- if (eparam==GL_NEAREST || eparam==GL_LINEAR) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MagFilter = eparam;
- }
- else {
- _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
- return;
- }
- break;
- case GL_TEXTURE_WRAP_S:
- if (texObj->WrapS == eparam)
- return;
- if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->WrapS = eparam;
- }
- else {
- return;
- }
- break;
- case GL_TEXTURE_WRAP_T:
- if (texObj->WrapT == eparam)
- return;
- if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->WrapT = eparam;
- }
- else {
- return;
- }
- break;
- case GL_TEXTURE_WRAP_R:
- if (texObj->WrapR == eparam)
- return;
- if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->WrapR = eparam;
- }
- else {
- return;
- }
- break;
- case GL_TEXTURE_BORDER_COLOR:
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->BorderColor[RCOMP] = params[0];
- texObj->BorderColor[GCOMP] = params[1];
- texObj->BorderColor[BCOMP] = params[2];
- texObj->BorderColor[ACOMP] = params[3];
- UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[RCOMP], params[0]);
- UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[GCOMP], params[1]);
- UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[BCOMP], params[2]);
- UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[ACOMP], params[3]);
- break;
- case GL_TEXTURE_MIN_LOD:
- if (texObj->MinLod == params[0])
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MinLod = params[0];
- break;
- case GL_TEXTURE_MAX_LOD:
- if (texObj->MaxLod == params[0])
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MaxLod = params[0];
- break;
- case GL_TEXTURE_BASE_LEVEL:
- if (params[0] < 0.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)");
- return;
- }
- if (target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)");
- return;
- }
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->BaseLevel = (GLint) params[0];
- break;
- case GL_TEXTURE_MAX_LEVEL:
- if (params[0] < 0.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)");
- return;
- }
- if (target == GL_TEXTURE_RECTANGLE_ARB) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameter(param)");
- return;
- }
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MaxLevel = (GLint) params[0];
- break;
- case GL_TEXTURE_PRIORITY:
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->Priority = CLAMP( params[0], 0.0F, 1.0F );
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- if (ctx->Extensions.EXT_texture_filter_anisotropic) {
- if (params[0] < 1.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
- return;
- }
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- /* clamp to max, that's what NVIDIA does */
- texObj->MaxAnisotropy = MIN2(params[0],
- ctx->Const.MaxTextureMaxAnisotropy);
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)");
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->CompareFlag = params[0] ? GL_TRUE : GL_FALSE;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_COMPARE_SGIX)");
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- GLenum op = (GLenum) params[0];
- if (op == GL_TEXTURE_LEQUAL_R_SGIX ||
- op == GL_TEXTURE_GEQUAL_R_SGIX) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->CompareOperator = op;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param)");
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_COMPARE_OPERATOR_SGIX)");
- return;
- }
- break;
- case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
- if (ctx->Extensions.SGIX_shadow_ambient) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->ShadowAmbient = CLAMP(params[0], 0.0F, 1.0F);
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_SHADOW_AMBIENT_SGIX)");
- return;
- }
- break;
- case GL_GENERATE_MIPMAP_SGIS:
- if (ctx->Extensions.SGIS_generate_mipmap) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ case GL_TEXTURE_MAG_FILTER:
+ if (texObj->MagFilter == params[0])
+ return GL_FALSE;
+ switch (params[0]) {
+ case GL_NEAREST:
+ case GL_LINEAR:
+ flush(ctx, texObj);
+ texObj->MagFilter = params[0];
+ return GL_TRUE;
+ default:
+ _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param=0x%x)",
+ params[0]);
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_WRAP_S:
+ if (texObj->WrapS == params[0])
+ return GL_FALSE;
+ if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
+ flush(ctx, texObj);
+ texObj->WrapS = params[0];
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_WRAP_T:
+ if (texObj->WrapT == params[0])
+ return GL_FALSE;
+ if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
+ flush(ctx, texObj);
+ texObj->WrapT = params[0];
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_WRAP_R:
+ if (texObj->WrapR == params[0])
+ return GL_FALSE;
+ if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
+ flush(ctx, texObj);
+ texObj->WrapR = params[0];
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_BASE_LEVEL:
+ if (texObj->BaseLevel == params[0])
+ return GL_FALSE;
+ if (params[0] < 0 ||
+ (texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexParameter(param=%d)", params[0]);
+ return GL_FALSE;
+ }
+ flush(ctx, texObj);
+ texObj->BaseLevel = params[0];
+ return GL_TRUE;
+
+ case GL_TEXTURE_MAX_LEVEL:
+ if (texObj->MaxLevel == params[0])
+ return GL_FALSE;
+ if (params[0] < 0 || texObj->Target == GL_TEXTURE_RECTANGLE_ARB) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexParameter(param=%d)", params[0]);
+ return GL_FALSE;
+ }
+ flush(ctx, texObj);
+ texObj->MaxLevel = params[0];
+ return GL_TRUE;
+
+ case GL_GENERATE_MIPMAP_SGIS:
+ if (ctx->Extensions.SGIS_generate_mipmap) {
+ if (texObj->GenerateMipmap != params[0]) {
+ flush(ctx, texObj);