1407 lines
41 KiB
C
1407 lines
41 KiB
C
/*
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* Mesa 3-D graphics library
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* Version: 7.5
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*
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* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
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* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file texparam.c
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*
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* glTexParameter-related functions
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*/
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#include "main/glheader.h"
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#include "main/colormac.h"
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#include "main/context.h"
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#include "main/formats.h"
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#include "main/macros.h"
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#include "main/texcompress.h"
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#include "main/texparam.h"
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#include "main/teximage.h"
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#include "main/texstate.h"
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#include "program/prog_instruction.h"
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/**
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* Check if a coordinate wrap mode is supported for the texture target.
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* \return GL_TRUE if legal, GL_FALSE otherwise
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*/
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static GLboolean
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validate_texture_wrap_mode(GLcontext * ctx, GLenum target, GLenum wrap)
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{
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const struct gl_extensions * const e = & ctx->Extensions;
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if (wrap == GL_CLAMP || wrap == GL_CLAMP_TO_EDGE ||
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(wrap == GL_CLAMP_TO_BORDER && e->ARB_texture_border_clamp)) {
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/* any texture target */
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return GL_TRUE;
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}
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else if (target != GL_TEXTURE_RECTANGLE_NV &&
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(wrap == GL_REPEAT ||
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(wrap == GL_MIRRORED_REPEAT &&
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e->ARB_texture_mirrored_repeat) ||
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(wrap == GL_MIRROR_CLAMP_EXT &&
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(e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) ||
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(wrap == GL_MIRROR_CLAMP_TO_EDGE_EXT &&
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(e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) ||
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(wrap == GL_MIRROR_CLAMP_TO_BORDER_EXT &&
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(e->EXT_texture_mirror_clamp)))) {
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/* non-rectangle texture */
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return GL_TRUE;
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}
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_mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", wrap );
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return GL_FALSE;
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}
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/**
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* Get current texture object for given target.
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* Return NULL if any error (and record the error).
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* Note that this is different from _mesa_select_tex_object() in that proxy
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* targets are not accepted.
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* Only the glGetTexLevelParameter() functions accept proxy targets.
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*/
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static struct gl_texture_object *
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get_texobj(GLcontext *ctx, GLenum target, GLboolean get)
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{
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struct gl_texture_unit *texUnit;
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if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
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_mesa_error(ctx, GL_INVALID_OPERATION,
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"gl%sTexParameter(current unit)", get ? "Get" : "");
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return NULL;
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}
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texUnit = _mesa_get_current_tex_unit(ctx);
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switch (target) {
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case GL_TEXTURE_1D:
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return texUnit->CurrentTex[TEXTURE_1D_INDEX];
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case GL_TEXTURE_2D:
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return texUnit->CurrentTex[TEXTURE_2D_INDEX];
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case GL_TEXTURE_3D:
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return texUnit->CurrentTex[TEXTURE_3D_INDEX];
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case GL_TEXTURE_CUBE_MAP:
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if (ctx->Extensions.ARB_texture_cube_map) {
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return texUnit->CurrentTex[TEXTURE_CUBE_INDEX];
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}
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break;
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case GL_TEXTURE_RECTANGLE_NV:
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if (ctx->Extensions.NV_texture_rectangle) {
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return texUnit->CurrentTex[TEXTURE_RECT_INDEX];
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}
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break;
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case GL_TEXTURE_1D_ARRAY_EXT:
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if (ctx->Extensions.MESA_texture_array) {
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return texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX];
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}
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break;
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case GL_TEXTURE_2D_ARRAY_EXT:
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if (ctx->Extensions.MESA_texture_array) {
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return texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX];
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}
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break;
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default:
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;
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}
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_mesa_error(ctx, GL_INVALID_ENUM,
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"gl%sTexParameter(target)", get ? "Get" : "");
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return NULL;
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}
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/**
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* Convert GL_RED/GREEN/BLUE/ALPHA/ZERO/ONE to SWIZZLE_X/Y/Z/W/ZERO/ONE.
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* \return -1 if error.
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*/
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static GLint
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comp_to_swizzle(GLenum comp)
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{
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switch (comp) {
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case GL_RED:
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return SWIZZLE_X;
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case GL_GREEN:
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return SWIZZLE_Y;
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case GL_BLUE:
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return SWIZZLE_Z;
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case GL_ALPHA:
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return SWIZZLE_W;
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case GL_ZERO:
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return SWIZZLE_ZERO;
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case GL_ONE:
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return SWIZZLE_ONE;
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default:
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return -1;
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}
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}
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static void
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set_swizzle_component(GLuint *swizzle, GLuint comp, GLuint swz)
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{
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ASSERT(comp < 4);
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ASSERT(swz <= SWIZZLE_NIL);
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{
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GLuint mask = 0x7 << (3 * comp);
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GLuint s = (*swizzle & ~mask) | (swz << (3 * comp));
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*swizzle = s;
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}
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}
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/**
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* This is called just prior to changing any texture object state.
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* Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE
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* state flag and then mark the texture object as 'incomplete' so that any
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* per-texture derived state gets recomputed.
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*/
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static INLINE void
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flush(GLcontext *ctx, struct gl_texture_object *texObj)
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{
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FLUSH_VERTICES(ctx, _NEW_TEXTURE);
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texObj->_Complete = GL_FALSE;
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}
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/**
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* Set an integer-valued texture parameter
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* \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
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*/
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static GLboolean
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set_tex_parameteri(GLcontext *ctx,
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struct gl_texture_object *texObj,
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GLenum pname, const GLint *params)
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{
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switch (pname) {
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case GL_TEXTURE_MIN_FILTER:
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if (texObj->MinFilter == params[0])
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return GL_FALSE;
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switch (params[0]) {
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case GL_NEAREST:
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case GL_LINEAR:
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flush(ctx, texObj);
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texObj->MinFilter = params[0];
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return GL_TRUE;
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case GL_NEAREST_MIPMAP_NEAREST:
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case GL_LINEAR_MIPMAP_NEAREST:
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case GL_NEAREST_MIPMAP_LINEAR:
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case GL_LINEAR_MIPMAP_LINEAR:
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if (texObj->Target != GL_TEXTURE_RECTANGLE_NV) {
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flush(ctx, texObj);
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texObj->MinFilter = params[0];
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return GL_TRUE;
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}
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/* fall-through */
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default:
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_mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)",
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params[0] );
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}
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return GL_FALSE;
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case GL_TEXTURE_MAG_FILTER:
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if (texObj->MagFilter == params[0])
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return GL_FALSE;
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switch (params[0]) {
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case GL_NEAREST:
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case GL_LINEAR:
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flush(ctx, texObj);
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texObj->MagFilter = params[0];
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return GL_TRUE;
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default:
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_mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)",
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params[0]);
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}
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return GL_FALSE;
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case GL_TEXTURE_WRAP_S:
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if (texObj->WrapS == params[0])
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return GL_FALSE;
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if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
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flush(ctx, texObj);
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texObj->WrapS = params[0];
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return GL_TRUE;
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}
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return GL_FALSE;
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case GL_TEXTURE_WRAP_T:
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if (texObj->WrapT == params[0])
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return GL_FALSE;
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if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
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flush(ctx, texObj);
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texObj->WrapT = params[0];
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return GL_TRUE;
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}
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return GL_FALSE;
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case GL_TEXTURE_WRAP_R:
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if (texObj->WrapR == params[0])
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return GL_FALSE;
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if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
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flush(ctx, texObj);
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texObj->WrapR = params[0];
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return GL_TRUE;
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}
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return GL_FALSE;
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case GL_TEXTURE_BASE_LEVEL:
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if (texObj->BaseLevel == params[0])
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return GL_FALSE;
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if (params[0] < 0 ||
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(texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0)) {
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_mesa_error(ctx, GL_INVALID_VALUE,
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"glTexParameter(param=%d)", params[0]);
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return GL_FALSE;
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}
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flush(ctx, texObj);
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texObj->BaseLevel = params[0];
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return GL_TRUE;
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case GL_TEXTURE_MAX_LEVEL:
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if (texObj->MaxLevel == params[0])
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return GL_FALSE;
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if (params[0] < 0 || texObj->Target == GL_TEXTURE_RECTANGLE_ARB) {
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_mesa_error(ctx, GL_INVALID_OPERATION,
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"glTexParameter(param=%d)", params[0]);
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return GL_FALSE;
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}
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flush(ctx, texObj);
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texObj->MaxLevel = params[0];
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return GL_TRUE;
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case GL_GENERATE_MIPMAP_SGIS:
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if (texObj->GenerateMipmap != params[0]) {
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flush(ctx, texObj);
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texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE;
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return GL_TRUE;
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}
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return GL_FALSE;
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case GL_TEXTURE_COMPARE_MODE_ARB:
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if (ctx->Extensions.ARB_shadow &&
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(params[0] == GL_NONE ||
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params[0] == GL_COMPARE_R_TO_TEXTURE_ARB)) {
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if (texObj->CompareMode != params[0]) {
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flush(ctx, texObj);
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texObj->CompareMode = params[0];
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return GL_TRUE;
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}
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return GL_FALSE;
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}
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else {
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_mesa_error(ctx, GL_INVALID_ENUM,
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"glTexParameter(GL_TEXTURE_COMPARE_MODE_ARB)");
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}
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return GL_FALSE;
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case GL_TEXTURE_COMPARE_FUNC_ARB:
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if (ctx->Extensions.ARB_shadow) {
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if (texObj->CompareFunc == params[0])
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return GL_FALSE;
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switch (params[0]) {
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case GL_LEQUAL:
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case GL_GEQUAL:
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flush(ctx, texObj);
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texObj->CompareFunc = params[0];
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return GL_TRUE;
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case GL_EQUAL:
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case GL_NOTEQUAL:
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case GL_LESS:
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case GL_GREATER:
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case GL_ALWAYS:
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case GL_NEVER:
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if (ctx->Extensions.EXT_shadow_funcs) {
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flush(ctx, texObj);
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texObj->CompareFunc = params[0];
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return GL_TRUE;
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}
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/* fall-through */
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default:
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_mesa_error(ctx, GL_INVALID_ENUM,
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"glTexParameter(GL_TEXTURE_COMPARE_FUNC_ARB)");
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}
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}
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else {
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_mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
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}
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return GL_FALSE;
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case GL_DEPTH_TEXTURE_MODE_ARB:
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if (ctx->Extensions.ARB_depth_texture &&
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(params[0] == GL_LUMINANCE ||
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params[0] == GL_INTENSITY ||
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params[0] == GL_ALPHA)) {
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if (texObj->DepthMode != params[0]) {
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flush(ctx, texObj);
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texObj->DepthMode = params[0];
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return GL_TRUE;
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}
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}
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else {
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_mesa_error(ctx, GL_INVALID_ENUM,
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"glTexParameter(GL_DEPTH_TEXTURE_MODE_ARB)");
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}
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return GL_FALSE;
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#if FEATURE_OES_draw_texture
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case GL_TEXTURE_CROP_RECT_OES:
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texObj->CropRect[0] = params[0];
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texObj->CropRect[1] = params[1];
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texObj->CropRect[2] = params[2];
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texObj->CropRect[3] = params[3];
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return GL_TRUE;
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#endif
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case GL_TEXTURE_SWIZZLE_R_EXT:
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case GL_TEXTURE_SWIZZLE_G_EXT:
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case GL_TEXTURE_SWIZZLE_B_EXT:
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case GL_TEXTURE_SWIZZLE_A_EXT:
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if (ctx->Extensions.EXT_texture_swizzle) {
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const GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
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const GLint swz = comp_to_swizzle(params[0]);
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if (swz < 0) {
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_mesa_error(ctx, GL_INVALID_OPERATION,
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"glTexParameter(swizzle 0x%x)", params[0]);
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return GL_FALSE;
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}
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ASSERT(comp < 4);
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if (swz >= 0) {
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flush(ctx, texObj);
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texObj->Swizzle[comp] = params[0];
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set_swizzle_component(&texObj->_Swizzle, comp, swz);
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return GL_TRUE;
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}
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}
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_mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
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return GL_FALSE;
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case GL_TEXTURE_SWIZZLE_RGBA_EXT:
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if (ctx->Extensions.EXT_texture_swizzle) {
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GLuint comp;
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flush(ctx, texObj);
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for (comp = 0; comp < 4; comp++) {
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const GLint swz = comp_to_swizzle(params[comp]);
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if (swz >= 0) {
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texObj->Swizzle[comp] = params[comp];
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set_swizzle_component(&texObj->_Swizzle, comp, swz);
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}
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else {
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_mesa_error(ctx, GL_INVALID_OPERATION,
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"glTexParameter(swizzle 0x%x)", params[comp]);
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return GL_FALSE;
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}
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}
|
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return GL_TRUE;
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}
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_mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
|
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return GL_FALSE;
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default:
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_mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
|
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}
|
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return GL_FALSE;
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}
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/**
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* Set a float-valued texture parameter
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* \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
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*/
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static GLboolean
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set_tex_parameterf(GLcontext *ctx,
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struct gl_texture_object *texObj,
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GLenum pname, const GLfloat *params)
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{
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switch (pname) {
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case GL_TEXTURE_MIN_LOD:
|
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if (texObj->MinLod == params[0])
|
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return GL_FALSE;
|
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flush(ctx, texObj);
|
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texObj->MinLod = params[0];
|
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return GL_TRUE;
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|
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case GL_TEXTURE_MAX_LOD:
|
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if (texObj->MaxLod == params[0])
|
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return GL_FALSE;
|
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flush(ctx, texObj);
|
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texObj->MaxLod = params[0];
|
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return GL_TRUE;
|
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|
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case GL_TEXTURE_PRIORITY:
|
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flush(ctx, texObj);
|
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texObj->Priority = CLAMP(params[0], 0.0F, 1.0F);
|
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return GL_TRUE;
|
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|
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case GL_TEXTURE_MAX_ANISOTROPY_EXT:
|
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if (ctx->Extensions.EXT_texture_filter_anisotropic) {
|
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if (texObj->MaxAnisotropy == params[0])
|
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return GL_FALSE;
|
|
if (params[0] < 1.0) {
|
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_mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
|
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return GL_FALSE;
|
|
}
|
|
flush(ctx, texObj);
|
|
/* clamp to max, that's what NVIDIA does */
|
|
texObj->MaxAnisotropy = MIN2(params[0],
|
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ctx->Const.MaxTextureMaxAnisotropy);
|
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return GL_TRUE;
|
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}
|
|
else {
|
|
static GLuint count = 0;
|
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if (count++ < 10)
|
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_mesa_error(ctx, GL_INVALID_ENUM,
|
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"glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)");
|
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}
|
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return GL_FALSE;
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|
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case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
|
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if (ctx->Extensions.ARB_shadow_ambient) {
|
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if (texObj->CompareFailValue != params[0]) {
|
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flush(ctx, texObj);
|
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texObj->CompareFailValue = CLAMP(params[0], 0.0F, 1.0F);
|
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return GL_TRUE;
|
|
}
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
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"glTexParameter(pname=GL_TEXTURE_COMPARE_FAIL_VALUE_ARB)");
|
|
}
|
|
return GL_FALSE;
|
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|
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case GL_TEXTURE_LOD_BIAS:
|
|
/* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias */
|
|
if (ctx->Extensions.EXT_texture_lod_bias) {
|
|
if (texObj->LodBias != params[0]) {
|
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flush(ctx, texObj);
|
|
texObj->LodBias = params[0];
|
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return GL_TRUE;
|
|
}
|
|
return GL_FALSE;
|
|
}
|
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break;
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|
|
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case GL_TEXTURE_BORDER_COLOR:
|
|
flush(ctx, texObj);
|
|
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:
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
|
|
}
|
|
return GL_FALSE;
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
|
|
{
|
|
GLboolean need_update;
|
|
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_MIN_FILTER:
|
|
case GL_TEXTURE_MAG_FILTER:
|
|
case GL_TEXTURE_WRAP_S:
|
|
case GL_TEXTURE_WRAP_T:
|
|
case GL_TEXTURE_WRAP_R:
|
|
case GL_TEXTURE_BASE_LEVEL:
|
|
case GL_TEXTURE_MAX_LEVEL:
|
|
case GL_GENERATE_MIPMAP_SGIS:
|
|
case GL_TEXTURE_COMPARE_MODE_ARB:
|
|
case GL_TEXTURE_COMPARE_FUNC_ARB:
|
|
case GL_DEPTH_TEXTURE_MODE_ARB:
|
|
{
|
|
/* convert float param to int */
|
|
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 */
|
|
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) {
|
|
ctx->Driver.TexParameter(ctx, target, texObj, pname, ¶m);
|
|
}
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
|
|
{
|
|
GLboolean need_update;
|
|
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_MIN_FILTER:
|
|
case GL_TEXTURE_MAG_FILTER:
|
|
case GL_TEXTURE_WRAP_S:
|
|
case GL_TEXTURE_WRAP_T:
|
|
case GL_TEXTURE_WRAP_R:
|
|
case GL_TEXTURE_BASE_LEVEL:
|
|
case GL_TEXTURE_MAX_LEVEL:
|
|
case GL_GENERATE_MIPMAP_SGIS:
|
|
case GL_TEXTURE_COMPARE_MODE_ARB:
|
|
case GL_TEXTURE_COMPARE_FUNC_ARB:
|
|
case GL_DEPTH_TEXTURE_MODE_ARB:
|
|
{
|
|
/* convert float param to int */
|
|
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;
|
|
|
|
#if FEATURE_OES_draw_texture
|
|
case GL_TEXTURE_CROP_RECT_OES:
|
|
{
|
|
/* convert float params to int */
|
|
GLint iparams[4];
|
|
iparams[0] = (GLint) params[0];
|
|
iparams[1] = (GLint) params[1];
|
|
iparams[2] = (GLint) params[2];
|
|
iparams[3] = (GLint) params[3];
|
|
need_update = set_tex_parameteri(ctx, texObj, pname, iparams);
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
/* this will generate an error if pname is illegal */
|
|
need_update = set_tex_parameterf(ctx, texObj, pname, params);
|
|
}
|
|
|
|
if (ctx->Driver.TexParameter && need_update) {
|
|
ctx->Driver.TexParameter(ctx, target, texObj, pname, params);
|
|
}
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
|
|
{
|
|
GLboolean need_update;
|
|
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_MIN_LOD:
|
|
case GL_TEXTURE_MAX_LOD:
|
|
case GL_TEXTURE_PRIORITY:
|
|
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
|
|
case GL_TEXTURE_LOD_BIAS:
|
|
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
|
|
{
|
|
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);
|
|
}
|
|
break;
|
|
default:
|
|
/* this will generate an error if pname is illegal */
|
|
{
|
|
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) {
|
|
GLfloat fparam = (GLfloat) param;
|
|
ctx->Driver.TexParameter(ctx, target, texObj, pname, &fparam);
|
|
}
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
|
|
{
|
|
GLboolean need_update;
|
|
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:
|
|
{
|
|
/* convert int params to float */
|
|
GLfloat fparams[4];
|
|
fparams[0] = INT_TO_FLOAT(params[0]);
|
|
fparams[1] = INT_TO_FLOAT(params[1]);
|
|
fparams[2] = INT_TO_FLOAT(params[2]);
|
|
fparams[3] = INT_TO_FLOAT(params[3]);
|
|
need_update = set_tex_parameterf(ctx, texObj, pname, fparams);
|
|
}
|
|
break;
|
|
case GL_TEXTURE_MIN_LOD:
|
|
case GL_TEXTURE_MAX_LOD:
|
|
case GL_TEXTURE_PRIORITY:
|
|
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
|
|
case GL_TEXTURE_LOD_BIAS:
|
|
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
|
|
{
|
|
/* convert int param to float */
|
|
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:
|
|
/* this will generate an error if pname is illegal */
|
|
need_update = set_tex_parameteri(ctx, texObj, pname, params);
|
|
}
|
|
|
|
if (ctx->Driver.TexParameter && need_update) {
|
|
GLfloat fparams[4];
|
|
fparams[0] = INT_TO_FLOAT(params[0]);
|
|
if (pname == GL_TEXTURE_BORDER_COLOR ||
|
|
pname == GL_TEXTURE_CROP_RECT_OES) {
|
|
fparams[1] = INT_TO_FLOAT(params[1]);
|
|
fparams[2] = INT_TO_FLOAT(params[2]);
|
|
fparams[3] = INT_TO_FLOAT(params[3]);
|
|
}
|
|
ctx->Driver.TexParameter(ctx, target, texObj, pname, fparams);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* 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 )
|
|
{
|
|
GLint iparam;
|
|
_mesa_GetTexLevelParameteriv( target, level, pname, &iparam );
|
|
*params = (GLfloat) iparam;
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
|
|
GLenum pname, GLint *params )
|
|
{
|
|
const struct gl_texture_unit *texUnit;
|
|
struct gl_texture_object *texObj;
|
|
const struct gl_texture_image *img = NULL;
|
|
GLboolean isProxy;
|
|
GLint maxLevels;
|
|
gl_format texFormat;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glGetTexLevelParameteriv(current unit)");
|
|
return;
|
|
}
|
|
|
|
texUnit = _mesa_get_current_tex_unit(ctx);
|
|
|
|
/* this will catch bad target values */
|
|
maxLevels = _mesa_max_texture_levels(ctx, target);
|
|
if (maxLevels == 0) {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetTexLevelParameter[if]v(target=0x%x)", target);
|
|
return;
|
|
}
|
|
|
|
if (level < 0 || level >= maxLevels) {
|
|
_mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
|
|
return;
|
|
}
|
|
|
|
texObj = _mesa_select_tex_object(ctx, texUnit, target);
|
|
_mesa_lock_texture(ctx, texObj);
|
|
|
|
img = _mesa_select_tex_image(ctx, texObj, target, level);
|
|
if (!img || !img->TexFormat) {
|
|
/* undefined texture image */
|
|
if (pname == GL_TEXTURE_COMPONENTS)
|
|
*params = 1;
|
|
else
|
|
*params = 0;
|
|
goto out;
|
|
}
|
|
|
|
texFormat = img->TexFormat;
|
|
|
|
isProxy = _mesa_is_proxy_texture(target);
|
|
|
|
switch (pname) {
|
|
case GL_TEXTURE_WIDTH:
|
|
*params = img->Width;
|
|
break;
|
|
case GL_TEXTURE_HEIGHT:
|
|
*params = img->Height;
|
|
break;
|
|
case GL_TEXTURE_DEPTH:
|
|
*params = img->Depth;
|
|
break;
|
|
case GL_TEXTURE_INTERNAL_FORMAT:
|
|
if (_mesa_is_format_compressed(img->TexFormat)) {
|
|
/* need to return the actual compressed format */
|
|
*params = _mesa_compressed_format_to_glenum(ctx, img->TexFormat);
|
|
}
|
|
else {
|
|
/* return the user's requested internal format */
|
|
*params = img->InternalFormat;
|
|
}
|
|
break;
|
|
case GL_TEXTURE_BORDER:
|
|
*params = img->Border;
|
|
break;
|
|
case GL_TEXTURE_RED_SIZE:
|
|
case GL_TEXTURE_GREEN_SIZE:
|
|
case GL_TEXTURE_BLUE_SIZE:
|
|
if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
|
|
*params = _mesa_get_format_bits(texFormat, pname);
|
|
else
|
|
*params = 0;
|
|
break;
|
|
case GL_TEXTURE_ALPHA_SIZE:
|
|
if (img->_BaseFormat == GL_ALPHA ||
|
|
img->_BaseFormat == GL_LUMINANCE_ALPHA ||
|
|
img->_BaseFormat == GL_RGBA)
|
|
*params = _mesa_get_format_bits(texFormat, pname);
|
|
else
|
|
*params = 0;
|
|
break;
|
|
case GL_TEXTURE_INTENSITY_SIZE:
|
|
if (img->_BaseFormat != GL_INTENSITY)
|
|
*params = 0;
|
|
else {
|
|
*params = _mesa_get_format_bits(texFormat, pname);
|
|
if (*params == 0) {
|
|
/* intensity probably stored as rgb texture */
|
|
*params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE),
|
|
_mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE));
|
|
}
|
|
}
|
|
break;
|
|
case GL_TEXTURE_LUMINANCE_SIZE:
|
|
if (img->_BaseFormat != GL_LUMINANCE &&
|
|
img->_BaseFormat != GL_LUMINANCE_ALPHA)
|
|
*params = 0;
|
|
else {
|
|
*params = _mesa_get_format_bits(texFormat, pname);
|
|
if (*params == 0) {
|
|
/* luminance probably stored as rgb texture */
|
|
*params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE),
|
|
_mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE));
|
|
}
|
|
}
|
|
break;
|
|
case GL_TEXTURE_INDEX_SIZE_EXT:
|
|
if (img->_BaseFormat == GL_COLOR_INDEX)
|
|
*params = _mesa_get_format_bits(texFormat, pname);
|
|
else
|
|
*params = 0;
|
|
break;
|
|
case GL_TEXTURE_DEPTH_SIZE_ARB:
|
|
if (ctx->Extensions.ARB_depth_texture)
|
|
*params = _mesa_get_format_bits(texFormat, pname);
|
|
else
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetTexLevelParameter[if]v(pname)");
|
|
break;
|
|
case GL_TEXTURE_STENCIL_SIZE_EXT:
|
|
if (ctx->Extensions.EXT_packed_depth_stencil ||
|
|
ctx->Extensions.ARB_framebuffer_object) {
|
|
*params = _mesa_get_format_bits(texFormat, pname);
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetTexLevelParameter[if]v(pname)");
|
|
}
|
|
break;
|
|
case GL_TEXTURE_SHARED_SIZE:
|
|
if (ctx->VersionMajor >= 3) {
|
|
/* XXX return number of exponent bits for shared exponent texture
|
|
* formats, like GL_RGB9_E5.
|
|
*/
|
|
*params = 0;
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetTexLevelParameter[if]v(pname)");
|
|
}
|
|
break;
|
|
|
|
/* GL_ARB_texture_compression */
|
|
case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
|
|
if (_mesa_is_format_compressed(img->TexFormat) && !isProxy) {
|
|
*params = _mesa_format_image_size(texFormat, img->Width,
|
|
img->Height, img->Depth);
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_OPERATION,
|
|
"glGetTexLevelParameter[if]v(pname)");
|
|
}
|
|
break;
|
|
case GL_TEXTURE_COMPRESSED:
|
|
*params = (GLint) _mesa_is_format_compressed(img->TexFormat);
|
|
break;
|
|
|
|
/* GL_ARB_texture_float */
|
|
case GL_TEXTURE_RED_TYPE_ARB:
|
|
if (ctx->Extensions.ARB_texture_float) {
|
|
*params = _mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE) ?
|
|
_mesa_get_format_datatype(texFormat) : GL_NONE;
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetTexLevelParameter[if]v(pname)");
|
|
}
|
|
break;
|
|
case GL_TEXTURE_GREEN_TYPE_ARB:
|
|
if (ctx->Extensions.ARB_texture_float) {
|
|
*params = _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE) ?
|
|
_mesa_get_format_datatype(texFormat) : GL_NONE;
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetTexLevelParameter[if]v(pname)");
|
|
}
|
|
break;
|
|
case GL_TEXTURE_BLUE_TYPE_ARB:
|
|
if (ctx->Extensions.ARB_texture_float) {
|
|
*params = _mesa_get_format_bits(texFormat, GL_TEXTURE_BLUE_SIZE) ?
|
|
_mesa_get_format_datatype(texFormat) : GL_NONE;
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetTexLevelParameter[if]v(pname)");
|
|
}
|
|
break;
|
|
case GL_TEXTURE_ALPHA_TYPE_ARB:
|
|
if (ctx->Extensions.ARB_texture_float) {
|
|
*params = _mesa_get_format_bits(texFormat, GL_TEXTURE_ALPHA_SIZE) ?
|
|
_mesa_get_format_datatype(texFormat) : GL_NONE;
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetTexLevelParameter[if]v(pname)");
|
|
}
|
|
break;
|
|
case GL_TEXTURE_LUMINANCE_TYPE_ARB:
|
|
if (ctx->Extensions.ARB_texture_float) {
|
|
*params = _mesa_get_format_bits(texFormat, GL_TEXTURE_LUMINANCE_SIZE) ?
|
|
_mesa_get_format_datatype(texFormat) : GL_NONE;
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetTexLevelParameter[if]v(pname)");
|
|
}
|
|
break;
|
|
case GL_TEXTURE_INTENSITY_TYPE_ARB:
|
|
if (ctx->Extensions.ARB_texture_float) {
|
|
*params = _mesa_get_format_bits(texFormat, GL_TEXTURE_INTENSITY_SIZE) ?
|
|
_mesa_get_format_datatype(texFormat) : GL_NONE;
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetTexLevelParameter[if]v(pname)");
|
|
}
|
|
break;
|
|
case GL_TEXTURE_DEPTH_TYPE_ARB:
|
|
if (ctx->Extensions.ARB_texture_float) {
|
|
*params = _mesa_get_format_bits(texFormat, GL_TEXTURE_DEPTH_SIZE) ?
|
|
_mesa_get_format_datatype(texFormat) : GL_NONE;
|
|
}
|
|
else {
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetTexLevelParameter[if]v(pname)");
|
|
}
|
|
break;
|
|
|
|
default:
|
|
_mesa_error(ctx, GL_INVALID_ENUM,
|
|
"glGetTexLevelParameter[if]v(pname)");
|
|
}
|
|
|
|
out:
|
|
_mesa_unlock_texture(ctx, texObj);
|
|
}
|
|
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
|
|
{
|
|
struct gl_texture_object *obj;
|
|
GLboolean error = GL_FALSE;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
obj = get_texobj(ctx, target, GL_TRUE);
|
|
if (!obj)
|
|
return;
|
|
|
|
_mesa_lock_texture(ctx, obj);
|
|
switch (pname) {
|
|
case GL_TEXTURE_MAG_FILTER:
|
|
*params = ENUM_TO_FLOAT(obj->MagFilter);
|
|
break;
|
|
case GL_TEXTURE_MIN_FILTER:
|
|
*params = ENUM_TO_FLOAT(obj->MinFilter);
|
|
break;
|
|
case GL_TEXTURE_WRAP_S:
|
|
*params = ENUM_TO_FLOAT(obj->WrapS);
|
|
break;
|
|
case GL_TEXTURE_WRAP_T:
|
|
*params = ENUM_TO_FLOAT(obj->WrapT);
|
|
break;
|
|
case GL_TEXTURE_WRAP_R:
|
|
*params = ENUM_TO_FLOAT(obj->WrapR);
|
|
break;
|
|
case GL_TEXTURE_BORDER_COLOR:
|
|
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:
|
|
{
|
|
GLboolean resident;
|
|
if (ctx->Driver.IsTextureResident)
|
|
resident = ctx->Driver.IsTextureResident(ctx, obj);
|
|
else
|
|
resident = GL_TRUE;
|
|
*params = ENUM_TO_FLOAT(resident);
|
|
}
|
|
break;
|
|
case GL_TEXTURE_PRIORITY:
|
|
*params = obj->Priority;
|
|
break;
|
|
case GL_TEXTURE_MIN_LOD:
|
|
*params = obj->MinLod;
|
|
break;
|
|
case GL_TEXTURE_MAX_LOD:
|
|
*params = obj->MaxLod;
|
|
break;
|
|
case GL_TEXTURE_BASE_LEVEL:
|
|
*params = (GLfloat) obj->BaseLevel;
|
|
break;
|
|
case GL_TEXTURE_MAX_LEVEL:
|
|
*params = (GLfloat) obj->MaxLevel;
|
|
break;
|
|
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
|
|
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
|
|
*params = obj->MaxAnisotropy;
|
|
}
|
|
else
|
|
error = GL_TRUE;
|
|
break;
|
|
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
|
|
if (ctx->Extensions.ARB_shadow_ambient) {
|
|
*params = obj->CompareFailValue;
|
|
}
|
|
else
|
|
error = GL_TRUE;
|
|
break;
|
|
case GL_GENERATE_MIPMAP_SGIS:
|
|
*params = (GLfloat) obj->GenerateMipmap;
|
|
break;
|
|
case GL_TEXTURE_COMPARE_MODE_ARB:
|
|
if (ctx->Extensions.ARB_shadow) {
|
|
*params = (GLfloat) obj->CompareMode;
|
|
}
|
|
else
|
|
error = GL_TRUE;
|
|
break;
|
|
case GL_TEXTURE_COMPARE_FUNC_ARB:
|
|
if (ctx->Extensions.ARB_shadow) {
|
|
*params = (GLfloat) obj->CompareFunc;
|
|
}
|
|
else
|
|
error = GL_TRUE;
|
|
break;
|
|
case GL_DEPTH_TEXTURE_MODE_ARB:
|
|
if (ctx->Extensions.ARB_depth_texture) {
|
|
*params = (GLfloat) obj->DepthMode;
|
|
}
|
|
else
|
|
error = GL_TRUE;
|
|
break;
|
|
case GL_TEXTURE_LOD_BIAS:
|
|
if (ctx->Extensions.EXT_texture_lod_bias) {
|
|
*params = obj->LodBias;
|
|
}
|
|
else
|
|
error = GL_TRUE;
|
|
break;
|
|
#if FEATURE_OES_draw_texture
|
|
case GL_TEXTURE_CROP_RECT_OES:
|
|
params[0] = obj->CropRect[0];
|
|
params[1] = obj->CropRect[1];
|
|
params[2] = obj->CropRect[2];
|
|
params[3] = obj->CropRect[3];
|
|
break;
|
|
#endif
|
|
|
|
case GL_TEXTURE_SWIZZLE_R_EXT:
|
|
case GL_TEXTURE_SWIZZLE_G_EXT:
|
|
case GL_TEXTURE_SWIZZLE_B_EXT:
|
|
case GL_TEXTURE_SWIZZLE_A_EXT:
|
|
if (ctx->Extensions.EXT_texture_swizzle) {
|
|
GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
|
|
*params = (GLfloat) obj->Swizzle[comp];
|
|
}
|
|
else {
|
|
error = GL_TRUE;
|
|
}
|
|
break;
|
|
|
|
case GL_TEXTURE_SWIZZLE_RGBA_EXT:
|
|
if (ctx->Extensions.EXT_texture_swizzle) {
|
|
GLuint comp;
|
|
for (comp = 0; comp < 4; comp++) {
|
|
params[comp] = (GLfloat) obj->Swizzle[comp];
|
|
}
|
|
}
|
|
else {
|
|
error = GL_TRUE;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
error = GL_TRUE;
|
|
break;
|
|
}
|
|
|
|
if (error)
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)",
|
|
pname);
|
|
|
|
_mesa_unlock_texture(ctx, obj);
|
|
}
|
|
|
|
|
|
void GLAPIENTRY
|
|
_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
|
|
{
|
|
struct gl_texture_object *obj;
|
|
GLboolean error = GL_FALSE;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
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;
|
|
break;;
|
|
case GL_TEXTURE_MIN_FILTER:
|
|
*params = (GLint) obj->MinFilter;
|
|
break;;
|
|
case GL_TEXTURE_WRAP_S:
|
|
*params = (GLint) obj->WrapS;
|
|
break;;
|
|
case GL_TEXTURE_WRAP_T:
|
|
*params = (GLint) obj->WrapT;
|
|
break;;
|
|
case GL_TEXTURE_WRAP_R:
|
|
*params = (GLint) obj->WrapR;
|
|
break;;
|
|
case GL_TEXTURE_BORDER_COLOR:
|
|
{
|
|
GLfloat b[4];
|
|
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]);
|
|
params[3] = FLOAT_TO_INT(b[3]);
|
|
}
|
|
break;;
|
|
case GL_TEXTURE_RESIDENT:
|
|
{
|
|
GLboolean resident;
|
|
if (ctx->Driver.IsTextureResident)
|
|
resident = ctx->Driver.IsTextureResident(ctx, obj);
|
|
else
|
|
resident = GL_TRUE;
|
|
*params = (GLint) resident;
|
|
}
|
|
break;;
|
|
case GL_TEXTURE_PRIORITY:
|
|
*params = FLOAT_TO_INT(obj->Priority);
|
|
break;;
|
|
case GL_TEXTURE_MIN_LOD:
|
|
*params = (GLint) obj->MinLod;
|
|
break;;
|
|
case GL_TEXTURE_MAX_LOD:
|
|
*params = (GLint) obj->MaxLod;
|
|
break;;
|
|
case GL_TEXTURE_BASE_LEVEL:
|
|
*params = obj->BaseLevel;
|
|
break;;
|
|
case GL_TEXTURE_MAX_LEVEL:
|
|
*params = obj->MaxLevel;
|
|
break;;
|
|
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
|
|
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
|
|
*params = (GLint) obj->MaxAnisotropy;
|
|
}
|
|
else {
|
|
error = GL_TRUE;
|
|
}
|
|
break;
|
|
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
|
|
if (ctx->Extensions.ARB_shadow_ambient) {
|
|
*params = (GLint) FLOAT_TO_INT(obj->CompareFailValue);
|
|
}
|
|
else {
|
|
error = GL_TRUE;
|
|
}
|
|
break;
|
|
case GL_GENERATE_MIPMAP_SGIS:
|
|
*params = (GLint) obj->GenerateMipmap;
|
|
break;
|
|
case GL_TEXTURE_COMPARE_MODE_ARB:
|
|
if (ctx->Extensions.ARB_shadow) {
|
|
*params = (GLint) obj->CompareMode;
|
|
}
|
|
else {
|
|
error = GL_TRUE;
|
|
}
|
|
break;
|
|
case GL_TEXTURE_COMPARE_FUNC_ARB:
|
|
if (ctx->Extensions.ARB_shadow) {
|
|
*params = (GLint) obj->CompareFunc;
|
|
}
|
|
else {
|
|
error = GL_TRUE;
|
|
}
|
|
break;
|
|
case GL_DEPTH_TEXTURE_MODE_ARB:
|
|
if (ctx->Extensions.ARB_depth_texture) {
|
|
*params = (GLint) obj->DepthMode;
|
|
}
|
|
else {
|
|
error = GL_TRUE;
|
|
}
|
|
break;
|
|
case GL_TEXTURE_LOD_BIAS:
|
|
if (ctx->Extensions.EXT_texture_lod_bias) {
|
|
*params = (GLint) obj->LodBias;
|
|
}
|
|
else {
|
|
error = GL_TRUE;
|
|
}
|
|
break;
|
|
#if FEATURE_OES_draw_texture
|
|
case GL_TEXTURE_CROP_RECT_OES:
|
|
params[0] = obj->CropRect[0];
|
|
params[1] = obj->CropRect[1];
|
|
params[2] = obj->CropRect[2];
|
|
params[3] = obj->CropRect[3];
|
|
break;
|
|
#endif
|
|
case GL_TEXTURE_SWIZZLE_R_EXT:
|
|
case GL_TEXTURE_SWIZZLE_G_EXT:
|
|
case GL_TEXTURE_SWIZZLE_B_EXT:
|
|
case GL_TEXTURE_SWIZZLE_A_EXT:
|
|
if (ctx->Extensions.EXT_texture_swizzle) {
|
|
GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
|
|
*params = obj->Swizzle[comp];
|
|
}
|
|
else {
|
|
error = GL_TRUE;
|
|
}
|
|
break;
|
|
|
|
case GL_TEXTURE_SWIZZLE_RGBA_EXT:
|
|
if (ctx->Extensions.EXT_texture_swizzle) {
|
|
COPY_4V(params, obj->Swizzle);
|
|
}
|
|
else {
|
|
error = GL_TRUE;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
; /* silence warnings */
|
|
}
|
|
|
|
if (error)
|
|
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)",
|
|
pname);
|
|
|
|
_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];
|
|
}
|
|
}
|
|
}
|
|
}
|