diff options
Diffstat (limited to 'src/mesa/main/texparam.c')
-rw-r--r-- | src/mesa/main/texparam.c | 188 |
1 files changed, 141 insertions, 47 deletions
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c index db4c7a5eda..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; @@ -577,7 +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; @@ -635,7 +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; @@ -679,7 +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; @@ -728,6 +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 ) @@ -978,25 +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)"); - 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)"); + obj = get_texobj(ctx, target, GL_TRUE); + if (!obj) return; - } _mesa_lock_texture(ctx, obj); switch (pname) { @@ -1016,10 +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: { @@ -1145,26 +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; @@ -1184,10 +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]); @@ -1315,3 +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]; + } + } + } +} |