. - */ - _swrast_InvalidateState( ctx, new_state ); - _ac_InvalidateState( ctx, new_state ); - _tnl_InvalidateState( ctx, new_state ); - _swsetup_InvalidateState( ctx, new_state ); + /* Propagate statechange information to swrast and swrast_setup + * modules. The DMesa driver has no internal GL-dependent state. + */ + _swrast_InvalidateState( ctx, new_state ); + _ac_InvalidateState( ctx, new_state ); + _tnl_InvalidateState( ctx, new_state ); + _swsetup_InvalidateState( ctx, new_state ); } - /* Initialize the device driver function table with the functions * we implement in this driver. */ -static void dmesa_init_driver_functions (DMesaVisual visual, - struct dd_function_table *driver) +static void +dmesa_init_driver_functions (DMesaVisual visual, + struct dd_function_table *driver) { - driver->UpdateState = dmesa_update_state; - driver->GetString = get_string; - driver->GetBufferSize = get_buffer_size; - driver->Flush = flush; - driver->Finish = finish; - driver->Clear = clear; - driver->ClearColor = clear_color; - driver->ClearIndex = clear_index; + driver->UpdateState = dmesa_update_state; + driver->GetString = get_string; + driver->GetBufferSize = get_buffer_size; + driver->Flush = flush; + driver->Finish = finish; + driver->Clear = clear; + driver->ClearColor = clear_color; + driver->ClearIndex = clear_index; #if SWTC - driver->ChooseTextureFormat = choose_tex_format; + driver->ChooseTextureFormat = choose_tex_format; #endif } - /* Setup pointers and other driver state that is constant for the life * of a context. */ -static void dmesa_init_pointers (GLcontext *ctx) +static void +dmesa_init_pointers (GLcontext *ctx) { - struct swrast_device_driver *dd = _swrast_GetDeviceDriverReference(ctx); - - dd->SetBuffer = set_buffer; - - /* The span functions should be in `dmesa_update_state', but I'm - * pretty sure they will never change during the life of the Visual - */ - - /* Index span/pixel functions */ - dd->WriteCI32Span = write_index_span; - dd->WriteCI8Span = write_index8_span; - dd->WriteMonoCISpan = write_mono_index_span; - dd->WriteCI32Pixels = write_index_pixels; - dd->WriteMonoCIPixels = write_mono_index_pixels; - dd->ReadCI32Span = read_index_span; - dd->ReadCI32Pixels = read_index_pixels; - - /* RGB(A) span/pixel functions */ - dd->WriteRGBASpan = write_rgba_span; - dd->WriteRGBSpan = write_rgb_span; - dd->WriteMonoRGBASpan = write_mono_rgba_span; - dd->WriteRGBAPixels = write_rgba_pixels; - dd->WriteMonoRGBAPixels = write_mono_rgba_pixels; - dd->ReadRGBASpan = read_rgba_span; - dd->ReadRGBAPixels = read_rgba_pixels; + struct swrast_device_driver *dd = _swrast_GetDeviceDriverReference(ctx); + + dd->SetBuffer = set_buffer; + + /* The span functions should be in `dmesa_update_state', but I'm + * pretty sure they will never change during the life of the Visual + */ + + /* Index span/pixel functions */ + dd->WriteCI32Span = write_index_span; + dd->WriteCI8Span = write_index8_span; + dd->WriteMonoCISpan = write_mono_index_span; + dd->WriteCI32Pixels = write_index_pixels; + dd->WriteMonoCIPixels = write_mono_index_pixels; + dd->ReadCI32Span = read_index_span; + dd->ReadCI32Pixels = read_index_pixels; + + /* RGB(A) span/pixel functions */ + dd->WriteRGBASpan = write_rgba_span; + dd->WriteRGBSpan = write_rgb_span; + dd->WriteMonoRGBASpan = write_mono_rgba_span; + dd->WriteRGBAPixels = write_rgba_pixels; + dd->WriteMonoRGBAPixels = write_mono_rgba_pixels; + dd->ReadRGBASpan = read_rgba_span; + dd->ReadRGBAPixels = read_rgba_pixels; } #endif /* FX */ - /**************************************************************************** * DMesa Public API Functions ***************************************************************************/ @@ -958,457 +951,456 @@ static void dmesa_init_pointers (GLcontext *ctx) /* * The exact arguments to this function will depend on your window system */ -DMesaVisual DMesaCreateVisual (GLint width, - GLint height, - GLint colDepth, - GLint refresh, - GLboolean dbFlag, - GLboolean rgbFlag, - GLint alphaSize, - GLint depthSize, - GLint stencilSize, - GLint accumSize) +DMesaVisual +DMesaCreateVisual (GLint width, + GLint height, + GLint colDepth, + GLint refresh, + GLboolean dbFlag, + GLboolean rgbFlag, + GLint alphaSize, + GLint depthSize, + GLint stencilSize, + GLint accumSize) { - DMesaVisual v; - GLint redBits, greenBits, blueBits, alphaBits, indexBits; - GLboolean sw_alpha; - - alphaBits = 0; - - if (!rgbFlag) { - indexBits = 8; - redBits = 0; - greenBits = 0; - blueBits = 0; - } else { - indexBits = 0; - switch (colDepth) { - case 8: - redBits = 8; - greenBits = 8; - blueBits = 8; - break; - case 15: - alphaBits = 1; - redBits = 5; - greenBits = 5; - blueBits = 5; - break; - case 16: - redBits = 5; - greenBits = 6; - blueBits = 5; - break; - case 32: - alphaBits = 8; - case 24: - redBits = 8; - greenBits = 8; - blueBits = 8; - break; - default: - return NULL; - } - } - - /* Okay, - * `alphaBits' is what we can provide - * `alphaSize' is what app requests - * - * Note that alpha buffering is required only if destination alpha is used - * in alpha blending; alpha blending modes that do not use destination alpha - * can be used w/o alpha buffer. - * - * We will use whatever ALPHA app requests. Later, in `CreateBuffer' we'll - * instruct Mesa to use its own ALPHA buffer, by passing a non-FALSE value - * for ALPHA to `_mesa_initialize_framebuffer'. - * - * Basically, 32bit modes provide ALPHA storage, but can we rely on this? - */ - alphaBits = alphaSize; - sw_alpha = (alphaBits > 0); + DMesaVisual v; + GLint redBits, greenBits, blueBits, alphaBits, indexBits; + GLboolean sw_alpha; + + alphaBits = 0; + + if (!rgbFlag) { + indexBits = 8; + redBits = 0; + greenBits = 0; + blueBits = 0; + } else { + indexBits = 0; + switch (colDepth) { + case 8: + redBits = 8; + greenBits = 8; + blueBits = 8; + break; + case 15: + alphaBits = 1; + redBits = 5; + greenBits = 5; + blueBits = 5; + break; + case 16: + redBits = 5; + greenBits = 6; + blueBits = 5; + break; + case 32: + alphaBits = 8; + case 24: + redBits = 8; + greenBits = 8; + blueBits = 8; + break; + default: + return NULL; + } + } + + /* Okay, + * `alphaBits' is what we can provide + * `alphaSize' is what app requests + * + * Note that alpha buffering is required only if destination alpha is used + * in alpha blending; alpha blending modes that do not use destination alpha + * can be used w/o alpha buffer. + * + * We will use whatever ALPHA app requests. Later, in `CreateBuffer' we'll + * instruct Mesa to use its own ALPHA buffer, by passing a non-FALSE value + * for ALPHA to `_mesa_initialize_framebuffer'. + * + * Basically, 32bit modes provide ALPHA storage, but can we rely on this? + */ + alphaBits = alphaSize; + sw_alpha = (alphaBits > 0); #ifndef FX - if (!dbFlag) { - return NULL; - } - if ((colDepth=vl_video_init(width, height, colDepth, rgbFlag, refresh)) <= 0) { - return NULL; - } + if (!dbFlag) { + return NULL; + } + if ((colDepth=vl_video_init(width, height, colDepth, rgbFlag, refresh)) <= 0) { + return NULL; + } #else /* FX */ - if (!rgbFlag) { - return NULL; - } else { - char *env; - - if ((env = getenv("MESA_FX_INFO")) && (env[0] == 'r')) { - freopen("MESA.LOG", "w", stderr); - } - - if (refresh && (((env = getenv("FX_GLIDE_REFRESH")) == NULL) || !atoi(env))) { - /* if we are passed non-zero value for refresh, we need to override - * default refresh rate. However, if FX_GLIDE_REFRESH is already set - * to 0, we won't override it, because it has a special meaning for - * DJGPP Glide3x (switch via VESA, using BIOS default refresh). - */ - char tmp[32]; - sprintf(tmp, "FX_GLIDE_REFRESH=%u", refresh); - putenv(tmp); - } - } + if (!rgbFlag) { + return NULL; + } else { + char *env; + + if ((env = getenv("MESA_FX_INFO")) && (env[0] == 'r')) { + freopen("MESA.LOG", "w", stderr); + } + + if (refresh && (((env = getenv("FX_GLIDE_REFRESH")) == NULL) || !atoi(env))) { + /* if we are passed non-zero value for refresh, we need to override + * default refresh rate. However, if FX_GLIDE_REFRESH is already set + * to 0, we won't override it, because it has a special meaning for + * DJGPP Glide3x (switch via VESA, using BIOS default refresh). + */ + char tmp[32]; + sprintf(tmp, "FX_GLIDE_REFRESH=%u", refresh); + putenv(tmp); + } + } #endif /* FX */ - if ((v=(DMesaVisual)CALLOC_STRUCT(dmesa_visual)) != NULL) { - /* Create core visual */ - _mesa_initialize_visual((GLvisual *)v, - rgbFlag, /* rgb */ - dbFlag, - GL_FALSE, /* stereo */ - redBits, - greenBits, - blueBits, - alphaBits, - indexBits, /* indexBits */ - depthSize, - stencilSize, - accumSize, /* accumRed */ - accumSize, /* accumGreen */ - accumSize, /* accumBlue */ - alphaBits?accumSize:0, /* accumAlpha */ - 1); /* numSamples */ + if ((v=(DMesaVisual)CALLOC_STRUCT(dmesa_visual)) != NULL) { + /* Create core visual */ + _mesa_initialize_visual((GLvisual *)v, + rgbFlag, /* rgb */ + dbFlag, + GL_FALSE, /* stereo */ + redBits, + greenBits, + blueBits, + alphaBits, + indexBits, /* indexBits */ + depthSize, + stencilSize, + accumSize, /* accumRed */ + accumSize, /* accumGreen */ + accumSize, /* accumBlue */ + alphaBits?accumSize:0, /* accumAlpha */ + 1); /* numSamples */ #ifndef FX - v->sw_alpha = sw_alpha; - v->z_buffer = (depthSize > 0) ? 1 : 0; + v->sw_alpha = sw_alpha; + v->z_buffer = (depthSize > 0) ? 1 : 0; #endif - } + } - return v; + return v; } - -void DMesaDestroyVisual (DMesaVisual v) +void +DMesaDestroyVisual (DMesaVisual v) { #ifndef FX - vl_video_exit(); + vl_video_exit(); #endif - _mesa_destroy_visual((GLvisual *)v); + _mesa_destroy_visual((GLvisual *)v); } - -DMesaBuffer DMesaCreateBuffer (DMesaVisual visual, - GLint xpos, GLint ypos, - GLint width, GLint height) +DMesaBuffer +DMesaCreateBuffer (DMesaVisual visual, + GLint xpos, GLint ypos, + GLint width, GLint height) { #ifndef FX - DMesaBuffer b; - - if ((b=(DMesaBuffer)CALLOC_STRUCT(dmesa_buffer)) != NULL) { - _mesa_initialize_framebuffer((GLframebuffer *)b, - (GLvisual *)visual, - visual->z_buffer == 1, - ((GLvisual *)visual)->stencilBits > 0, - ((GLvisual *)visual)->accumRedBits > 0, - visual->sw_alpha); - b->xpos = xpos; - b->ypos = ypos; - b->width = width; - b->height = height; - } - - return b; + DMesaBuffer b; + + if ((b=(DMesaBuffer)CALLOC_STRUCT(dmesa_buffer)) != NULL) { + _mesa_initialize_framebuffer((GLframebuffer *)b, + (GLvisual *)visual, + visual->z_buffer == 1, + ((GLvisual *)visual)->stencilBits > 0, + ((GLvisual *)visual)->accumRedBits > 0, + visual->sw_alpha); + b->xpos = xpos; + b->ypos = ypos; + b->width = width; + b->height = height; + } + + return b; #else /* FX */ - GLvisual *v = (GLvisual *)visual; - int i = 0, fx_attrib[32]; + GLvisual *v = (GLvisual *)visual; + int i = 0, fx_attrib[32]; - if (v->doubleBufferMode) fx_attrib[i++] = FXMESA_DOUBLEBUFFER; - if (v->depthBits > 0) { fx_attrib[i++] = FXMESA_DEPTH_SIZE; fx_attrib[i++] = v->depthBits; } - if (v->stencilBits > 0) { fx_attrib[i++] = FXMESA_STENCIL_SIZE; fx_attrib[i++] = v->stencilBits; } - if (v->accumRedBits > 0) { fx_attrib[i++] = FXMESA_ACCUM_SIZE; fx_attrib[i++] = v->accumRedBits; } - if (v->alphaBits) { fx_attrib[i++] = FXMESA_ALPHA_SIZE; fx_attrib[i++] = v->alphaBits; } - fx_attrib[i++] = FXMESA_COLORDEPTH; - fx_attrib[i++] = v->redBits + v->greenBits + v->blueBits; - fx_attrib[i] = FXMESA_NONE; + if (v->doubleBufferMode) fx_attrib[i++] = FXMESA_DOUBLEBUFFER; + if (v->depthBits > 0) { fx_attrib[i++] = FXMESA_DEPTH_SIZE; fx_attrib[i++] = v->depthBits; } + if (v->stencilBits > 0) { fx_attrib[i++] = FXMESA_STENCIL_SIZE; fx_attrib[i++] = v->stencilBits; } + if (v->accumRedBits > 0) { fx_attrib[i++] = FXMESA_ACCUM_SIZE; fx_attrib[i++] = v->accumRedBits; } + if (v->alphaBits) { fx_attrib[i++] = FXMESA_ALPHA_SIZE; fx_attrib[i++] = v->alphaBits; } + fx_attrib[i++] = FXMESA_COLORDEPTH; + fx_attrib[i++] = v->redBits + v->greenBits + v->blueBits; + fx_attrib[i] = FXMESA_NONE; - return (DMesaBuffer)fxMesaCreateBestContext(-1, width, height, fx_attrib); + return (DMesaBuffer)fxMesaCreateBestContext(-1, width, height, fx_attrib); #endif /* FX */ } - -void DMesaDestroyBuffer (DMesaBuffer b) +void +DMesaDestroyBuffer (DMesaBuffer b) { #ifndef FX - if (b->the_window != NULL) { - free(b->the_window); - } - _mesa_destroy_framebuffer((GLframebuffer *)b); + if (b->the_window != NULL) { + free(b->the_window); + } + _mesa_destroy_framebuffer((GLframebuffer *)b); #else - fxMesaDestroyContext((fxMesaContext)b); + fxMesaDestroyContext((fxMesaContext)b); #endif } - -DMesaContext DMesaCreateContext (DMesaVisual visual, - DMesaContext share) +DMesaContext +DMesaCreateContext (DMesaVisual visual, DMesaContext share) { - GLcontext *c; + GLcontext *c; #ifndef FX - TNLcontext *tnl; - struct dd_function_table functions; - - if ((c=(GLcontext *)CALLOC_STRUCT(dmesa_context)) != NULL) { - /* Initialize device driver function table */ - _mesa_init_driver_functions(&functions); - /* override with our functions */ - dmesa_init_driver_functions(visual, &functions); - - _mesa_initialize_context(c, - (GLvisual *)visual, - (GLcontext *)share, - &functions, - (void *)c); + TNLcontext *tnl; + struct dd_function_table functions; + + if ((c=(GLcontext *)CALLOC_STRUCT(dmesa_context)) != NULL) { + /* Initialize device driver function table */ + _mesa_init_driver_functions(&functions); + /* override with our functions */ + dmesa_init_driver_functions(visual, &functions); + + _mesa_initialize_context(c, + (GLvisual *)visual, + (GLcontext *)share, + &functions, + (void *)c); - _mesa_enable_sw_extensions(c); - _mesa_enable_1_3_extensions(c); - _mesa_enable_1_4_extensions(c); - _mesa_enable_1_5_extensions(c); - _mesa_enable_2_0_extensions(c); + _mesa_enable_sw_extensions(c); + _mesa_enable_1_3_extensions(c); + _mesa_enable_1_4_extensions(c); + _mesa_enable_1_5_extensions(c); + _mesa_enable_2_0_extensions(c); #if SWTC - if (c->Mesa_DXTn) { - _mesa_enable_extension(c, "GL_EXT_texture_compression_s3tc"); - _mesa_enable_extension(c, "GL_S3_s3tc"); - } - _mesa_enable_extension(c, "GL_3DFX_texture_compression_FXT1"); + if (c->Mesa_DXTn) { + _mesa_enable_extension(c, "GL_EXT_texture_compression_s3tc"); + _mesa_enable_extension(c, "GL_S3_s3tc"); + } + _mesa_enable_extension(c, "GL_3DFX_texture_compression_FXT1"); #endif - /* you probably have to do a bunch of other initializations here. */ - ((DMesaContext)c)->visual = visual; - - /* Initialize the software rasterizer and helper modules. - */ - _swrast_CreateContext(c); - _ac_CreateContext(c); - _tnl_CreateContext(c); - _swsetup_CreateContext(c); - /* tnl setup */ - tnl = TNL_CONTEXT(c); - tnl->Driver.RunPipeline = _tnl_run_pipeline; - /* swrast setup */ - if (((GLvisual *)visual)->rgbMode) dmesa_register_swrast_functions(c); - dmesa_init_pointers(c); - _swsetup_Wakeup(c); - } + /* you probably have to do a bunch of other initializations here. */ + ((DMesaContext)c)->visual = visual; + + /* Initialize the software rasterizer and helper modules. + */ + _swrast_CreateContext(c); + _ac_CreateContext(c); + _tnl_CreateContext(c); + _swsetup_CreateContext(c); + /* tnl setup */ + tnl = TNL_CONTEXT(c); + tnl->Driver.RunPipeline = _tnl_run_pipeline; + /* swrast setup */ + if (((GLvisual *)visual)->rgbMode) dmesa_register_swrast_functions(c); + dmesa_init_pointers(c); + _swsetup_Wakeup(c); + } #else /* FX */ - c = (GLcontext *)0xdeadbeef; + c = (GLcontext *)0xdeadbeef; #endif /* FX */ - return (DMesaContext)c; + return (DMesaContext)c; } - -void DMesaDestroyContext (DMesaContext c) +void +DMesaDestroyContext (DMesaContext c) { #ifndef FX - if (c) { - _swsetup_DestroyContext((GLcontext *)c); - _swrast_DestroyContext((GLcontext *)c); - _tnl_DestroyContext((GLcontext *)c); - _ac_DestroyContext((GLcontext *)c); - _mesa_destroy_context((GLcontext *)c); - } + if (c) { + _swsetup_DestroyContext((GLcontext *)c); + _swrast_DestroyContext((GLcontext *)c); + _tnl_DestroyContext((GLcontext *)c); + _ac_DestroyContext((GLcontext *)c); + _mesa_destroy_context((GLcontext *)c); + } #endif } - -GLboolean DMesaMoveBuffer (GLint xpos, GLint ypos) +GLboolean +DMesaMoveBuffer (GLint xpos, GLint ypos) { #ifndef FX - GET_CURRENT_CONTEXT(ctx); - DMesaBuffer b = ((DMesaContext)ctx)->buffer; - - if (vl_sync_buffer(&b->the_window, xpos, ypos, b->width, b->height) == 0) { - b->xpos = xpos; - b->ypos = ypos; - return GL_TRUE; - } + GET_CURRENT_CONTEXT(ctx); + DMesaBuffer b = ((DMesaContext)ctx)->buffer; + + if (vl_sync_buffer(&b->the_window, xpos, ypos, b->width, b->height) == 0) { + b->xpos = xpos; + b->ypos = ypos; + return GL_TRUE; + } #endif - return GL_FALSE; + return GL_FALSE; } - -GLboolean DMesaResizeBuffer (GLint width, GLint height) +GLboolean +DMesaResizeBuffer (GLint width, GLint height) { #ifndef FX - GET_CURRENT_CONTEXT(ctx); - DMesaBuffer b = ((DMesaContext)ctx)->buffer; - - if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, width, height) == 0) { - b->width = width; - b->height = height; - return GL_TRUE; - } + GET_CURRENT_CONTEXT(ctx); + DMesaBuffer b = ((DMesaContext)ctx)->buffer; + + if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, width, height) == 0) { + b->width = width; + b->height = height; + return GL_TRUE; + } #endif - return GL_FALSE; + return GL_FALSE; } - /* * Make the specified context and buffer the current one. */ -GLboolean DMesaMakeCurrent (DMesaContext c, DMesaBuffer b) +GLboolean +DMesaMakeCurrent (DMesaContext c, DMesaBuffer b) { #ifndef FX - if ((c != NULL) && (b != NULL)) { - if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, b->width, b->height) != 0) { - return GL_FALSE; - } - - c->buffer = b; - - _mesa_make_current((GLcontext *)c, (GLframebuffer *)b); - if (((GLcontext *)c)->Viewport.Width == 0) { - /* initialize viewport to window size */ - _mesa_Viewport(0, 0, b->width, b->height); - } - } else { - /* Detach */ - _mesa_make_current(NULL, NULL); - } + if ((c != NULL) && (b != NULL)) { + if (vl_sync_buffer(&b->the_window, b->xpos, b->ypos, b->width, b->height) != 0) { + return GL_FALSE; + } + + c->buffer = b; + + _mesa_make_current((GLcontext *)c, (GLframebuffer *)b); + if (((GLcontext *)c)->Viewport.Width == 0) { + /* initialize viewport to window size */ + _mesa_Viewport(0, 0, b->width, b->height); + } + } else { + /* Detach */ + _mesa_make_current(NULL, NULL); + } #else - fxMesaMakeCurrent((fxMesaContext)b); + fxMesaMakeCurrent((fxMesaContext)b); #endif - return GL_TRUE; + return GL_TRUE; } - -void DMesaSwapBuffers (DMesaBuffer b) +void +DMesaSwapBuffers (DMesaBuffer b) { - /* copy/swap back buffer to front if applicable */ + /* copy/swap back buffer to front if applicable */ #ifndef FX - GET_CURRENT_CONTEXT(ctx); - _mesa_notifySwapBuffers(ctx); - vl_flip(); + GET_CURRENT_CONTEXT(ctx); + _mesa_notifySwapBuffers(ctx); + vl_flip(); #else - fxMesaSwapBuffers(); + fxMesaSwapBuffers(); #endif } - -void DMesaSetCI (int ndx, GLfloat red, GLfloat green, GLfloat blue) +void +DMesaSetCI (int ndx, GLfloat red, GLfloat green, GLfloat blue) { #ifndef FX - vl_setCI(ndx, red, green, blue); + vl_setCI(ndx, red, green, blue); #endif } - -DMesaContext DMesaGetCurrentContext (void) +DMesaContext +DMesaGetCurrentContext (void) { - GET_CURRENT_CONTEXT(ctx); + GET_CURRENT_CONTEXT(ctx); #ifndef FX #else - if (ctx != NULL) { - ctx = (GLcontext *)0xdeadbeef; - } + if (ctx != NULL) { + ctx = (GLcontext *)0xdeadbeef; + } #endif - return (DMesaContext)ctx; + return (DMesaContext)ctx; } - -DMesaBuffer DMesaGetCurrentBuffer (void) +DMesaBuffer +DMesaGetCurrentBuffer (void) { - const DMesaContext dmesa = DMesaGetCurrentContext(); + const DMesaContext dmesa = DMesaGetCurrentContext(); - if (dmesa == NULL) { - return NULL; - } + if (dmesa == NULL) { + return NULL; + } #ifndef FX - return dmesa->buffer; + return dmesa->buffer; #else - return (DMesaBuffer)fxMesaGetCurrentContext(); + return (DMesaBuffer)fxMesaGetCurrentContext(); #endif } - -void *DMesaGetProcAddress (const char *name) +void * +DMesaGetProcAddress (const char *name) { - void *p = (void *)_glapi_get_proc_address(name); + void *p = (void *)_glapi_get_proc_address(name); -/* TODO: handle DMesa* namespace - if (p == NULL) { - } -*/ + /* TODO: handle DMesa* namespace + if (p == NULL) { + } + */ - return p; + return p; } - -int DMesaGetIntegerv (GLenum pname, GLint *params) +int +DMesaGetIntegerv (GLenum pname, GLint *params) { - switch (pname) { - case DMESA_GET_SCREEN_SIZE: - #ifndef FX - vl_get(VL_GET_SCREEN_SIZE, params); - #else - fxGetScreenGeometry(¶ms[0], ¶ms[1]); - #endif - break; - case DMESA_GET_DRIVER_CAPS: - #ifndef FX - params[0] = DMESA_DRIVER_SWDB_BIT; - #else - params[0] = DMESA_DRIVER_LLWO_BIT; - #endif - break; - case DMESA_GET_VIDEO_MODES: - #ifndef FX - return vl_get(VL_GET_VIDEO_MODES, params); - #else - return -1; /* TODO */ - #endif - case DMESA_GET_BUFFER_ADDR: - #ifndef FX - { - DMesaContext c = (DMesaContext)DMesaGetCurrentContext(); - if (c != NULL) { - DMesaBuffer b = c->buffer; - if (b != NULL) { - params[0] = (GLint)b->the_window; - } - } - } - #else - return -1; - #endif - break; - default: - return -1; - } - - return 0; + switch (pname) { + case DMESA_GET_SCREEN_SIZE: + #ifndef FX + vl_get(VL_GET_SCREEN_SIZE, params); + #else + fxGetScreenGeometry(¶ms[0], ¶ms[1]); + #endif + break; + case DMESA_GET_DRIVER_CAPS: + #ifndef FX + params[0] = DMESA_DRIVER_SWDB_BIT; + #else + params[0] = DMESA_DRIVER_LLWO_BIT; + #endif + break; + case DMESA_GET_VIDEO_MODES: + #ifndef FX + return vl_get(VL_GET_VIDEO_MODES, params); + #else + return -1; /* TODO */ + #endif + case DMESA_GET_BUFFER_ADDR: { + #ifndef FX + DMesaContext c = (DMesaContext)DMesaGetCurrentContext(); + if (c != NULL) { + DMesaBuffer b = c->buffer; + if (b != NULL) { + params[0] = (GLint)b->the_window; + } + } + break; + #else + return -1; + #endif + } + default: + return -1; + } + + return 0; } @@ -1421,9 +1413,9 @@ extern_asm(_malloc); extern_asm(_memset); DXE_EXPORT_TABLE_AUTO (___dxe_eta___dxtn) - DXE_EXPORT_ASM (___dj_assert) - DXE_EXPORT_ASM (_free) - DXE_EXPORT_ASM (_malloc) - DXE_EXPORT_ASM (_memset) + DXE_EXPORT_ASM (___dj_assert) + DXE_EXPORT_ASM (_free) + DXE_EXPORT_ASM (_malloc) + DXE_EXPORT_ASM (_memset) DXE_EXPORT_END #endif |