summaryrefslogtreecommitdiffstats
path: root/src/mesa/swrast/s_bitmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/swrast/s_bitmap.c')
-rw-r--r--src/mesa/swrast/s_bitmap.c93
1 files changed, 46 insertions, 47 deletions
diff --git a/src/mesa/swrast/s_bitmap.c b/src/mesa/swrast/s_bitmap.c
index 518e0587df0..1525908b233 100644
--- a/src/mesa/swrast/s_bitmap.c
+++ b/src/mesa/swrast/s_bitmap.c
@@ -1,4 +1,4 @@
-/* $Id: s_bitmap.c,v 1.17 2002/04/12 15:39:59 brianp Exp $ */
+/* $Id: s_bitmap.c,v 1.18 2002/04/19 14:05:50 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -53,7 +53,7 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
SWcontext *swrast = SWRAST_CONTEXT(ctx);
GLint row, col;
GLuint count = 0;
- struct sw_span span;
+ struct sw_span *span = swrast->span;
ASSERT(ctx->RenderMode == GL_RENDER);
ASSERT(bitmap);
@@ -64,28 +64,27 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
_swrast_validate_derived( ctx );
INIT_SPAN(span, GL_BITMAP, width, 0, SPAN_XY);
- /*span.arrayMask |= SPAN_XY;
- span.end = width;*/
+
if (ctx->Visual.rgbMode) {
- span.interpMask |= SPAN_RGBA;
- span.red = FloatToFixed(ctx->Current.RasterColor[0] * CHAN_MAXF);
- span.green = FloatToFixed(ctx->Current.RasterColor[1] * CHAN_MAXF);
- span.blue = FloatToFixed(ctx->Current.RasterColor[2] * CHAN_MAXF);
- span.alpha = FloatToFixed(ctx->Current.RasterColor[3] * CHAN_MAXF);
- span.redStep = span.greenStep = span.blueStep = span.alphaStep = 0;
+ span->interpMask |= SPAN_RGBA;
+ span->red = FloatToFixed(ctx->Current.RasterColor[0] * CHAN_MAXF);
+ span->green = FloatToFixed(ctx->Current.RasterColor[1] * CHAN_MAXF);
+ span->blue = FloatToFixed(ctx->Current.RasterColor[2] * CHAN_MAXF);
+ span->alpha = FloatToFixed(ctx->Current.RasterColor[3] * CHAN_MAXF);
+ span->redStep = span->greenStep = span->blueStep = span->alphaStep = 0;
}
else {
- span.interpMask |= SPAN_INDEX;
- span.index = ChanToFixed(ctx->Current.RasterIndex);
- span.indexStep = 0;
+ span->interpMask |= SPAN_INDEX;
+ span->index = ChanToFixed(ctx->Current.RasterIndex);
+ span->indexStep = 0;
}
if (ctx->Depth.Test)
- _mesa_span_default_z(ctx, &span);
+ _mesa_span_default_z(ctx, span);
if (ctx->Fog.Enabled)
- _mesa_span_default_fog(ctx, &span);
+ _mesa_span_default_fog(ctx, span);
- for (row = 0; row < height; row++, span.y++) {
+ for (row = 0; row < height; row++, span->y++) {
const GLubyte *src = (const GLubyte *) _mesa_image_address( unpack,
bitmap, width, height, GL_COLOR_INDEX, GL_BITMAP, 0, row, 0 );
@@ -94,8 +93,8 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
GLubyte mask = 1U << (unpack->SkipPixels & 0x7);
for (col = 0; col < width; col++) {
if (*src & mask) {
- span.xArray[count] = px + col;
- span.yArray[count] = py + row;
+ span->xArray[count] = px + col;
+ span->yArray[count] = py + row;
count++;
}
if (mask == 128U) {
@@ -116,8 +115,8 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
GLubyte mask = 128U >> (unpack->SkipPixels & 0x7);
for (col = 0; col < width; col++) {
if (*src & mask) {
- span.xArray[count] = px + col;
- span.yArray[count] = py + row;
+ span->xArray[count] = px + col;
+ span->yArray[count] = py + row;
count++;
}
if (mask == 1U) {
@@ -136,12 +135,12 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
if (count + width >= MAX_WIDTH || row + 1 == height) {
/* flush the span */
- span.end = count;
+ span->end = count;
if (ctx->Visual.rgbMode)
- _mesa_write_rgba_span(ctx, &span);
+ _mesa_write_rgba_span(ctx, span);
else
- _mesa_write_index_span(ctx, &span);
- span.end = 0;
+ _mesa_write_index_span(ctx, span);
+ span->end = 0;
count = 0;
}
}
@@ -165,7 +164,7 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
GLint row, col;
- struct sw_span span;
+ struct sw_span *span = swrast->span;
ASSERT(ctx->RenderMode == GL_RENDER);
ASSERT(bitmap);
@@ -176,30 +175,30 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
_swrast_validate_derived( ctx );
INIT_SPAN(span, GL_BITMAP, width, 0, SPAN_MASK);
- /*span.arrayMask |= SPAN_MASK;*/ /* we'll init span.mask[] */
- span.x = px;
- span.y = py;
- /*span.end = width;*/
+ /*span->arrayMask |= SPAN_MASK;*/ /* we'll init span->mask[] */
+ span->x = px;
+ span->y = py;
+ /*span->end = width;*/
if (ctx->Visual.rgbMode) {
- span.interpMask |= SPAN_RGBA;
- span.red = FloatToFixed(ctx->Current.RasterColor[0] * CHAN_MAXF);
- span.green = FloatToFixed(ctx->Current.RasterColor[1] * CHAN_MAXF);
- span.blue = FloatToFixed(ctx->Current.RasterColor[2] * CHAN_MAXF);
- span.alpha = FloatToFixed(ctx->Current.RasterColor[3] * CHAN_MAXF);
- span.redStep = span.greenStep = span.blueStep = span.alphaStep = 0;
+ span->interpMask |= SPAN_RGBA;
+ span->red = FloatToFixed(ctx->Current.RasterColor[0] * CHAN_MAXF);
+ span->green = FloatToFixed(ctx->Current.RasterColor[1] * CHAN_MAXF);
+ span->blue = FloatToFixed(ctx->Current.RasterColor[2] * CHAN_MAXF);
+ span->alpha = FloatToFixed(ctx->Current.RasterColor[3] * CHAN_MAXF);
+ span->redStep = span->greenStep = span->blueStep = span->alphaStep = 0;
}
else {
- span.interpMask |= SPAN_INDEX;
- span.index = ChanToFixed(ctx->Current.RasterIndex);
- span.indexStep = 0;
+ span->interpMask |= SPAN_INDEX;
+ span->index = ChanToFixed(ctx->Current.RasterIndex);
+ span->indexStep = 0;
}
if (ctx->Depth.Test)
- _mesa_span_default_z(ctx, &span);
+ _mesa_span_default_z(ctx, span);
if (ctx->Fog.Enabled)
- _mesa_span_default_fog(ctx, &span);
+ _mesa_span_default_fog(ctx, span);
- for (row=0; row<height; row++, span.y++) {
+ for (row=0; row<height; row++, span->y++) {
const GLubyte *src = (const GLubyte *) _mesa_image_address( unpack,
bitmap, width, height, GL_COLOR_INDEX, GL_BITMAP, 0, row, 0 );
@@ -207,7 +206,7 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
/* Lsb first */
GLubyte mask = 1U << (unpack->SkipPixels & 0x7);
for (col=0; col<width; col++) {
- span.mask[col] = (*src & mask) ? GL_TRUE : GL_FALSE;
+ span->mask[col] = (*src & mask) ? GL_TRUE : GL_FALSE;
if (mask == 128U) {
src++;
mask = 1U;
@@ -218,9 +217,9 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
}
if (ctx->Visual.rgbMode)
- _mesa_write_rgba_span(ctx, &span);
+ _mesa_write_rgba_span(ctx, span);
else
- _mesa_write_index_span(ctx, &span);
+ _mesa_write_index_span(ctx, span);
/* get ready for next row */
if (mask != 1)
@@ -230,7 +229,7 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
/* Msb first */
GLubyte mask = 128U >> (unpack->SkipPixels & 0x7);
for (col=0; col<width; col++) {
- span.mask[col] = (*src & mask) ? GL_TRUE : GL_FALSE;
+ span->mask[col] = (*src & mask) ? GL_TRUE : GL_FALSE;
if (mask == 1U) {
src++;
mask = 128U;
@@ -241,9 +240,9 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
}
if (ctx->Visual.rgbMode)
- _mesa_write_rgba_span(ctx, &span);
+ _mesa_write_rgba_span(ctx, span);
else
- _mesa_write_index_span(ctx, &span);
+ _mesa_write_index_span(ctx, span);
/* get ready for next row */
if (mask != 128)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 18:46:54 +0000