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authorBrian Paul <[email protected]>2010-01-04 19:53:28 -0700
committerBrian Paul <[email protected]>2010-01-04 19:53:30 -0700
commitf6c2d1f94ffa8f87b22ed1ff5c465d0e9aa1489e (patch)
tree3a0902a4971600e20320fdc35da21f000da820f6 /src/mesa/main
parent32b9983c0a593c0b50a44ddae829dee820cfd448 (diff)
mesa: make texture BorderColor a union of float/int/uint
When we have integer-valued texture formats, the texture border color must also store integer and uint values. With GL 3.0, the new glTexParameterIiv() and glTexParameterIuiv() functions can set the border color to int or uint values.
Diffstat (limited to 'src/mesa/main')
-rw-r--r--src/mesa/main/attrib.c2
-rw-r--r--src/mesa/main/mtypes.h6
-rw-r--r--src/mesa/main/texobj.c8
-rw-r--r--src/mesa/main/texparam.c21
4 files changed, 19 insertions, 18 deletions
diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c
index fb15a5ba478..0641b98b3b7 100644
--- a/src/mesa/main/attrib.c
+++ b/src/mesa/main/attrib.c
@@ -835,7 +835,7 @@ pop_texture_group(GLcontext *ctx, struct texture_state *texstate)
_mesa_BindTexture(target, obj->Name);
- _mesa_TexParameterfv(target, GL_TEXTURE_BORDER_COLOR, obj->BorderColor);
+ _mesa_TexParameterfv(target, GL_TEXTURE_BORDER_COLOR, obj->BorderColor.f);
_mesa_TexParameterf(target, GL_TEXTURE_PRIORITY, obj->Priority);
_mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, obj->WrapS);
_mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, obj->WrapT);
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index a7f70a1875b..01ad246504a 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1217,7 +1217,11 @@ struct gl_texture_object
GLuint Name; /**< the user-visible texture object ID */
GLenum Target; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
GLfloat Priority; /**< in [0,1] */
- GLfloat BorderColor[4]; /**< unclamped */
+ union {
+ GLfloat f[4];
+ GLuint ui[4];
+ GLint i[4];
+ } BorderColor; /**< Interpreted according to texture format */
GLenum WrapS; /**< S-axis texture image wrap mode */
GLenum WrapT; /**< T-axis texture image wrap mode */
GLenum WrapR; /**< R-axis texture image wrap mode */
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index 09fe7b85ba0..7f0a246025a 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -228,10 +228,10 @@ _mesa_copy_texture_object( struct gl_texture_object *dest,
dest->Target = src->Target;
dest->Name = src->Name;
dest->Priority = src->Priority;
- dest->BorderColor[0] = src->BorderColor[0];
- dest->BorderColor[1] = src->BorderColor[1];
- dest->BorderColor[2] = src->BorderColor[2];
- dest->BorderColor[3] = src->BorderColor[3];
+ dest->BorderColor.f[0] = src->BorderColor.f[0];
+ dest->BorderColor.f[1] = src->BorderColor.f[1];
+ dest->BorderColor.f[2] = src->BorderColor.f[2];
+ dest->BorderColor.f[3] = src->BorderColor.f[3];
dest->WrapS = src->WrapS;
dest->WrapT = src->WrapT;
dest->WrapR = src->WrapR;
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index 73db7d713ce..474b950def2 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -511,10 +511,7 @@ set_tex_parameterf(GLcontext *ctx,
case GL_TEXTURE_BORDER_COLOR:
flush(ctx, texObj);
- texObj->BorderColor[RCOMP] = params[0];
- texObj->BorderColor[GCOMP] = params[1];
- texObj->BorderColor[BCOMP] = params[2];
- texObj->BorderColor[ACOMP] = params[3];
+ COPY_4V(texObj->BorderColor.f, params);
return GL_TRUE;
default:
@@ -1008,10 +1005,10 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
*params = ENUM_TO_FLOAT(obj->WrapR);
break;
case GL_TEXTURE_BORDER_COLOR:
- params[0] = CLAMP(obj->BorderColor[0], 0.0F, 1.0F);
- params[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F);
- params[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F);
- params[3] = CLAMP(obj->BorderColor[3], 0.0F, 1.0F);
+ params[0] = CLAMP(obj->BorderColor.f[0], 0.0F, 1.0F);
+ params[1] = CLAMP(obj->BorderColor.f[1], 0.0F, 1.0F);
+ params[2] = CLAMP(obj->BorderColor.f[2], 0.0F, 1.0F);
+ params[3] = CLAMP(obj->BorderColor.f[3], 0.0F, 1.0F);
break;
case GL_TEXTURE_RESIDENT:
{
@@ -1166,10 +1163,10 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
case GL_TEXTURE_BORDER_COLOR:
{
GLfloat b[4];
- b[0] = CLAMP(obj->BorderColor[0], 0.0F, 1.0F);
- b[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F);
- b[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F);
- b[3] = CLAMP(obj->BorderColor[3], 0.0F, 1.0F);
+ b[0] = CLAMP(obj->BorderColor.f[0], 0.0F, 1.0F);
+ b[1] = CLAMP(obj->BorderColor.f[1], 0.0F, 1.0F);
+ b[2] = CLAMP(obj->BorderColor.f[2], 0.0F, 1.0F);
+ b[3] = CLAMP(obj->BorderColor.f[3], 0.0F, 1.0F);
params[0] = FLOAT_TO_INT(b[0]);
params[1] = FLOAT_TO_INT(b[1]);
params[2] = FLOAT_TO_INT(b[2]);