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Diffstat (limited to 'src/mesa/main/texparam.c')
-rw-r--r--src/mesa/main/texparam.c228
1 files changed, 170 insertions, 58 deletions
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index ab170cde35..d917e21e74 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -78,17 +78,19 @@ validate_texture_wrap_mode(GLcontext * ctx, GLenum target, GLenum wrap)
/**
* Get current texture object for given target.
- * Return NULL if any error.
+ * Return NULL if any error (and record the error).
* Note that this is different from _mesa_select_tex_object() in that proxy
* targets are not accepted.
+ * Only the glGetTexLevelParameter() functions accept proxy targets.
*/
static struct gl_texture_object *
-get_texobj(GLcontext *ctx, GLenum target)
+get_texobj(GLcontext *ctx, GLenum target, GLboolean get)
{
struct gl_texture_unit *texUnit;
if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameter(current unit)");
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "gl%sTexParameter(current unit)", get ? "Get" : "");
return NULL;
}
@@ -125,7 +127,8 @@ get_texobj(GLcontext *ctx, GLenum target)
;
}
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "gl%sTexParameter(target)", get ? "Get" : "");
return NULL;
}
@@ -508,10 +511,10 @@ 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];
+ texObj->BorderColor.f[RCOMP] = params[0];
+ texObj->BorderColor.f[GCOMP] = params[1];
+ texObj->BorderColor.f[BCOMP] = params[2];
+ texObj->BorderColor.f[ACOMP] = params[3];
return GL_TRUE;
default:
@@ -529,7 +532,7 @@ _mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- texObj = get_texobj(ctx, target);
+ texObj = get_texobj(ctx, target, GL_FALSE);
if (!texObj)
return;
@@ -547,13 +550,20 @@ _mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
case GL_DEPTH_TEXTURE_MODE_ARB:
{
/* convert float param to int */
- GLint p = (GLint) param;
- need_update = set_tex_parameteri(ctx, texObj, pname, &p);
+ GLint p[4];
+ p[0] = (GLint) param;
+ p[1] = p[2] = p[3] = 0;
+ need_update = set_tex_parameteri(ctx, texObj, pname, p);
}
break;
default:
- /* this will generate an error if pname is illegal */
- need_update = set_tex_parameterf(ctx, texObj, pname, &param);
+ {
+ /* this will generate an error if pname is illegal */
+ GLfloat p[4];
+ p[0] = param;
+ p[1] = p[2] = p[3] = 0.0F;
+ need_update = set_tex_parameterf(ctx, texObj, pname, p);
+ }
}
if (ctx->Driver.TexParameter && need_update) {
@@ -570,7 +580,7 @@ _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- texObj = get_texobj(ctx, target);
+ texObj = get_texobj(ctx, target, GL_FALSE);
if (!texObj)
return;
@@ -588,8 +598,10 @@ _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
case GL_DEPTH_TEXTURE_MODE_ARB:
{
/* convert float param to int */
- GLint p = (GLint) params[0];
- need_update = set_tex_parameteri(ctx, texObj, pname, &p);
+ GLint p[4];
+ p[0] = (GLint) params[0];
+ p[1] = p[2] = p[3] = 0;
+ need_update = set_tex_parameteri(ctx, texObj, pname, p);
}
break;
@@ -626,7 +638,7 @@ _mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- texObj = get_texobj(ctx, target);
+ texObj = get_texobj(ctx, target, GL_FALSE);
if (!texObj)
return;
@@ -638,14 +650,21 @@ _mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
case GL_TEXTURE_LOD_BIAS:
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
{
- GLfloat fparam = (GLfloat) param;
+ GLfloat fparam[4];
+ fparam[0] = (GLfloat) param;
+ fparam[1] = fparam[2] = fparam[3] = 0.0F;
/* convert int param to float */
- need_update = set_tex_parameterf(ctx, texObj, pname, &fparam);
+ need_update = set_tex_parameterf(ctx, texObj, pname, fparam);
}
break;
default:
/* this will generate an error if pname is illegal */
- need_update = set_tex_parameteri(ctx, texObj, pname, &param);
+ {
+ GLint iparam[4];
+ iparam[0] = param;
+ iparam[1] = iparam[2] = iparam[3] = 0;
+ need_update = set_tex_parameteri(ctx, texObj, pname, iparam);
+ }
}
if (ctx->Driver.TexParameter && need_update) {
@@ -663,7 +682,7 @@ _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- texObj = get_texobj(ctx, target);
+ texObj = get_texobj(ctx, target, GL_FALSE);
if (!texObj)
return;
@@ -687,8 +706,10 @@ _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
{
/* convert int param to float */
- GLfloat fparam = (GLfloat) params[0];
- need_update = set_tex_parameterf(ctx, texObj, pname, &fparam);
+ GLfloat fparams[4];
+ fparams[0] = (GLfloat) params[0];
+ fparams[1] = fparams[2] = fparams[3] = 0.0F;
+ need_update = set_tex_parameterf(ctx, texObj, pname, fparams);
}
break;
default:
@@ -710,6 +731,68 @@ _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
}
+/**
+ * Set tex parameter to integer value(s). Primarily intended to set
+ * integer-valued texture border color (for integer-valued textures).
+ * New in GL 3.0.
+ */
+void GLAPIENTRY
+_mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params)
+{
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target, GL_FALSE);
+ if (!texObj)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_BORDER_COLOR:
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ /* set the integer-valued border color */
+ COPY_4V(texObj->BorderColor.i, params);
+ break;
+ default:
+ _mesa_TexParameteriv(target, pname, params);
+ break;
+ }
+ /* XXX no driver hook for TexParameterIiv() yet */
+}
+
+
+/**
+ * Set tex parameter to unsigned integer value(s). Primarily intended to set
+ * uint-valued texture border color (for integer-valued textures).
+ * New in GL 3.0
+ */
+void GLAPIENTRY
+_mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params)
+{
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target, GL_FALSE);
+ if (!texObj)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_BORDER_COLOR:
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ /* set the unsigned integer-valued border color */
+ COPY_4V(texObj->BorderColor.ui, params);
+ break;
+ default:
+ _mesa_TexParameteriv(target, pname, (const GLint *) params);
+ break;
+ }
+ /* XXX no driver hook for TexParameterIuiv() yet */
+}
+
+
+
+
void GLAPIENTRY
_mesa_GetTexLevelParameterfv( GLenum target, GLint level,
GLenum pname, GLfloat *params )
@@ -960,25 +1043,14 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
void GLAPIENTRY
_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
{
- struct gl_texture_unit *texUnit;
struct gl_texture_object *obj;
GLboolean error = GL_FALSE;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetTexParameterfv(current unit)");
+ obj = get_texobj(ctx, target, GL_TRUE);
+ if (!obj)
return;
- }
-
- texUnit = _mesa_get_current_tex_unit(ctx);
-
- obj = _mesa_select_tex_object(ctx, texUnit, target);
- if (!obj) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)");
- return;
- }
_mesa_lock_texture(ctx, obj);
switch (pname) {
@@ -998,10 +1070,10 @@ _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:
{
@@ -1127,26 +1199,16 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
void GLAPIENTRY
_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
{
- struct gl_texture_unit *texUnit;
struct gl_texture_object *obj;
GLboolean error = GL_FALSE;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetTexParameteriv(current unit)");
- return;
- }
-
- texUnit = _mesa_get_current_tex_unit(ctx);
-
- obj = _mesa_select_tex_object(ctx, texUnit, target);
- if (!obj) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(target)");
- return;
- }
+ obj = get_texobj(ctx, target, GL_TRUE);
+ if (!obj)
+ return;
+ _mesa_lock_texture(ctx, obj);
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = (GLint) obj->MagFilter;
@@ -1166,10 +1228,10 @@ _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]);
@@ -1297,3 +1359,53 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
_mesa_unlock_texture(ctx, obj);
}
+
+
+/** New in GL 3.0 */
+void GLAPIENTRY
+_mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params)
+{
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target, GL_TRUE);
+
+ switch (pname) {
+ case GL_TEXTURE_BORDER_COLOR:
+ COPY_4V(params, texObj->BorderColor.i);
+ break;
+ default:
+ _mesa_GetTexParameteriv(target, pname, params);
+ }
+}
+
+
+/** New in GL 3.0 */
+void GLAPIENTRY
+_mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params)
+{
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target, GL_TRUE);
+
+ switch (pname) {
+ case GL_TEXTURE_BORDER_COLOR:
+ COPY_4V(params, texObj->BorderColor.i);
+ break;
+ default:
+ {
+ GLint ip[4];
+ _mesa_GetTexParameteriv(target, pname, ip);
+ params[0] = ip[0];
+ if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT ||
+ pname == GL_TEXTURE_CROP_RECT_OES) {
+ params[1] = ip[1];
+ params[2] = ip[2];
+ params[3] = ip[3];
+ }
+ }
+ }
+}
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