OpenHarmony/third_party_mesa3d
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GLfloat/GLchan updates

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This commit is contained in:
Brian Paul
2002-10-05 03:02:01 +00:00
parent 4b334b2db6
commit f42d366bb6
1 changed files with 22 additions and 18 deletions
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40
src/mesa/drivers/osmesa/osmesa.c
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@@ -1,4 +1,4 @@
/* $Id: osmesa.c,v 1.88 2002/09/27 02:45:39 brianp Exp $ */ /* $Id: osmesa.c,v 1.89 2002/10/05 03:02:01 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -767,9 +767,10 @@ static void clear( GLcontext *ctx, GLbitfield mask, GLboolean all,
} }
} }
else if (osmesa->format == OSMESA_RGB) { else if (osmesa->format == OSMESA_RGB) {
const GLchan r = ctx->Color.ClearColor[0]; GLchan r, g, b;
const GLchan g = ctx->Color.ClearColor[1]; CLAMPED_FLOAT_TO_CHAN(r, ctx->Color.ClearColor[0]);
const GLchan b = ctx->Color.ClearColor[2]; CLAMPED_FLOAT_TO_CHAN(g, ctx->Color.ClearColor[1]);
CLAMPED_FLOAT_TO_CHAN(b, ctx->Color.ClearColor[2]);
if (all) { if (all) {
/* Clear whole RGB buffer */ /* Clear whole RGB buffer */
GLuint n = osmesa->rowlength * osmesa->height; GLuint n = osmesa->rowlength * osmesa->height;
@@ -793,9 +794,10 @@ static void clear( GLcontext *ctx, GLbitfield mask, GLboolean all,
} }
} }
else if (osmesa->format == OSMESA_BGR) { else if (osmesa->format == OSMESA_BGR) {
const GLchan r = ctx->Color.ClearColor[0]; GLchan r, g, b;
const GLchan g = ctx->Color.ClearColor[1]; CLAMPED_FLOAT_TO_CHAN(r, ctx->Color.ClearColor[0]);
const GLchan b = ctx->Color.ClearColor[2]; CLAMPED_FLOAT_TO_CHAN(g, ctx->Color.ClearColor[1]);
CLAMPED_FLOAT_TO_CHAN(b, ctx->Color.ClearColor[2]);
if (all) { if (all) {
/* Clear whole RGB buffer */ /* Clear whole RGB buffer */
const GLint n = osmesa->rowlength * osmesa->height; const GLint n = osmesa->rowlength * osmesa->height;
@@ -819,10 +821,11 @@ static void clear( GLcontext *ctx, GLbitfield mask, GLboolean all,
} }
} }
else if (osmesa->format == OSMESA_RGB_565) { else if (osmesa->format == OSMESA_RGB_565) {
const GLchan r = ctx->Color.ClearColor[0];
const GLchan g = ctx->Color.ClearColor[1];
const GLchan b = ctx->Color.ClearColor[2];
GLushort clearPixel; GLushort clearPixel;
GLchan r, g, b;
CLAMPED_FLOAT_TO_CHAN(r, ctx->Color.ClearColor[0]);
CLAMPED_FLOAT_TO_CHAN(g, ctx->Color.ClearColor[1]);
CLAMPED_FLOAT_TO_CHAN(b, ctx->Color.ClearColor[2]);
PACK_RGB_565(clearPixel, r, g, b); PACK_RGB_565(clearPixel, r, g, b);
if (all) { if (all) {
/* Clear whole RGB buffer */ /* Clear whole RGB buffer */
@@ -851,10 +854,10 @@ static void clear( GLcontext *ctx, GLbitfield mask, GLboolean all,
/* 4-byte pixel value */ /* 4-byte pixel value */
GLuint clearPixel; GLuint clearPixel;
GLchan *clr = (GLchan *) &clearPixel; GLchan *clr = (GLchan *) &clearPixel;
clr[osmesa->rInd] = ctx->Color.ClearColor[0]; CLAMPED_FLOAT_TO_CHAN(clr[osmesa->rInd], ctx->Color.ClearColor[0]);
clr[osmesa->gInd] = ctx->Color.ClearColor[1]; CLAMPED_FLOAT_TO_CHAN(clr[osmesa->gInd], ctx->Color.ClearColor[1]);
clr[osmesa->bInd] = ctx->Color.ClearColor[2]; CLAMPED_FLOAT_TO_CHAN(clr[osmesa->bInd], ctx->Color.ClearColor[2]);
clr[osmesa->aInd] = ctx->Color.ClearColor[3]; CLAMPED_FLOAT_TO_CHAN(clr[osmesa->aInd], ctx->Color.ClearColor[3]);
if (all) { if (all) {
/* Clear whole RGBA buffer */ /* Clear whole RGBA buffer */
const GLuint n = osmesa->rowlength * osmesa->height; const GLuint n = osmesa->rowlength * osmesa->height;
@@ -880,10 +883,11 @@ static void clear( GLcontext *ctx, GLbitfield mask, GLboolean all,
} }
} }
#else #else
const GLchan r = ctx->Color.ClearColor[0]; GLchan r, g, b, a;
const GLchan g = ctx->Color.ClearColor[1]; CLAMPED_FLOAT_TO_CHAN(r, ctx->Color.ClearColor[0]);
const GLchan b = ctx->Color.ClearColor[2]; CLAMPED_FLOAT_TO_CHAN(g, ctx->Color.ClearColor[1]);
const GLchan a = ctx->Color.ClearColor[3]; CLAMPED_FLOAT_TO_CHAN(b, ctx->Color.ClearColor[2]);
CLAMPED_FLOAT_TO_CHAN(a, ctx->Color.ClearColor[3]);
if (all) { if (all) {
/* Clear whole RGBA buffer */ /* Clear whole RGBA buffer */
const GLuint n = osmesa->rowlength * osmesa->height; const GLuint n = osmesa->rowlength * osmesa->height;