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-rw-r--r--src/mesa/main/drawpix.c26
-rw-r--r--src/mesa/main/mtypes.h3
-rw-r--r--src/mesa/main/rastpos.c64
3 files changed, 52 insertions, 41 deletions
diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c
index 7d29257c497..1b069078833 100644
--- a/src/mesa/main/drawpix.c
+++ b/src/mesa/main/drawpix.c
@@ -1,4 +1,4 @@
-/* $Id: drawpix.c,v 1.55 2001/06/26 01:32:48 brianp Exp $ */
+/* $Id: drawpix.c,v 1.56 2001/06/26 21:15:35 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -42,8 +42,6 @@
-
-
/*
* Execute glDrawPixels
*/
@@ -64,13 +62,10 @@ _mesa_DrawPixels( GLsizei width, GLsizei height,
_mesa_update_state(ctx);
}
-#if 1
+ /* Round, to satisfy conformance tests (matches SGI's OpenGL) */
x = IROUND(ctx->Current.RasterPos[0]);
y = IROUND(ctx->Current.RasterPos[1]);
-#else
- x = IFLOOR(ctx->Current.RasterPos[0]);
- y = IFLOOR(ctx->Current.RasterPos[1]);
-#endif
+
ctx->OcclusionResult = GL_TRUE;
ctx->Driver.DrawPixels(ctx, x, y, width, height, format, type,
&ctx->Unpack, pixels);
@@ -146,13 +141,11 @@ _mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height,
if (!ctx->Current.RasterPosValid) {
return;
}
-#if 1
+
+ /* Round, to satisfy conformance tests (matches SGI's OpenGL) */
destx = IROUND(ctx->Current.RasterPos[0]);
desty = IROUND(ctx->Current.RasterPos[1]);
-#else
- destx = IFLOOR(ctx->Current.RasterPos[0]);
- desty = IFLOOR(ctx->Current.RasterPos[1]);
-#endif
+
ctx->OcclusionResult = GL_TRUE;
ctx->Driver.CopyPixels( ctx, srcx, srcy, width, height, destx, desty,
@@ -195,13 +188,10 @@ _mesa_Bitmap( GLsizei width, GLsizei height,
if (ctx->RenderMode==GL_RENDER) {
if (bitmap) {
-#if 0
- GLint x = (GLint) ( (ctx->Current.RasterPos[0] - xorig) + 0.0F );
- GLint y = (GLint) ( (ctx->Current.RasterPos[1] - yorig) + 0.0F );
-#else
+ /* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */
GLint x = IFLOOR(ctx->Current.RasterPos[0] - xorig);
GLint y = IFLOOR(ctx->Current.RasterPos[1] - yorig);
-#endif
+
if (ctx->NewState) {
_mesa_update_state(ctx);
}
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index b9e1778cc8d..8b0eb4fd8b0 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1,4 +1,4 @@
-/* $Id: mtypes.h,v 1.47 2001/06/26 01:32:48 brianp Exp $ */
+/* $Id: mtypes.h,v 1.48 2001/06/26 21:15:35 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -309,6 +309,7 @@ struct gl_current_attrib {
GLfloat RasterPos[4]; /* Current raster position */
GLfloat RasterDistance; /* Current raster distance */
GLfloat RasterColor[4]; /* Current raster color */
+ GLfloat RasterSecondaryColor[4]; /* Current rast 2ndary color */
GLuint RasterIndex; /* Current raster index */
GLfloat *RasterTexCoord; /* Current raster texcoord*/
GLfloat RasterMultiTexCoord[MAX_TEXTURE_UNITS][4];
diff --git a/src/mesa/main/rastpos.c b/src/mesa/main/rastpos.c
index c4f87c2ba4f..348cfa7c0a8 100644
--- a/src/mesa/main/rastpos.c
+++ b/src/mesa/main/rastpos.c
@@ -1,4 +1,4 @@
-/* $Id: rastpos.c,v 1.27 2001/06/26 01:32:48 brianp Exp $ */
+/* $Id: rastpos.c,v 1.28 2001/06/26 21:15:36 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -110,22 +110,30 @@ userclip_point( GLcontext* ctx, const GLfloat v[] )
/* This has been split off to allow the normal shade routines to
* get a little closer to the vertex buffer, and to use the
* GLvector objects directly.
+ * Input: ctx - the context
+ * vertex - vertex location
+ * normal - normal vector
+ * Output: Rcolor - returned color
+ * Rspec - returned specular color (if separate specular enabled)
+ * Rindex - returned color index
*/
static void
shade_rastpos(GLcontext *ctx,
const GLfloat vertex[4],
const GLfloat normal[3],
GLfloat Rcolor[4],
- GLuint *index)
+ GLfloat Rspec[4],
+ GLuint *Rindex)
{
GLfloat (*base)[3] = ctx->Light._BaseColor;
const GLfloat *sumA = ctx->Light._BaseAlpha;
struct gl_light *light;
- GLfloat color[4];
+ GLfloat diffuseColor[4], specularColor[4];
GLfloat diffuse = 0, specular = 0;
- COPY_3V(color, base[0]);
- color[3] = sumA[0];
+ COPY_3V(diffuseColor, base[0]);
+ diffuseColor[3] = sumA[0];
+ ASSIGN_4V(specularColor, 0.0, 0.0, 0.0, 0.0);
foreach (light, &ctx->Light.EnabledList) {
GLfloat n_dot_h;
@@ -133,7 +141,7 @@ shade_rastpos(GLcontext *ctx,
GLfloat VP[3];
GLfloat n_dot_VP;
GLfloat *h;
- GLfloat contrib[3];
+ GLfloat diffuseContrib[3], specularContrib[3];
GLboolean normalized;
if (!(light->_Flags & LIGHT_POSITIONAL)) {
@@ -176,13 +184,14 @@ shade_rastpos(GLcontext *ctx,
n_dot_VP = DOT3( normal, VP );
if (n_dot_VP < 0.0F) {
- ACC_SCALE_SCALAR_3V(color, attenuation, light->_MatAmbient[0]);
+ ACC_SCALE_SCALAR_3V(diffuseColor, attenuation, light->_MatAmbient[0]);
continue;
}
- COPY_3V(contrib, light->_MatAmbient[0]);
- ACC_SCALE_SCALAR_3V(contrib, n_dot_VP, light->_MatDiffuse[0]);
+ COPY_3V(diffuseContrib, light->_MatAmbient[0]);
+ ACC_SCALE_SCALAR_3V(diffuseContrib, n_dot_VP, light->_MatDiffuse[0]);
diffuse += n_dot_VP * light->_dli * attenuation;
+ ASSIGN_3V(specularContrib, 0.0, 0.0, 0.0);
{
if (ctx->Light.Model.LocalViewer) {
@@ -206,7 +215,7 @@ shade_rastpos(GLcontext *ctx,
n_dot_h = DOT3(normal, h);
if (n_dot_h > 0.0F) {
- struct gl_material *mat = &ctx->Light.Material[0];
+ const struct gl_material *mat = &ctx->Light.Material[0];
GLfloat spec_coef;
GLfloat shininess = mat->Shininess;
@@ -219,21 +228,32 @@ shade_rastpos(GLcontext *ctx,
GET_SHINE_TAB_ENTRY( ctx->_ShineTable[0], n_dot_h, spec_coef );
if (spec_coef > 1.0e-10) {
- ACC_SCALE_SCALAR_3V( contrib, spec_coef,
- light->_MatSpecular[0]);
+ if (ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR) {
+ ACC_SCALE_SCALAR_3V( specularContrib, spec_coef,
+ light->_MatSpecular[0]);
+ }
+ else {
+ ACC_SCALE_SCALAR_3V( diffuseContrib, spec_coef,
+ light->_MatSpecular[0]);
+ }
specular += spec_coef * light->_sli * attenuation;
}
}
}
- ACC_SCALE_SCALAR_3V( color, attenuation, contrib );
+ ACC_SCALE_SCALAR_3V( diffuseColor, attenuation, diffuseContrib );
+ ACC_SCALE_SCALAR_3V( specularColor, attenuation, specularContrib );
}
if (ctx->Visual.rgbMode) {
- Rcolor[0] = CLAMP(color[0], 0.0F, 1.0F);
- Rcolor[1] = CLAMP(color[1], 0.0F, 1.0F);
- Rcolor[2] = CLAMP(color[2], 0.0F, 1.0F);
- Rcolor[3] = CLAMP(color[3], 0.0F, 1.0F);
+ Rcolor[0] = CLAMP(diffuseColor[0], 0.0F, 1.0F);
+ Rcolor[1] = CLAMP(diffuseColor[1], 0.0F, 1.0F);
+ Rcolor[2] = CLAMP(diffuseColor[2], 0.0F, 1.0F);
+ Rcolor[3] = CLAMP(diffuseColor[3], 0.0F, 1.0F);
+ Rspec[0] = CLAMP(specularColor[0], 0.0F, 1.0F);
+ Rspec[1] = CLAMP(specularColor[1], 0.0F, 1.0F);
+ Rspec[2] = CLAMP(specularColor[2], 0.0F, 1.0F);
+ Rspec[3] = CLAMP(specularColor[3], 0.0F, 1.0F);
}
else {
struct gl_material *mat = &ctx->Light.Material[0];
@@ -245,7 +265,7 @@ shade_rastpos(GLcontext *ctx,
if (ind > mat->SpecularIndex) {
ind = mat->SpecularIndex;
}
- *index = (GLuint) (GLint) ind;
+ *Rindex = (GLuint) (GLint) ind;
}
}
@@ -282,16 +302,16 @@ raster_pos4f(GLcontext *ctx, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
shade_rastpos( ctx, v, norm,
ctx->Current.RasterColor,
+ ctx->Current.RasterSecondaryColor,
&ctx->Current.RasterIndex );
}
else {
/* use current color or index */
if (ctx->Visual.rgbMode) {
- ctx->Current.RasterColor[0] = (ctx->Current.Color[0]);
- ctx->Current.RasterColor[1] = (ctx->Current.Color[1]);
- ctx->Current.RasterColor[2] = (ctx->Current.Color[2]);
- ctx->Current.RasterColor[3] = (ctx->Current.Color[3]);
+ COPY_4FV(ctx->Current.RasterColor, ctx->Current.Color);
+ COPY_4FV(ctx->Current.RasterSecondaryColor,
+ ctx->Current.SecondaryColor);
}
else {
ctx->Current.RasterIndex = ctx->Current.Index;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 06:01:22 +0000