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Diffstat (limited to 'src/mesa/swrast/s_drawpix.c')
-rw-r--r--src/mesa/swrast/s_drawpix.c168
1 files changed, 85 insertions, 83 deletions
diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c
index 94dea3d5105..5ce9469aacb 100644
--- a/src/mesa/swrast/s_drawpix.c
+++ b/src/mesa/swrast/s_drawpix.c
@@ -1,4 +1,4 @@
-/* $Id: s_drawpix.c,v 1.27 2002/01/28 00:07:33 brianp Exp $ */
+/* $Id: s_drawpix.c,v 1.28 2002/01/31 00:27:43 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -103,13 +103,20 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
const struct gl_pixelstore_attrib *unpack = &ctx->Unpack;
- GLchan rgb[MAX_WIDTH][3];
- GLchan rgba[MAX_WIDTH][4];
+ struct sw_span span;
+
+ INIT_SPAN(span);
+ span.arrayMask |= SPAN_RGBA;
if (!ctx->Current.RasterPosValid) {
return GL_TRUE; /* no-op */
}
+ if (ctx->Depth.Test)
+ _mesa_span_default_z(ctx, &span);
+ if (ctx->Fog.Enabled)
+ _mesa_span_default_fog(ctx, &span);
+
if ((SWRAST_CONTEXT(ctx)->_RasterMask&(~(SCISSOR_BIT|WINCLIP_BIT)))==0
&& ctx->Texture._ReallyEnabled == 0
&& unpack->Alignment == 1
@@ -232,8 +239,11 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
/* with zooming */
GLint row;
for (row=0; row<drawHeight; row++) {
- _mesa_write_zoomed_rgba_span(ctx, drawWidth, destX, destY,
- zSpan, 0, (CONST GLchan (*)[4]) src, zoomY0);
+ span.x = destX;
+ span.y = destY;
+ span.end = drawWidth;
+ _mesa_write_zoomed_rgba_span(ctx, &span,
+ (CONST GLchan (*)[4]) src, zoomY0);
src += rowLength * 4;
destY++;
}
@@ -269,8 +279,11 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
/* with zooming */
GLint row;
for (row=0; row<drawHeight; row++) {
- _mesa_write_zoomed_rgb_span(ctx, drawWidth, destX, destY,
- zSpan, 0, (CONST GLchan (*)[3]) src, zoomY0);
+ span.x = destX;
+ span.y = destY;
+ span.end = drawWidth;
+ _mesa_write_zoomed_rgb_span(ctx, &span,
+ (CONST GLchan (*)[3]) src, zoomY0);
src += rowLength * 3;
destY++;
}
@@ -290,12 +303,12 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
for (row=0; row<drawHeight; row++) {
GLint i;
for (i=0;i<drawWidth;i++) {
- rgb[i][0] = src[i];
- rgb[i][1] = src[i];
- rgb[i][2] = src[i];
+ span.color.rgb[i][0] = src[i];
+ span.color.rgb[i][1] = src[i];
+ span.color.rgb[i][2] = src[i];
}
(*swrast->Driver.WriteRGBSpan)(ctx, drawWidth, destX, destY,
- (CONST GLchan (*)[3]) rgb, NULL);
+ (CONST GLchan (*)[3]) span.color.rgb, NULL);
src += rowLength;
destY++;
}
@@ -307,13 +320,13 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
for (row=0; row<drawHeight; row++) {
GLint i;
for (i=0;i<drawWidth;i++) {
- rgb[i][0] = src[i];
- rgb[i][1] = src[i];
- rgb[i][2] = src[i];
+ span.color.rgb[i][0] = src[i];
+ span.color.rgb[i][1] = src[i];
+ span.color.rgb[i][2] = src[i];
}
destY--;
(*swrast->Driver.WriteRGBSpan)(ctx, drawWidth, destX, destY,
- (CONST GLchan (*)[3]) rgb, NULL);
+ (CONST GLchan (*)[3]) span.color.rgb, NULL);
src += rowLength;
}
}
@@ -324,12 +337,15 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
for (row=0; row<drawHeight; row++) {
GLint i;
for (i=0;i<drawWidth;i++) {
- rgb[i][0] = src[i];
- rgb[i][1] = src[i];
- rgb[i][2] = src[i];
+ span.color.rgb[i][0] = src[i];
+ span.color.rgb[i][1] = src[i];
+ span.color.rgb[i][2] = src[i];
}
- _mesa_write_zoomed_rgb_span(ctx, drawWidth, destX, destY,
- zSpan, 0, (CONST GLchan (*)[3]) rgb, zoomY0);
+ span.x = destX;
+ span.y = destY;
+ span.end = drawWidth;
+ _mesa_write_zoomed_rgb_span(ctx, &span,
+ (CONST GLchan (*)[3]) span.color.rgb, zoomY0);
src += rowLength;
destY++;
}
@@ -350,13 +366,13 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
GLint i;
GLchan *ptr = src;
for (i=0;i<drawWidth;i++) {
- rgba[i][0] = *ptr;
- rgba[i][1] = *ptr;
- rgba[i][2] = *ptr++;
- rgba[i][3] = *ptr++;
+ span.color.rgba[i][0] = *ptr;
+ span.color.rgba[i][1] = *ptr;
+ span.color.rgba[i][2] = *ptr++;
+ span.color.rgba[i][3] = *ptr++;
}
(*swrast->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
- (CONST GLchan (*)[4]) rgba, NULL);
+ (CONST GLchan (*)[4]) span.color.rgba, NULL);
src += rowLength*2;
destY++;
}
@@ -369,14 +385,14 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
GLint i;
GLchan *ptr = src;
for (i=0;i<drawWidth;i++) {
- rgba[i][0] = *ptr;
- rgba[i][1] = *ptr;
- rgba[i][2] = *ptr++;
- rgba[i][3] = *ptr++;
+ span.color.rgba[i][0] = *ptr;
+ span.color.rgba[i][1] = *ptr;
+ span.color.rgba[i][2] = *ptr++;
+ span.color.rgba[i][3] = *ptr++;
}
destY--;
(*swrast->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
- (CONST GLchan (*)[4]) rgba, NULL);
+ (CONST GLchan (*)[4]) span.color.rgba, NULL);
src += rowLength*2;
}
}
@@ -388,13 +404,16 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
GLchan *ptr = src;
GLint i;
for (i=0;i<drawWidth;i++) {
- rgba[i][0] = *ptr;
- rgba[i][1] = *ptr;
- rgba[i][2] = *ptr++;
- rgba[i][3] = *ptr++;
+ span.color.rgba[i][0] = *ptr;
+ span.color.rgba[i][1] = *ptr;
+ span.color.rgba[i][2] = *ptr++;
+ span.color.rgba[i][3] = *ptr++;
}
- _mesa_write_zoomed_rgba_span(ctx, drawWidth, destX, destY,
- zSpan, 0, (CONST GLchan (*)[4]) rgba, zoomY0);
+ span.x = destX;
+ span.y = destY;
+ span.end = drawWidth;
+ _mesa_write_zoomed_rgba_span(ctx, &span,
+ (CONST GLchan (*)[4]) span.color.rgba, zoomY0);
src += rowLength*2;
destY++;
}
@@ -411,10 +430,9 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
GLint row;
for (row=0; row<drawHeight; row++) {
ASSERT(drawWidth < MAX_WIDTH);
- _mesa_map_ci8_to_rgba(ctx, drawWidth, src, rgba);
+ _mesa_map_ci8_to_rgba(ctx, drawWidth, src, span.color.rgba);
(*swrast->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
- (const GLchan (*)[4]) rgba,
- NULL);
+ (const GLchan (*)[4]) span.color.rgba, NULL);
src += rowLength;
destY++;
}
@@ -425,11 +443,10 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
GLint row;
for (row=0; row<drawHeight; row++) {
ASSERT(drawWidth < MAX_WIDTH);
- _mesa_map_ci8_to_rgba(ctx, drawWidth, src, rgba);
+ _mesa_map_ci8_to_rgba(ctx, drawWidth, src, span.color.rgba);
destY--;
(*swrast->Driver.WriteRGBASpan)(ctx, drawWidth, destX, destY,
- (CONST GLchan (*)[4]) rgba,
- NULL);
+ (CONST GLchan (*)[4]) span.color.rgba, NULL);
src += rowLength;
}
return GL_TRUE;
@@ -439,9 +456,12 @@ fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
GLint row;
for (row=0; row<drawHeight; row++) {
ASSERT(drawWidth < MAX_WIDTH);
- _mesa_map_ci8_to_rgba(ctx, drawWidth, src, rgba);
- _mesa_write_zoomed_rgba_span(ctx, drawWidth, destX, destY,
- zSpan, 0, (CONST GLchan (*)[4]) rgba, zoomY0);
+ _mesa_map_ci8_to_rgba(ctx, drawWidth, src, span.color.rgba);
+ span.x = destX;
+ span.y = destY;
+ span.end = drawWidth;
+ _mesa_write_zoomed_rgba_span(ctx, &span,
+ (CONST GLchan (*)[4]) span.color.rgba, zoomY0);
src += rowLength;
destY++;
}
@@ -510,17 +530,13 @@ draw_index_pixels( GLcontext *ctx, GLint x, GLint y,
span.color.index,
type, source, &ctx->Unpack,
ctx->_ImageTransferState);
- if (zoom) {
- _mesa_write_zoomed_index_span(ctx, drawWidth, x, y,
- span.zArray, span.fogArray,
- span.color.index, desty);
- }
- else {
- span.x = x;
- span.y = y;
- span.end = drawWidth;
+ span.x = x;
+ span.y = y;
+ span.end = drawWidth;
+ if (zoom)
+ _mesa_write_zoomed_index_span(ctx, &span, desty);
+ else
_mesa_write_index_span(ctx, &span, GL_BITMAP);
- }
}
}
@@ -674,30 +690,21 @@ draw_depth_pixels( GLcontext *ctx, GLint x, GLint y,
}
}
+ span.x = x;
+ span.y = y;
+ span.end = drawWidth;
if (ctx->Visual.rgbMode) {
- if (zoom) {
- _mesa_write_zoomed_rgba_span(ctx, width, x, y, span.zArray, 0,
- (const GLchan (*)[4]) span.color.rgba, desty);
- }
- else {
- span.x = x;
- span.y = y;
- span.end = drawWidth;
+ if (zoom)
+ _mesa_write_zoomed_rgba_span(ctx, &span,
+ (const GLchan (*)[4]) span.color.rgba, desty);
+ else
_mesa_write_rgba_span(ctx, &span, GL_BITMAP);
- }
}
else {
- if (zoom) {
- _mesa_write_zoomed_index_span(ctx, drawWidth, x, y,
- span.zArray, 0,
- span.color.index, GL_BITMAP);
- }
- else {
- span.x = x;
- span.y = y;
- span.end = drawWidth;
+ if (zoom)
+ _mesa_write_zoomed_index_span(ctx, &span, desty);
+ else
_mesa_write_index_span(ctx, &span, GL_BITMAP);
- }
}
}
}
@@ -826,17 +833,10 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
for (row = 0; row < height; row++, y++) {
const GLvoid *source = _mesa_image_address(unpack,
pixels, width, height, format, type, 0, row, 0);
- /* printf("Unpack f=0x%x t=0x%x\n", format, type);*/
_mesa_unpack_chan_color_span(ctx, width, GL_RGBA,
(GLchan *) span.color.rgba,
format, type, source, unpack,
transferOps);
- if (0){
- int k;
- for (k = 0; k < width; k++)
- printf("%02x ", span.color.rgba[k][3]);
- printf("\n");
- }
if ((ctx->Pixel.MinMaxEnabled && ctx->MinMax.Sink) ||
(ctx->Pixel.HistogramEnabled && ctx->Histogram.Sink))
@@ -852,8 +852,10 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
(CONST GLchan (*)[4]) span.color.rgba, NULL);
}
else if (zoom) {
- _mesa_write_zoomed_rgba_span(ctx, width, x, y, span.zArray,
- span.fogArray,
+ span.x = x;
+ span.y = y;
+ span.end = width;
+ _mesa_write_zoomed_rgba_span(ctx, &span,
(CONST GLchan (*)[4]) span.color.rgba, desty);
}
else {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 04:36:35 +0000