OpenHarmony/third_party_mesa3d
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Basic work to support deep color channels:

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Replace GLubyte with GLchan
  Replace 255 with CHAN_MAX
This commit is contained in:
Brian Paul
2000-10-28 18:34:48 +00:00
parent a897b335be
commit ba643a2094
24 changed files with 266 additions and 242 deletions
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36
src/mesa/main/buffers.c
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@@ -1,4 +1,4 @@
/* $Id: buffers.c,v 1.14 2000/10/19 18:17:19 brianp Exp $ */
/* $Id: buffers.c,v 1.15 2000/10/28 18:34:48 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -72,10 +72,10 @@ _mesa_ClearColor( GLclampf red, GLclampf green,
ctx->Color.ClearColor[3] = CLAMP( alpha, 0.0F, 1.0F );
if (ctx->Visual.RGBAflag) {
GLubyte r = (GLint) (ctx->Color.ClearColor[0] * 255.0F);
GLubyte g = (GLint) (ctx->Color.ClearColor[1] * 255.0F);
GLubyte b = (GLint) (ctx->Color.ClearColor[2] * 255.0F);
GLubyte a = (GLint) (ctx->Color.ClearColor[3] * 255.0F);
GLchan r = (GLint) (ctx->Color.ClearColor[0] * CHAN_MAXF);
GLchan g = (GLint) (ctx->Color.ClearColor[1] * CHAN_MAXF);
GLchan b = (GLint) (ctx->Color.ClearColor[2] * CHAN_MAXF);
GLchan a = (GLint) (ctx->Color.ClearColor[3] * CHAN_MAXF);
(*ctx->Driver.ClearColor)( ctx, r, g, b, a );
}
}
@@ -96,13 +96,13 @@ clear_color_buffer_with_masking( GLcontext *ctx )
if (ctx->Visual.RGBAflag) {
/* RGBA mode */
const GLubyte r = (GLint) (ctx->Color.ClearColor[0] * 255.0F);
const GLubyte g = (GLint) (ctx->Color.ClearColor[1] * 255.0F);
const GLubyte b = (GLint) (ctx->Color.ClearColor[2] * 255.0F);
const GLubyte a = (GLint) (ctx->Color.ClearColor[3] * 255.0F);
const GLchan r = (GLint) (ctx->Color.ClearColor[0] * CHAN_MAXF);
const GLchan g = (GLint) (ctx->Color.ClearColor[1] * CHAN_MAXF);
const GLchan b = (GLint) (ctx->Color.ClearColor[2] * CHAN_MAXF);
const GLchan a = (GLint) (ctx->Color.ClearColor[3] * CHAN_MAXF);
GLint i;
for (i = 0; i < height; i++) {
GLubyte rgba[MAX_WIDTH][4];
GLchan rgba[MAX_WIDTH][4];
GLint j;
for (j=0; j<width; j++) {
rgba[j][RCOMP] = r;
@@ -112,7 +112,7 @@ clear_color_buffer_with_masking( GLcontext *ctx )
}
_mesa_mask_rgba_span( ctx, width, x, y + i, rgba );
(*ctx->Driver.WriteRGBASpan)( ctx, width, x, y + i,
(CONST GLubyte (*)[4])rgba, NULL );
(CONST GLchan (*)[4]) rgba, NULL );
}
}
else {
@@ -147,11 +147,11 @@ clear_color_buffer(GLcontext *ctx)
if (ctx->Visual.RGBAflag) {
/* RGBA mode */
const GLubyte r = (GLint) (ctx->Color.ClearColor[0] * 255.0F);
const GLubyte g = (GLint) (ctx->Color.ClearColor[1] * 255.0F);
const GLubyte b = (GLint) (ctx->Color.ClearColor[2] * 255.0F);
const GLubyte a = (GLint) (ctx->Color.ClearColor[3] * 255.0F);
GLubyte span[MAX_WIDTH][4];
const GLchan r = (GLint) (ctx->Color.ClearColor[0] * CHAN_MAXF);
const GLchan g = (GLint) (ctx->Color.ClearColor[1] * CHAN_MAXF);
const GLchan b = (GLint) (ctx->Color.ClearColor[2] * CHAN_MAXF);
const GLchan a = (GLint) (ctx->Color.ClearColor[3] * CHAN_MAXF);
GLchan span[MAX_WIDTH][4];
GLint i;
ASSERT(colorMask == 0xffffffff);
@@ -164,7 +164,7 @@ clear_color_buffer(GLcontext *ctx)
}
for (i = 0; i < height; i++) {
(*ctx->Driver.WriteRGBASpan)( ctx, width, x, y + i,
(CONST GLubyte (*)[4]) span, NULL );
(CONST GLchan (*)[4]) span, NULL );
}
}
else {
@@ -172,7 +172,7 @@ clear_color_buffer(GLcontext *ctx)
ASSERT(ctx->Color.IndexMask == ~0);
if (ctx->Visual.IndexBits == 8) {
/* 8-bit clear */
GLubyte span[MAX_WIDTH];
GLchan span[MAX_WIDTH];
GLint i;
MEMSET(span, ctx->Color.ClearIndex, width);
for (i = 0; i < height; i++) {