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Diffstat (limited to 'src/mesa/swrast/s_copypix.c')
-rw-r--r--src/mesa/swrast/s_copypix.c142
1 files changed, 69 insertions, 73 deletions
diff --git a/src/mesa/swrast/s_copypix.c b/src/mesa/swrast/s_copypix.c
index d7844718278..bea0af48833 100644
--- a/src/mesa/swrast/s_copypix.c
+++ b/src/mesa/swrast/s_copypix.c
@@ -1,4 +1,4 @@
-/* $Id: s_copypix.c,v 1.36 2002/04/19 00:38:27 brianp Exp $ */
+/* $Id: s_copypix.c,v 1.37 2002/04/19 14:05:50 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -107,15 +107,14 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
const GLuint transferOps = ctx->_ImageTransferState;
GLfloat *dest, *tmpImage, *convImage;
- struct sw_span span;
+ struct sw_span *span = swrast->span;
INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_RGBA);
- /*span.arrayMask |= SPAN_RGBA;*/
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);
if (SWRAST_CONTEXT(ctx)->_RasterMask == 0
@@ -252,15 +251,15 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
GLint g = (GLint) (src[i * 4 + GCOMP] * CHAN_MAXF);
GLint b = (GLint) (src[i * 4 + BCOMP] * CHAN_MAXF);
GLint a = (GLint) (src[i * 4 + ACOMP] * CHAN_MAXF);
- span.color.rgba[i][RCOMP] = (GLchan) CLAMP(r, 0, CHAN_MAX);
- span.color.rgba[i][GCOMP] = (GLchan) CLAMP(g, 0, CHAN_MAX);
- span.color.rgba[i][BCOMP] = (GLchan) CLAMP(b, 0, CHAN_MAX);
- span.color.rgba[i][ACOMP] = (GLchan) CLAMP(a, 0, CHAN_MAX);
+ span->color.rgba[i][RCOMP] = (GLchan) CLAMP(r, 0, CHAN_MAX);
+ span->color.rgba[i][GCOMP] = (GLchan) CLAMP(g, 0, CHAN_MAX);
+ span->color.rgba[i][BCOMP] = (GLchan) CLAMP(b, 0, CHAN_MAX);
+ span->color.rgba[i][ACOMP] = (GLchan) CLAMP(a, 0, CHAN_MAX);
}
if (ctx->Pixel.PixelTextureEnabled && ctx->Texture._ReallyEnabled) {
- span.end = width;
- _swrast_pixel_texture(ctx, &span);
+ span->end = width;
+ _swrast_pixel_texture(ctx, span);
}
/* write row to framebuffer */
@@ -268,21 +267,21 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
dy = desty + row;
if (quick_draw && dy >= 0 && dy < (GLint) ctx->DrawBuffer->Height) {
(*swrast->Driver.WriteRGBASpan)( ctx, width, destx, dy,
- (const GLchan (*)[4])span.color.rgba, NULL );
+ (const GLchan (*)[4])span->color.rgba, NULL );
}
else if (zoom) {
- span.x = destx;
- span.y = dy;
- span.end = width;
- _mesa_write_zoomed_rgba_span(ctx, &span,
- (CONST GLchan (*)[4])span.color.rgba,
+ span->x = destx;
+ span->y = dy;
+ span->end = width;
+ _mesa_write_zoomed_rgba_span(ctx, span,
+ (CONST GLchan (*)[4])span->color.rgba,
desty);
}
else {
- span.x = destx;
- span.y = dy;
- span.end = width;
- _mesa_write_rgba_span(ctx, &span);
+ span->x = destx;
+ span->y = dy;
+ span->end = width;
+ _mesa_write_rgba_span(ctx, span);
}
}
@@ -306,10 +305,9 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
GLint overlapping;
const GLuint transferOps = ctx->_ImageTransferState;
- struct sw_span span;
+ struct sw_span *span = swrast->span;
INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_RGBA);
- /*span.arrayMask |= SPAN_RGBA;*/
if (ctx->Pixel.Convolution2DEnabled || ctx->Pixel.Separable2DEnabled) {
copy_conv_rgba_pixels(ctx, srcx, srcy, width, height, destx, desty);
@@ -334,9 +332,9 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
ctx->Pixel.ZoomX, ctx->Pixel.ZoomY);
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);
if (SWRAST_CONTEXT(ctx)->_RasterMask == 0
&& !zoom
@@ -392,7 +390,7 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
/* Get source pixels */
if (overlapping) {
/* get from buffered image */
- MEMCPY(span.color.rgba, p, width * sizeof(GLchan) * 4);
+ MEMCPY(span->color.rgba, p, width * sizeof(GLchan) * 4);
p += width * 4;
}
else {
@@ -413,7 +411,7 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
ctx->ReadBuffer->Alpha = ctx->ReadBuffer->BackRightAlpha;
}
}
- _mesa_read_rgba_span( ctx, ctx->ReadBuffer, width, srcx, sy, span.color.rgba );
+ _mesa_read_rgba_span( ctx, ctx->ReadBuffer, width, srcx, sy, span->color.rgba );
}
if (changeBuffer) {
@@ -431,10 +429,10 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
/* convert chan to float */
for (k = 0; k < width; k++) {
- rgbaFloat[k][RCOMP] = (GLfloat) span.color.rgba[k][RCOMP] * scale;
- rgbaFloat[k][GCOMP] = (GLfloat) span.color.rgba[k][GCOMP] * scale;
- rgbaFloat[k][BCOMP] = (GLfloat) span.color.rgba[k][BCOMP] * scale;
- rgbaFloat[k][ACOMP] = (GLfloat) span.color.rgba[k][ACOMP] * scale;
+ rgbaFloat[k][RCOMP] = (GLfloat) span->color.rgba[k][RCOMP] * scale;
+ rgbaFloat[k][GCOMP] = (GLfloat) span->color.rgba[k][GCOMP] * scale;
+ rgbaFloat[k][BCOMP] = (GLfloat) span->color.rgba[k][BCOMP] * scale;
+ rgbaFloat[k][ACOMP] = (GLfloat) span->color.rgba[k][ACOMP] * scale;
}
/* scale & bias */
if (transferOps & IMAGE_SCALE_BIAS_BIT) {
@@ -494,36 +492,36 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
GLint g = (GLint) (rgbaFloat[k][GCOMP] * CHAN_MAXF);
GLint b = (GLint) (rgbaFloat[k][BCOMP] * CHAN_MAXF);
GLint a = (GLint) (rgbaFloat[k][ACOMP] * CHAN_MAXF);
- span.color.rgba[k][RCOMP] = (GLchan) CLAMP(r, 0, CHAN_MAX);
- span.color.rgba[k][GCOMP] = (GLchan) CLAMP(g, 0, CHAN_MAX);
- span.color.rgba[k][BCOMP] = (GLchan) CLAMP(b, 0, CHAN_MAX);
- span.color.rgba[k][ACOMP] = (GLchan) CLAMP(a, 0, CHAN_MAX);
+ span->color.rgba[k][RCOMP] = (GLchan) CLAMP(r, 0, CHAN_MAX);
+ span->color.rgba[k][GCOMP] = (GLchan) CLAMP(g, 0, CHAN_MAX);
+ span->color.rgba[k][BCOMP] = (GLchan) CLAMP(b, 0, CHAN_MAX);
+ span->color.rgba[k][ACOMP] = (GLchan) CLAMP(a, 0, CHAN_MAX);
}
UNDEFARRAY(rgbaFloat); /* mac 32k limitation */
}
if (ctx->Pixel.PixelTextureEnabled && ctx->Texture._ReallyEnabled) {
- span.end = width;
- _swrast_pixel_texture(ctx, &span);
+ span->end = width;
+ _swrast_pixel_texture(ctx, span);
}
if (quick_draw && dy >= 0 && dy < (GLint) ctx->DrawBuffer->Height) {
(*swrast->Driver.WriteRGBASpan)( ctx, width, destx, dy,
- (const GLchan (*)[4])span.color.rgba, NULL );
+ (const GLchan (*)[4])span->color.rgba, NULL );
}
else if (zoom) {
- span.x = destx;
- span.y = dy;
- span.end = width;
- _mesa_write_zoomed_rgba_span(ctx, &span,
- (CONST GLchan (*)[4]) span.color.rgba,
+ span->x = destx;
+ span->y = dy;
+ span->end = width;
+ _mesa_write_zoomed_rgba_span(ctx, span,
+ (CONST GLchan (*)[4]) span->color.rgba,
desty);
}
else {
- span.x = destx;
- span.y = dy;
- span.end = width;
- _mesa_write_rgba_span(ctx, &span);
+ span->x = destx;
+ span->y = dy;
+ span->end = width;
+ _mesa_write_rgba_span(ctx, span);
}
}
@@ -548,10 +546,9 @@ static void copy_ci_pixels( GLcontext *ctx,
const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
const GLboolean shift_or_offset = ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset;
GLint overlapping;
- struct sw_span span;
+ struct sw_span *span = swrast->span;
INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_INDEX);
- /*span.arrayMask |= SPAN_INDEX;*/
/* Determine if copy should be bottom-to-top or top-to-bottom */
if (srcy<desty) {
@@ -571,9 +568,9 @@ static void copy_ci_pixels( GLcontext *ctx,
ctx->Pixel.ZoomX, ctx->Pixel.ZoomY);
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);
/* If read and draw buffer are different we must do buffer switching */
changeBuffer = ctx->Pixel.ReadBuffer != ctx->Color.DrawBuffer
@@ -607,7 +604,7 @@ static void copy_ci_pixels( GLcontext *ctx,
for (j = 0; j < height; j++, sy += stepy, dy += stepy) {
if (overlapping) {
- MEMCPY(span.color.index, p, width * sizeof(GLuint));
+ MEMCPY(span->color.index, p, width * sizeof(GLuint));
p += width;
}
else {
@@ -616,7 +613,7 @@ static void copy_ci_pixels( GLcontext *ctx,
ctx->Pixel.DriverReadBuffer );
}
_mesa_read_index_span( ctx, ctx->ReadBuffer, width, srcx, sy,
- span.color.index );
+ span->color.index );
}
if (changeBuffer) {
@@ -626,19 +623,19 @@ static void copy_ci_pixels( GLcontext *ctx,
}
if (shift_or_offset) {
- _mesa_shift_and_offset_ci( ctx, width, span.color.index );
+ _mesa_shift_and_offset_ci( ctx, width, span->color.index );
}
if (ctx->Pixel.MapColorFlag) {
- _mesa_map_ci( ctx, width, span.color.index );
+ _mesa_map_ci( ctx, width, span->color.index );
}
- span.x = destx;
- span.y = dy;
- span.end = width;
+ span->x = destx;
+ span->y = dy;
+ span->end = width;
if (zoom)
- _mesa_write_zoomed_index_span(ctx, &span, desty);
+ _mesa_write_zoomed_index_span(ctx, span, desty);
else
- _mesa_write_index_span(ctx, &span);
+ _mesa_write_index_span(ctx, span);
}
/* Restore pixel source to be the draw buffer (for blending, etc) */
@@ -664,10 +661,9 @@ static void copy_depth_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
GLint i, j;
const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
GLint overlapping;
- struct sw_span span;
+ struct sw_span *span = SWRAST_CONTEXT(ctx)->span;
INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_Z);
- /*span.arrayMask |= SPAN_Z;*/
if (!ctx->Visual.depthBits) {
_mesa_error( ctx, GL_INVALID_OPERATION, "glCopyPixels" );
@@ -691,9 +687,9 @@ static void copy_depth_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
overlapping = regions_overlap(srcx, srcy, destx, desty, width, height,
ctx->Pixel.ZoomX, ctx->Pixel.ZoomY);
- _mesa_span_default_color(ctx, &span);
+ _mesa_span_default_color(ctx, span);
if (ctx->Fog.Enabled)
- _mesa_span_default_fog(ctx, &span);
+ _mesa_span_default_fog(ctx, span);
if (overlapping) {
GLint ssy = sy;
@@ -725,25 +721,25 @@ static void copy_depth_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
for (i = 0; i < width; i++) {
GLfloat d = depth[i] * ctx->Pixel.DepthScale + ctx->Pixel.DepthBias;
- span.zArray[i] = (GLdepth) (CLAMP(d, 0.0F, 1.0F) * ctx->DepthMax);
+ span->zArray[i] = (GLdepth) (CLAMP(d, 0.0F, 1.0F) * ctx->DepthMax);
}
- span.x = destx;
- span.y = dy;
- span.end = width;
+ span->x = destx;
+ span->y = dy;
+ span->end = width;
if (ctx->Visual.rgbMode) {
if (zoom)
- _mesa_write_zoomed_rgba_span( ctx, &span,
- (const GLchan (*)[4])span.color.rgba,
+ _mesa_write_zoomed_rgba_span( ctx, span,
+ (const GLchan (*)[4])span->color.rgba,
desty );
else
- _mesa_write_rgba_span(ctx, &span);
+ _mesa_write_rgba_span(ctx, span);
}
else {
if (zoom)
- _mesa_write_zoomed_index_span( ctx, &span, desty );
+ _mesa_write_zoomed_index_span( ctx, span, desty );
else
- _mesa_write_index_span(ctx, &span);
+ _mesa_write_index_span(ctx, span);
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-29 13:42:52 +0000