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2e3f40272e7d8905969e7dd319a463097787fb57
third_party_mesa3d/src/mesa/main/texparam.c
Ian Romanick 2e3f40272e mesa: GL_TEXTURE_BORDER_COLOR exists in OpenGL 1.0, so don't depend on GL_ARB_texture_border_clamp 
On NV20 (and probably also on earlier NV GPUs that lack
GL_ARB_texture_border_clamp) fixes the following piglit tests:

    gl-1.0-beginend-coverage gltexparameter[if]{v,}
    push-pop-texture-state
    texwrap 1d
    texwrap 1d proj
    texwrap 2d proj
    texwrap formats

All told, 49 more tests pass on NV20 (10de:0201).

No changes on Intel CI run or RV250 (1002:4c66).

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
2017-06-28 14:51:05 -07:00

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/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* \file texparam.c
*
* glTexParameter-related functions
*/
#include <stdbool.h>
#include "main/glheader.h"
#include "main/blend.h"
#include "main/context.h"
#include "main/enums.h"
#include "main/formats.h"
#include "main/glformats.h"
#include "main/macros.h"
#include "main/mtypes.h"
#include "main/state.h"
#include "main/texcompress.h"
#include "main/texobj.h"
#include "main/texparam.h"
#include "main/teximage.h"
#include "main/texstate.h"
#include "program/prog_instruction.h"
/**
* Check if a coordinate wrap mode is supported for the texture target.
* \return GL_TRUE if legal, GL_FALSE otherwise
*/
static GLboolean
validate_texture_wrap_mode(struct gl_context * ctx, GLenum target, GLenum wrap)
{
const struct gl_extensions * const e = & ctx->Extensions;
const bool is_desktop_gl = _mesa_is_desktop_gl(ctx);
bool supported;
switch (wrap) {
case GL_CLAMP:
/* GL_CLAMP was removed in the core profile, and it has never existed in
* OpenGL ES.
*/
supported = (ctx->API == API_OPENGL_COMPAT)
&& (target != GL_TEXTURE_EXTERNAL_OES);
break;
case GL_CLAMP_TO_EDGE:
supported = true;
break;
case GL_CLAMP_TO_BORDER:
supported = ctx->API != API_OPENGLES && e->ARB_texture_border_clamp
&& (target != GL_TEXTURE_EXTERNAL_OES);
break;
case GL_REPEAT:
case GL_MIRRORED_REPEAT:
supported = (target != GL_TEXTURE_RECTANGLE_NV)
&& (target != GL_TEXTURE_EXTERNAL_OES);
break;
case GL_MIRROR_CLAMP_EXT:
supported = is_desktop_gl
&& (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)
&& (target != GL_TEXTURE_RECTANGLE_NV)
&& (target != GL_TEXTURE_EXTERNAL_OES);
break;
case GL_MIRROR_CLAMP_TO_EDGE_EXT:
supported = is_desktop_gl
&& (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp || e->ARB_texture_mirror_clamp_to_edge)
&& (target != GL_TEXTURE_RECTANGLE_NV)
&& (target != GL_TEXTURE_EXTERNAL_OES);
break;
case GL_MIRROR_CLAMP_TO_BORDER_EXT:
supported = is_desktop_gl && e->EXT_texture_mirror_clamp
&& (target != GL_TEXTURE_RECTANGLE_NV)
&& (target != GL_TEXTURE_EXTERNAL_OES);
break;
default:
supported = false;
break;
}
if (!supported)
_mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", wrap );
return supported;
}
/**
* Get current texture object for given target.
* Return NULL if any error (and record the error).
* Note that this is different from _mesa_get_current_tex_object() in that
* proxy targets are not accepted.
* Only the glGetTexLevelParameter() functions accept proxy targets.
*/
static struct gl_texture_object *
get_texobj_by_target(struct gl_context *ctx, GLenum target, GLboolean get)
{
struct gl_texture_unit *texUnit;
int targetIndex;
if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"gl%sTexParameter(current unit)", get ? "Get" : "");
return NULL;
}
texUnit = _mesa_get_current_tex_unit(ctx);
targetIndex = _mesa_tex_target_to_index(ctx, target);
if (targetIndex < 0 || targetIndex == TEXTURE_BUFFER_INDEX) {
_mesa_error(ctx, GL_INVALID_ENUM,
"gl%sTexParameter(target)", get ? "Get" : "");
return NULL;
}
assert(targetIndex < NUM_TEXTURE_TARGETS);
return texUnit->CurrentTex[targetIndex];
}
/**
* Get current texture object for given name.
* Return NULL if any error (and record the error).
* Note that proxy targets are not accepted.
* Only the glGetTexLevelParameter() functions accept proxy targets.
*/
static struct gl_texture_object *
get_texobj_by_name(struct gl_context *ctx, GLuint texture, const char *name)
{
struct gl_texture_object *texObj;
texObj = _mesa_lookup_texture_err(ctx, texture, name);
if (!texObj)
return NULL;
switch (texObj->Target) {
case GL_TEXTURE_1D:
case GL_TEXTURE_1D_ARRAY:
case GL_TEXTURE_2D:
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
case GL_TEXTURE_3D:
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_CUBE_MAP_ARRAY:
case GL_TEXTURE_RECTANGLE:
return texObj;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", name);
return NULL;
}
}
/**
* Convert GL_RED/GREEN/BLUE/ALPHA/ZERO/ONE to SWIZZLE_X/Y/Z/W/ZERO/ONE.
* \return -1 if error.
*/
static GLint
comp_to_swizzle(GLenum comp)
{
switch (comp) {
case GL_RED:
return SWIZZLE_X;
case GL_GREEN:
return SWIZZLE_Y;
case GL_BLUE:
return SWIZZLE_Z;
case GL_ALPHA:
return SWIZZLE_W;
case GL_ZERO:
return SWIZZLE_ZERO;
case GL_ONE:
return SWIZZLE_ONE;
default:
return -1;
}
}
static void
set_swizzle_component(GLuint *swizzle, GLuint comp, GLuint swz)
{
assert(comp < 4);
assert(swz <= SWIZZLE_NIL);
{
GLuint mask = 0x7 << (3 * comp);
GLuint s = (*swizzle & ~mask) | (swz << (3 * comp));
*swizzle = s;
}
}
/**
* This is called just prior to changing any texture object state which
* will not affect texture completeness.
*/
static inline void
flush(struct gl_context *ctx)
{
FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
}
/**
* This is called just prior to changing any texture object state which
* could affect texture completeness (texture base level, max level).
* Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE_OBJECT
* state flag and then mark the texture object as 'incomplete' so that any
* per-texture derived state gets recomputed.
*/
static inline void
incomplete(struct gl_context *ctx, struct gl_texture_object *texObj)
{
FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
_mesa_dirty_texobj(ctx, texObj);
}
GLboolean
_mesa_target_allows_setting_sampler_parameters(GLenum target)
{
switch (target) {
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
return GL_FALSE;
default:
return GL_TRUE;
}
}
/**
* Set an integer-valued texture parameter
* \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
*/
static GLboolean
set_tex_parameteri(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum pname, const GLint *params, bool dsa)
{
const char *suffix = dsa ? "ture" : "";
if (texObj->HandleAllocated) {
/* The ARB_bindless_texture spec says:
*
* "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
* CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
* functions defined in terms of these, if the texture object to be
* modified is referenced by one or more texture or image handles."
*/
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTex%sParameter(immutable texture)", suffix);
return GL_FALSE;
}
switch (pname) {
case GL_TEXTURE_MIN_FILTER:
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (texObj->Sampler.MinFilter == params[0])
return GL_FALSE;
switch (params[0]) {
case GL_NEAREST:
case GL_LINEAR:
flush(ctx);
texObj->Sampler.MinFilter = params[0];
return GL_TRUE;
case GL_NEAREST_MIPMAP_NEAREST:
case GL_LINEAR_MIPMAP_NEAREST:
case GL_NEAREST_MIPMAP_LINEAR:
case GL_LINEAR_MIPMAP_LINEAR:
if (texObj->Target != GL_TEXTURE_RECTANGLE_NV &&
texObj->Target != GL_TEXTURE_EXTERNAL_OES) {
flush(ctx);
texObj->Sampler.MinFilter = params[0];
return GL_TRUE;
}
/* fall-through */
default:
goto invalid_param;
}
return GL_FALSE;
case GL_TEXTURE_MAG_FILTER:
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (texObj->Sampler.MagFilter == params[0])
return GL_FALSE;
switch (params[0]) {
case GL_NEAREST:
case GL_LINEAR:
flush(ctx); /* does not effect completeness */
texObj->Sampler.MagFilter = params[0];
return GL_TRUE;
default:
goto invalid_param;
}
return GL_FALSE;
case GL_TEXTURE_WRAP_S:
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (texObj->Sampler.WrapS == params[0])
return GL_FALSE;
if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
flush(ctx);
texObj->Sampler.WrapS = params[0];
return GL_TRUE;
}
return GL_FALSE;
case GL_TEXTURE_WRAP_T:
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (texObj->Sampler.WrapT == params[0])
return GL_FALSE;
if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
flush(ctx);
texObj->Sampler.WrapT = params[0];
return GL_TRUE;
}
return GL_FALSE;
case GL_TEXTURE_WRAP_R:
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (texObj->Sampler.WrapR == params[0])
return GL_FALSE;
if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
flush(ctx);
texObj->Sampler.WrapR = params[0];
return GL_TRUE;
}
return GL_FALSE;
case GL_TEXTURE_BASE_LEVEL:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_pname;
if (texObj->BaseLevel == params[0])
return GL_FALSE;
if ((texObj->Target == GL_TEXTURE_2D_MULTISAMPLE ||
texObj->Target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY) && params[0] != 0)
goto invalid_operation;
if (params[0] < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glTex%sParameter(param=%d)", suffix, params[0]);
return GL_FALSE;
}
if (texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTex%sParameter(target=%s, param=%d)", suffix,
_mesa_enum_to_string(texObj->Target), params[0]);
return GL_FALSE;
}
incomplete(ctx, texObj);
/** See note about ARB_texture_storage below */
if (texObj->Immutable)
texObj->BaseLevel = MIN2(texObj->ImmutableLevels - 1, params[0]);
else
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 && params[0] > 0)) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glTex%sParameter(param=%d)", suffix,
params[0]);
return GL_FALSE;
}
incomplete(ctx, texObj);
/** From ARB_texture_storage:
* However, if TEXTURE_IMMUTABLE_FORMAT is TRUE, then level_base is
* clamped to the range [0, <levels> - 1] and level_max is then clamped to
* the range [level_base, <levels> - 1], where <levels> is the parameter
* passed the call to TexStorage* for the texture object.
*/
if (texObj->Immutable)
texObj->MaxLevel = CLAMP(params[0], texObj->BaseLevel,
texObj->ImmutableLevels - 1);
else
texObj->MaxLevel = params[0];
return GL_TRUE;
case GL_GENERATE_MIPMAP_SGIS:
if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
goto invalid_pname;
if (params[0] && texObj->Target == GL_TEXTURE_EXTERNAL_OES)
goto invalid_param;
if (texObj->GenerateMipmap != params[0]) {
/* no flush() */
texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE;
return GL_TRUE;
}
return GL_FALSE;
case GL_TEXTURE_COMPARE_MODE_ARB:
if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_shadow)
|| _mesa_is_gles3(ctx)) {
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (texObj->Sampler.CompareMode == params[0])
return GL_FALSE;
if (params[0] == GL_NONE ||
params[0] == GL_COMPARE_R_TO_TEXTURE_ARB) {
flush(ctx);
texObj->Sampler.CompareMode = params[0];
return GL_TRUE;
}
goto invalid_param;
}
goto invalid_pname;
case GL_TEXTURE_COMPARE_FUNC_ARB:
if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_shadow)
|| _mesa_is_gles3(ctx)) {
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (texObj->Sampler.CompareFunc == params[0])
return GL_FALSE;
switch (params[0]) {
case GL_LEQUAL:
case GL_GEQUAL:
case GL_EQUAL:
case GL_NOTEQUAL:
case GL_LESS:
case GL_GREATER:
case GL_ALWAYS:
case GL_NEVER:
flush(ctx);
texObj->Sampler.CompareFunc = params[0];
return GL_TRUE;
default:
goto invalid_param;
}
}
goto invalid_pname;
case GL_DEPTH_TEXTURE_MODE_ARB:
/* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has never
* existed in OpenGL ES.
*/
if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_depth_texture) {
if (texObj->DepthMode == params[0])
return GL_FALSE;
if (params[0] == GL_LUMINANCE ||
params[0] == GL_INTENSITY ||
params[0] == GL_ALPHA ||
(ctx->Extensions.ARB_texture_rg && params[0] == GL_RED)) {
flush(ctx);
texObj->DepthMode = params[0];
return GL_TRUE;
}
goto invalid_param;
}
goto invalid_pname;
case GL_DEPTH_STENCIL_TEXTURE_MODE:
if (_mesa_has_ARB_stencil_texturing(ctx) || _mesa_is_gles31(ctx)) {
bool stencil = params[0] == GL_STENCIL_INDEX;
if (!stencil && params[0] != GL_DEPTH_COMPONENT)
goto invalid_param;
if (texObj->StencilSampling == stencil)
return GL_FALSE;
texObj->StencilSampling = stencil;
return GL_TRUE;
}
goto invalid_pname;
case GL_TEXTURE_CROP_RECT_OES:
if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
goto invalid_pname;
texObj->CropRect[0] = params[0];
texObj->CropRect[1] = params[1];
texObj->CropRect[2] = params[2];
texObj->CropRect[3] = params[3];
return GL_TRUE;
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 ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_swizzle)
|| _mesa_is_gles3(ctx)) {
const GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
const GLint swz = comp_to_swizzle(params[0]);
if (swz < 0) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTex%sParameter(swizzle 0x%x)", suffix, params[0]);
return GL_FALSE;
}
assert(comp < 4);
flush(ctx);
texObj->Swizzle[comp] = params[0];
set_swizzle_component(&texObj->_Swizzle, comp, swz);
return GL_TRUE;
}
goto invalid_pname;
case GL_TEXTURE_SWIZZLE_RGBA_EXT:
if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_swizzle)
|| _mesa_is_gles3(ctx)) {
GLuint comp;
flush(ctx);
for (comp = 0; comp < 4; comp++) {
const GLint swz = comp_to_swizzle(params[comp]);
if (swz >= 0) {
texObj->Swizzle[comp] = params[comp];
set_swizzle_component(&texObj->_Swizzle, comp, swz);
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTex%sParameter(swizzle 0x%x)",
suffix, params[comp]);
return GL_FALSE;
}
}
return GL_TRUE;
}
goto invalid_pname;
case GL_TEXTURE_SRGB_DECODE_EXT:
if (ctx->Extensions.EXT_texture_sRGB_decode) {
GLenum decode = params[0];
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (decode == GL_DECODE_EXT || decode == GL_SKIP_DECODE_EXT) {
if (texObj->Sampler.sRGBDecode != decode) {
flush(ctx);
texObj->Sampler.sRGBDecode = decode;
}
return GL_TRUE;
}
}
goto invalid_pname;
case GL_TEXTURE_CUBE_MAP_SEAMLESS:
if (_mesa_is_desktop_gl(ctx)
&& ctx->Extensions.AMD_seamless_cubemap_per_texture) {
GLenum param = params[0];
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (param != GL_TRUE && param != GL_FALSE) {
goto invalid_param;
}
if (param != texObj->Sampler.CubeMapSeamless) {
flush(ctx);
texObj->Sampler.CubeMapSeamless = param;
}
return GL_TRUE;
}
goto invalid_pname;
default:
goto invalid_pname;
}
invalid_pname:
_mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)",
suffix, _mesa_enum_to_string(pname));
return GL_FALSE;
invalid_param:
_mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(param=%s)",
suffix, _mesa_enum_to_string(params[0]));
return GL_FALSE;
invalid_operation:
_mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sParameter(pname=%s)",
suffix, _mesa_enum_to_string(pname));
return GL_FALSE;
invalid_enum:
_mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)",
suffix, _mesa_enum_to_string(pname));
return GL_FALSE;
}
/**
* Set a float-valued texture parameter
* \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
*/
static GLboolean
set_tex_parameterf(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum pname, const GLfloat *params, bool dsa)
{
const char *suffix = dsa ? "ture" : "";
if (texObj->HandleAllocated) {
/* The ARB_bindless_texture spec says:
*
* "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
* CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
* functions defined in terms of these, if the texture object to be
* modified is referenced by one or more texture or image handles."
*/
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTex%sParameter(immutable texture)", suffix);
return GL_FALSE;
}
switch (pname) {
case GL_TEXTURE_MIN_LOD:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_pname;
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (texObj->Sampler.MinLod == params[0])
return GL_FALSE;
flush(ctx);
texObj->Sampler.MinLod = params[0];
return GL_TRUE;
case GL_TEXTURE_MAX_LOD:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_pname;
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (texObj->Sampler.MaxLod == params[0])
return GL_FALSE;
flush(ctx);
texObj->Sampler.MaxLod = params[0];
return GL_TRUE;
case GL_TEXTURE_PRIORITY:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
flush(ctx);
texObj->Priority = CLAMP(params[0], 0.0F, 1.0F);
return GL_TRUE;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (texObj->Sampler.MaxAnisotropy == params[0])
return GL_FALSE;
if (params[0] < 1.0F) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTex%sParameter(param)",
suffix);
return GL_FALSE;
}
flush(ctx);
/* clamp to max, that's what NVIDIA does */
texObj->Sampler.MaxAnisotropy = MIN2(params[0],
ctx->Const.MaxTextureMaxAnisotropy);
return GL_TRUE;
}
else {
static GLuint count = 0;
if (count++ < 10)
goto invalid_pname;
}
return GL_FALSE;
case GL_TEXTURE_LOD_BIAS:
/* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias. */
if (_mesa_is_gles(ctx))
goto invalid_pname;
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
if (texObj->Sampler.LodBias != params[0]) {
flush(ctx);
texObj->Sampler.LodBias = params[0];
return GL_TRUE;
}
break;
case GL_TEXTURE_BORDER_COLOR:
/* Border color exists in desktop OpenGL since 1.0 for GL_CLAMP. In
* OpenGL ES 2.0+, it only exists in when GL_OES_texture_border_clamp is
* enabled. It is never available in OpenGL ES 1.x.
*
* FIXME: Every driver that supports GLES2 has this extension. Elide
* the check?
*/
if (ctx->API == API_OPENGLES ||
(ctx->API == API_OPENGLES2 &&
!ctx->Extensions.ARB_texture_border_clamp))
goto invalid_pname;
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))
goto invalid_enum;
flush(ctx);
/* ARB_texture_float disables clamping */
if (ctx->Extensions.ARB_texture_float) {
texObj->Sampler.BorderColor.f[RCOMP] = params[0];
texObj->Sampler.BorderColor.f[GCOMP] = params[1];
texObj->Sampler.BorderColor.f[BCOMP] = params[2];
texObj->Sampler.BorderColor.f[ACOMP] = params[3];
} else {
texObj->Sampler.BorderColor.f[RCOMP] = CLAMP(params[0], 0.0F, 1.0F);
texObj->Sampler.BorderColor.f[GCOMP] = CLAMP(params[1], 0.0F, 1.0F);
texObj->Sampler.BorderColor.f[BCOMP] = CLAMP(params[2], 0.0F, 1.0F);
texObj->Sampler.BorderColor.f[ACOMP] = CLAMP(params[3], 0.0F, 1.0F);
}
return GL_TRUE;
default:
goto invalid_pname;
}
return GL_FALSE;
invalid_pname:
_mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)",
suffix, _mesa_enum_to_string(pname));
return GL_FALSE;
invalid_enum:
_mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameter(pname=%s)",
suffix, _mesa_enum_to_string(pname));
return GL_FALSE;
}
void
_mesa_texture_parameterf(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum pname, GLfloat param, bool dsa)
{
GLboolean need_update;
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:
case GL_DEPTH_STENCIL_TEXTURE_MODE:
case GL_TEXTURE_SRGB_DECODE_EXT:
case GL_TEXTURE_CUBE_MAP_SEAMLESS:
case GL_TEXTURE_SWIZZLE_R_EXT:
case GL_TEXTURE_SWIZZLE_G_EXT:
case GL_TEXTURE_SWIZZLE_B_EXT:
case GL_TEXTURE_SWIZZLE_A_EXT:
{
GLint p[4];
p[0] = (param > 0) ?
((param > INT_MAX) ? INT_MAX : (GLint) (param + 0.5)) :
((param < INT_MIN) ? INT_MIN : (GLint) (param - 0.5));
p[1] = p[2] = p[3] = 0;
need_update = set_tex_parameteri(ctx, texObj, pname, p, dsa);
}
break;
case GL_TEXTURE_BORDER_COLOR:
case GL_TEXTURE_SWIZZLE_RGBA:
_mesa_error(ctx, GL_INVALID_ENUM, "glTex%sParameterf(non-scalar pname)",
dsa ? "ture" : "");
return;
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, dsa);
}
}
if (ctx->Driver.TexParameter && need_update) {
ctx->Driver.TexParameter(ctx, texObj, pname);
}
}
void
_mesa_texture_parameterfv(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum pname, const GLfloat *params, bool dsa)
{
GLboolean need_update;
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:
case GL_DEPTH_STENCIL_TEXTURE_MODE:
case GL_TEXTURE_SRGB_DECODE_EXT:
case GL_TEXTURE_CUBE_MAP_SEAMLESS:
{
/* 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, dsa);
}
break;
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, dsa);
}
break;
case GL_TEXTURE_SWIZZLE_R_EXT:
case GL_TEXTURE_SWIZZLE_G_EXT:
case GL_TEXTURE_SWIZZLE_B_EXT:
case GL_TEXTURE_SWIZZLE_A_EXT:
case GL_TEXTURE_SWIZZLE_RGBA_EXT:
{
GLint p[4] = {0, 0, 0, 0};
p[0] = (GLint) params[0];
if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT) {
p[1] = (GLint) params[1];
p[2] = (GLint) params[2];
p[3] = (GLint) params[3];
}
need_update = set_tex_parameteri(ctx, texObj, pname, p, dsa);
}
break;
default:
/* this will generate an error if pname is illegal */
need_update = set_tex_parameterf(ctx, texObj, pname, params, dsa);
}
if (ctx->Driver.TexParameter && need_update) {
ctx->Driver.TexParameter(ctx, texObj, pname);
}
}
void
_mesa_texture_parameteri(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum pname, GLint param, bool dsa)
{
GLboolean need_update;
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, dsa);
}
break;
case GL_TEXTURE_BORDER_COLOR:
case GL_TEXTURE_SWIZZLE_RGBA:
{
_mesa_error(ctx, GL_INVALID_ENUM,
"glTex%sParameteri(non-scalar pname)",
dsa ? "ture" : "");
return;
}
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, dsa);
}
}
if (ctx->Driver.TexParameter && need_update) {
ctx->Driver.TexParameter(ctx, texObj, pname);
}
}
void
_mesa_texture_parameteriv(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum pname, const GLint *params, bool dsa)
{
GLboolean need_update;
switch (pname) {
case GL_TEXTURE_BORDER_COLOR:
{
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glTextureParameteriv(texture)");
return;
}
/* 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, dsa);
}
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, dsa);
}
break;
default:
/* this will generate an error if pname is illegal */
need_update = set_tex_parameteri(ctx, texObj, pname, params, dsa);
}
if (ctx->Driver.TexParameter && need_update) {
ctx->Driver.TexParameter(ctx, texObj, pname);
}
}
void
_mesa_texture_parameterIiv(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum pname, const GLint *params, bool dsa)
{
switch (pname) {
case GL_TEXTURE_BORDER_COLOR:
if (texObj->HandleAllocated) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTextureParameterIiv(immutable texture)");
return;
}
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glTextureParameterIiv(texture)");
return;
}
FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
/* set the integer-valued border color */
COPY_4V(texObj->Sampler.BorderColor.i, params);
break;
default:
_mesa_texture_parameteriv(ctx, texObj, pname, params, dsa);
break;
}
/* XXX no driver hook for TexParameterIiv() yet */
}
void
_mesa_texture_parameterIuiv(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum pname, const GLuint *params, bool dsa)
{
switch (pname) {
case GL_TEXTURE_BORDER_COLOR:
if (texObj->HandleAllocated) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTextureParameterIuiv(immutable texture)");
return;
}
if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glTextureParameterIuiv(texture)");
return;
}
FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT);
/* set the unsigned integer-valued border color */
COPY_4V(texObj->Sampler.BorderColor.ui, params);
break;
default:
_mesa_texture_parameteriv(ctx, texObj, pname, (const GLint *) params,
dsa);
break;
}
/* XXX no driver hook for TexParameterIuiv() yet */
}
void GLAPIENTRY
_mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_target(ctx, target, GL_FALSE);
if (!texObj)
return;
_mesa_texture_parameterf(ctx, texObj, pname, param, false);
}
void GLAPIENTRY
_mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_target(ctx, target, GL_FALSE);
if (!texObj)
return;
_mesa_texture_parameterfv(ctx, texObj, pname, params, false);
}
void GLAPIENTRY
_mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_target(ctx, target, GL_FALSE);
if (!texObj)
return;
_mesa_texture_parameteri(ctx, texObj, pname, param, false);
}
void GLAPIENTRY
_mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_target(ctx, target, GL_FALSE);
if (!texObj)
return;
_mesa_texture_parameteriv(ctx, texObj, pname, params, false);
}
/**
* 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);
texObj = get_texobj_by_target(ctx, target, GL_FALSE);
if (!texObj)
return;
_mesa_texture_parameterIiv(ctx, texObj, pname, params, false);
}
/**
* 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);
texObj = get_texobj_by_target(ctx, target, GL_FALSE);
if (!texObj)
return;
_mesa_texture_parameterIuiv(ctx, texObj, pname, params, false);
}
void GLAPIENTRY
_mesa_TextureParameterfv(GLuint texture, GLenum pname, const GLfloat *params)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_name(ctx, texture, "glTextureParameterfv");
if (!texObj)
return;
_mesa_texture_parameterfv(ctx, texObj, pname, params, true);
}
void GLAPIENTRY
_mesa_TextureParameterf(GLuint texture, GLenum pname, GLfloat param)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_name(ctx, texture, "glTextureParameterf");
if (!texObj)
return;
_mesa_texture_parameterf(ctx, texObj, pname, param, true);
}
void GLAPIENTRY
_mesa_TextureParameteri(GLuint texture, GLenum pname, GLint param)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_name(ctx, texture, "glTextureParameteri");
if (!texObj)
return;
_mesa_texture_parameteri(ctx, texObj, pname, param, true);
}
void GLAPIENTRY
_mesa_TextureParameteriv(GLuint texture, GLenum pname,
const GLint *params)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_name(ctx, texture, "glTextureParameteriv");
if (!texObj)
return;
_mesa_texture_parameteriv(ctx, texObj, pname, params, true);
}
void GLAPIENTRY
_mesa_TextureParameterIiv(GLuint texture, GLenum pname, const GLint *params)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_name(ctx, texture, "glTextureParameterIiv");
if (!texObj)
return;
_mesa_texture_parameterIiv(ctx, texObj, pname, params, true);
}
void GLAPIENTRY
_mesa_TextureParameterIuiv(GLuint texture, GLenum pname, const GLuint *params)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_name(ctx, texture, "glTextureParameterIuiv");
if (!texObj)
return;
_mesa_texture_parameterIuiv(ctx, texObj, pname, params, true);
}
GLboolean
_mesa_legal_get_tex_level_parameter_target(struct gl_context *ctx, GLenum target,
bool dsa)
{
/* Common targets for desktop GL and GLES 3.1. */
switch (target) {
case GL_TEXTURE_2D:
case GL_TEXTURE_3D:
return GL_TRUE;
case GL_TEXTURE_2D_ARRAY_EXT:
return ctx->Extensions.EXT_texture_array;
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
return ctx->Extensions.ARB_texture_cube_map;
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
return ctx->Extensions.ARB_texture_multisample;
case GL_TEXTURE_BUFFER:
/* GetTexLevelParameter accepts GL_TEXTURE_BUFFER in GL 3.1+ contexts,
* but not in earlier versions that expose ARB_texture_buffer_object.
*
* From the ARB_texture_buffer_object spec:
* "(7) Do buffer textures support texture parameters (TexParameter) or
* queries (GetTexParameter, GetTexLevelParameter, GetTexImage)?
*
* RESOLVED: No. [...] Note that the spec edits above don't add
* explicit error language for any of these cases. That is because
* each of the functions enumerate the set of valid <target>
* parameters. Not editing the spec to allow TEXTURE_BUFFER_ARB in
* these cases means that target is not legal, and an INVALID_ENUM
* error should be generated."
*
* From the OpenGL 3.1 spec:
* "target may also be TEXTURE_BUFFER, indicating the texture buffer."
*/
return (ctx->API == API_OPENGL_CORE && ctx->Version >= 31) ||
_mesa_has_OES_texture_buffer(ctx);
case GL_TEXTURE_CUBE_MAP_ARRAY:
return _mesa_has_texture_cube_map_array(ctx);
}
if (!_mesa_is_desktop_gl(ctx))
return GL_FALSE;
/* Rest of the desktop GL targets. */
switch (target) {
case GL_TEXTURE_1D:
case GL_PROXY_TEXTURE_1D:
case GL_PROXY_TEXTURE_2D:
case GL_PROXY_TEXTURE_3D:
return GL_TRUE;
case GL_PROXY_TEXTURE_CUBE_MAP:
return ctx->Extensions.ARB_texture_cube_map;
case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
return ctx->Extensions.ARB_texture_cube_map_array;
case GL_TEXTURE_RECTANGLE_NV:
case GL_PROXY_TEXTURE_RECTANGLE_NV:
return ctx->Extensions.NV_texture_rectangle;
case GL_TEXTURE_1D_ARRAY_EXT:
case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
return ctx->Extensions.EXT_texture_array;
case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
return ctx->Extensions.ARB_texture_multisample;
/* This is a valid target for dsa, but the OpenGL 4.5 core spec
* (30.10.2014) Section 8.11 Texture Queries says:
* "For GetTextureLevelParameter* only, texture may also be a cube
* map texture object. In this case the query is always performed
* for face zero (the TEXTURE_CUBE_MAP_POSITIVE_X face), since there
* is no way to specify another face."
*/
case GL_TEXTURE_CUBE_MAP:
return dsa;
default:
return GL_FALSE;
}
}
static void
get_tex_level_parameter_image(struct gl_context *ctx,
const struct gl_texture_object *texObj,
GLenum target, GLint level,
GLenum pname, GLint *params,
bool dsa)
{
const struct gl_texture_image *img = NULL;
struct gl_texture_image dummy_image;
mesa_format texFormat;
const char *suffix = dsa ? "ture" : "";
img = _mesa_select_tex_image(texObj, target, level);
if (!img || img->TexFormat == MESA_FORMAT_NONE) {
/* In case of undefined texture image return the default values.
*
* From OpenGL 4.0 spec, page 398:
* "The initial internal format of a texel array is RGBA
* instead of 1. TEXTURE_COMPONENTS is deprecated; always
* use TEXTURE_INTERNAL_FORMAT."
*/
memset(&dummy_image, 0, sizeof(dummy_image));
dummy_image.TexFormat = MESA_FORMAT_NONE;
dummy_image.InternalFormat = GL_RGBA;
dummy_image._BaseFormat = GL_NONE;
dummy_image.FixedSampleLocations = GL_TRUE;
img = &dummy_image;
}
texFormat = img->TexFormat;
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(texFormat)) {
/* need to return the actual compressed format */
*params = _mesa_compressed_format_to_glenum(ctx, texFormat);
}
else {
/* If the true internal format is not compressed but the user
* requested a generic compressed format, we have to return the
* generic base format that matches.
*
* From page 119 (page 129 of the PDF) of the OpenGL 1.3 spec:
*
* "If no specific compressed format is available,
* internalformat is instead replaced by the corresponding base
* internal format."
*
* Otherwise just return the user's requested internal format
*/
const GLenum f =
_mesa_gl_compressed_format_base_format(img->InternalFormat);
*params = (f != 0) ? f : img->InternalFormat;
}
break;
case GL_TEXTURE_BORDER:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = img->Border;
break;
case GL_TEXTURE_RED_SIZE:
case GL_TEXTURE_GREEN_SIZE:
case GL_TEXTURE_BLUE_SIZE:
case GL_TEXTURE_ALPHA_SIZE:
if (_mesa_base_format_has_channel(img->_BaseFormat, pname))
*params = _mesa_get_format_bits(texFormat, pname);
else
*params = 0;
break;
case GL_TEXTURE_INTENSITY_SIZE:
case GL_TEXTURE_LUMINANCE_SIZE:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
if (_mesa_base_format_has_channel(img->_BaseFormat, pname)) {
*params = _mesa_get_format_bits(texFormat, pname);
if (*params == 0) {
/* intensity or luminance is probably stored as RGB[A] */
*params = MIN2(_mesa_get_format_bits(texFormat,
GL_TEXTURE_RED_SIZE),
_mesa_get_format_bits(texFormat,
GL_TEXTURE_GREEN_SIZE));
}
}
else {
*params = 0;
}
break;
case GL_TEXTURE_DEPTH_SIZE_ARB:
if (!ctx->Extensions.ARB_depth_texture)
goto invalid_pname;
*params = _mesa_get_format_bits(texFormat, pname);
break;
case GL_TEXTURE_STENCIL_SIZE:
*params = _mesa_get_format_bits(texFormat, pname);
break;
case GL_TEXTURE_SHARED_SIZE:
if (ctx->Version < 30 &&
!ctx->Extensions.EXT_texture_shared_exponent)
goto invalid_pname;
*params = texFormat == MESA_FORMAT_R9G9B9E5_FLOAT ? 5 : 0;
break;
/* GL_ARB_texture_compression */
case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
if (_mesa_is_format_compressed(texFormat) &&
!_mesa_is_proxy_texture(target)) {
*params = _mesa_format_image_size(texFormat, img->Width,
img->Height, img->Depth);
} else {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetTex%sLevelParameter[if]v(pname=%s)", suffix,
_mesa_enum_to_string(pname));
}
break;
case GL_TEXTURE_COMPRESSED:
*params = (GLint) _mesa_is_format_compressed(texFormat);
break;
/* GL_ARB_texture_float */
case GL_TEXTURE_LUMINANCE_TYPE_ARB:
case GL_TEXTURE_INTENSITY_TYPE_ARB:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
/* FALLTHROUGH */
case GL_TEXTURE_RED_TYPE_ARB:
case GL_TEXTURE_GREEN_TYPE_ARB:
case GL_TEXTURE_BLUE_TYPE_ARB:
case GL_TEXTURE_ALPHA_TYPE_ARB:
case GL_TEXTURE_DEPTH_TYPE_ARB:
if (!ctx->Extensions.ARB_texture_float)
goto invalid_pname;
if (_mesa_base_format_has_channel(img->_BaseFormat, pname))
*params = _mesa_get_format_datatype(texFormat);
else
*params = GL_NONE;
break;
/* GL_ARB_texture_multisample */
case GL_TEXTURE_SAMPLES:
if (!ctx->Extensions.ARB_texture_multisample)
goto invalid_pname;
*params = img->NumSamples;
break;
case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
if (!ctx->Extensions.ARB_texture_multisample)
goto invalid_pname;
*params = img->FixedSampleLocations;
break;
/* There is never a buffer data store here, but these pnames still have
* to work.
*/
/* GL_ARB_texture_buffer_object */
case GL_TEXTURE_BUFFER_DATA_STORE_BINDING:
if (!ctx->Extensions.ARB_texture_buffer_object)
goto invalid_pname;
*params = 0;
break;
/* GL_ARB_texture_buffer_range */
case GL_TEXTURE_BUFFER_OFFSET:
if (!ctx->Extensions.ARB_texture_buffer_range)
goto invalid_pname;
*params = 0;
break;
case GL_TEXTURE_BUFFER_SIZE:
if (!ctx->Extensions.ARB_texture_buffer_range)
goto invalid_pname;
*params = 0;
break;
default:
goto invalid_pname;
}
/* no error if we get here */
return;
invalid_pname:
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTex%sLevelParameter[if]v(pname=%s)", suffix,
_mesa_enum_to_string(pname));
}
/**
* Handle a glGetTexLevelParamteriv() call for a texture buffer.
*/
static void
get_tex_level_parameter_buffer(struct gl_context *ctx,
const struct gl_texture_object *texObj,
GLenum pname, GLint *params, bool dsa)
{
const struct gl_buffer_object *bo = texObj->BufferObject;
mesa_format texFormat = texObj->_BufferObjectFormat;
int bytes = MAX2(1, _mesa_get_format_bytes(texFormat));
GLenum internalFormat = texObj->BufferObjectFormat;
GLenum baseFormat = _mesa_get_format_base_format(texFormat);
const char *suffix = dsa ? "ture" : "";
assert(texObj->Target == GL_TEXTURE_BUFFER);
if (!bo) {
/* undefined texture buffer object */
switch (pname) {
case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
*params = GL_TRUE;
break;
case GL_TEXTURE_INTERNAL_FORMAT:
*params = internalFormat;
break;
default:
*params = 0;
break;
}
return;
}
switch (pname) {
case GL_TEXTURE_BUFFER_DATA_STORE_BINDING:
*params = bo->Name;
break;
case GL_TEXTURE_WIDTH:
*params = ((texObj->BufferSize == -1) ? bo->Size : texObj->BufferSize)
/ bytes;
break;
case GL_TEXTURE_HEIGHT:
case GL_TEXTURE_DEPTH:
*params = 1;
break;
case GL_TEXTURE_BORDER:
case GL_TEXTURE_SHARED_SIZE:
case GL_TEXTURE_COMPRESSED:
*params = 0;
break;
case GL_TEXTURE_INTERNAL_FORMAT:
*params = internalFormat;
break;
case GL_TEXTURE_RED_SIZE:
case GL_TEXTURE_GREEN_SIZE:
case GL_TEXTURE_BLUE_SIZE:
case GL_TEXTURE_ALPHA_SIZE:
if (_mesa_base_format_has_channel(baseFormat, pname))
*params = _mesa_get_format_bits(texFormat, pname);
else
*params = 0;
break;
case GL_TEXTURE_INTENSITY_SIZE:
case GL_TEXTURE_LUMINANCE_SIZE:
if (_mesa_base_format_has_channel(baseFormat, pname)) {
*params = _mesa_get_format_bits(texFormat, pname);
if (*params == 0) {
/* intensity or luminance is probably stored as RGB[A] */
*params = MIN2(_mesa_get_format_bits(texFormat,
GL_TEXTURE_RED_SIZE),
_mesa_get_format_bits(texFormat,
GL_TEXTURE_GREEN_SIZE));
}
} else {
*params = 0;
}
break;
case GL_TEXTURE_DEPTH_SIZE_ARB:
case GL_TEXTURE_STENCIL_SIZE_EXT:
*params = _mesa_get_format_bits(texFormat, pname);
break;
/* GL_ARB_texture_buffer_range */
case GL_TEXTURE_BUFFER_OFFSET:
if (!ctx->Extensions.ARB_texture_buffer_range)
goto invalid_pname;
*params = texObj->BufferOffset;
break;
case GL_TEXTURE_BUFFER_SIZE:
if (!ctx->Extensions.ARB_texture_buffer_range)
goto invalid_pname;
*params = (texObj->BufferSize == -1) ? bo->Size : texObj->BufferSize;
break;
/* GL_ARB_texture_multisample */
case GL_TEXTURE_SAMPLES:
if (!ctx->Extensions.ARB_texture_multisample)
goto invalid_pname;
*params = 0;
break;
case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
if (!ctx->Extensions.ARB_texture_multisample)
goto invalid_pname;
*params = GL_TRUE;
break;
/* GL_ARB_texture_compression */
case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
/* Always illegal for GL_TEXTURE_BUFFER */
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetTex%sLevelParameter[if]v(pname=%s)", suffix,
_mesa_enum_to_string(pname));
break;
/* GL_ARB_texture_float */
case GL_TEXTURE_RED_TYPE_ARB:
case GL_TEXTURE_GREEN_TYPE_ARB:
case GL_TEXTURE_BLUE_TYPE_ARB:
case GL_TEXTURE_ALPHA_TYPE_ARB:
case GL_TEXTURE_LUMINANCE_TYPE_ARB:
case GL_TEXTURE_INTENSITY_TYPE_ARB:
case GL_TEXTURE_DEPTH_TYPE_ARB:
if (!ctx->Extensions.ARB_texture_float)
goto invalid_pname;
if (_mesa_base_format_has_channel(baseFormat, pname))
*params = _mesa_get_format_datatype(texFormat);
else
*params = GL_NONE;
break;
default:
goto invalid_pname;
}
/* no error if we get here */
return;
invalid_pname:
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTex%sLevelParameter[if]v(pname=%s)", suffix,
_mesa_enum_to_string(pname));
}
static bool
valid_tex_level_parameteriv_target(struct gl_context *ctx, GLenum target,
bool dsa)
{
const char *suffix = dsa ? "ture" : "";
if (!_mesa_legal_get_tex_level_parameter_target(ctx, target, dsa)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTex%sLevelParameter[if]v(target=%s)", suffix,
_mesa_enum_to_string(target));
return false;
}
return true;
}
/**
* This isn't exposed to the rest of the driver because it is a part of the
* OpenGL API that is rarely used.
*/
static void
get_tex_level_parameteriv(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum target, GLint level,
GLenum pname, GLint *params,
bool dsa)
{
GLint maxLevels;
const char *suffix = dsa ? "ture" : "";
/* Check for errors */
if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetTex%sLevelParameter[if]v("
"current unit >= max combined texture units)", suffix);
return;
}
maxLevels = _mesa_max_texture_levels(ctx, target);
assert(maxLevels != 0);
if (level < 0 || level >= maxLevels) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetTex%sLevelParameter[if]v(level out of range)", suffix);
return;
}
/* Get the level parameter */
if (target == GL_TEXTURE_BUFFER) {
get_tex_level_parameter_buffer(ctx, texObj, pname, params, dsa);
}
else {
get_tex_level_parameter_image(ctx, texObj, target,
level, pname, params, dsa);
}
}
void GLAPIENTRY
_mesa_GetTexLevelParameterfv( GLenum target, GLint level,
GLenum pname, GLfloat *params )
{
struct gl_texture_object *texObj;
GLint iparam;
GET_CURRENT_CONTEXT(ctx);
if (!valid_tex_level_parameteriv_target(ctx, target, false))
return;
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj)
return;
get_tex_level_parameteriv(ctx, texObj, target, level,
pname, &iparam, false);
*params = (GLfloat) iparam;
}
void GLAPIENTRY
_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
GLenum pname, GLint *params )
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
if (!valid_tex_level_parameteriv_target(ctx, target, false))
return;
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj)
return;
get_tex_level_parameteriv(ctx, texObj, target, level,
pname, params, false);
}
void GLAPIENTRY
_mesa_GetTextureLevelParameterfv(GLuint texture, GLint level,
GLenum pname, GLfloat *params)
{
struct gl_texture_object *texObj;
GLint iparam;
GET_CURRENT_CONTEXT(ctx);
texObj = _mesa_lookup_texture_err(ctx, texture,
"glGetTextureLevelParameterfv");
if (!texObj)
return;
if (!valid_tex_level_parameteriv_target(ctx, texObj->Target, true))
return;
get_tex_level_parameteriv(ctx, texObj, texObj->Target, level,
pname, &iparam, true);
*params = (GLfloat) iparam;
}
void GLAPIENTRY
_mesa_GetTextureLevelParameteriv(GLuint texture, GLint level,
GLenum pname, GLint *params)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = _mesa_lookup_texture_err(ctx, texture,
"glGetTextureLevelParameteriv");
if (!texObj)
return;
if (!valid_tex_level_parameteriv_target(ctx, texObj->Target, true))
return;
get_tex_level_parameteriv(ctx, texObj, texObj->Target, level,
pname, params, true);
}
/**
* This isn't exposed to the rest of the driver because it is a part of the
* OpenGL API that is rarely used.
*/
static void
get_tex_parameterfv(struct gl_context *ctx,
struct gl_texture_object *obj,
GLenum pname, GLfloat *params, bool dsa)
{
_mesa_lock_context_textures(ctx);
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = ENUM_TO_FLOAT(obj->Sampler.MagFilter);
break;
case GL_TEXTURE_MIN_FILTER:
*params = ENUM_TO_FLOAT(obj->Sampler.MinFilter);
break;
case GL_TEXTURE_WRAP_S:
*params = ENUM_TO_FLOAT(obj->Sampler.WrapS);
break;
case GL_TEXTURE_WRAP_T:
*params = ENUM_TO_FLOAT(obj->Sampler.WrapT);
break;
case GL_TEXTURE_WRAP_R:
*params = ENUM_TO_FLOAT(obj->Sampler.WrapR);
break;
case GL_TEXTURE_BORDER_COLOR:
if (ctx->API == API_OPENGLES ||
!ctx->Extensions.ARB_texture_border_clamp)
goto invalid_pname;
if (ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP))
_mesa_update_state_locked(ctx);
if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer)) {
params[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F);
params[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F);
params[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F);
params[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F);
}
else {
params[0] = obj->Sampler.BorderColor.f[0];
params[1] = obj->Sampler.BorderColor.f[1];
params[2] = obj->Sampler.BorderColor.f[2];
params[3] = obj->Sampler.BorderColor.f[3];
}
break;
case GL_TEXTURE_RESIDENT:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = 1.0F;
break;
case GL_TEXTURE_PRIORITY:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = obj->Priority;
break;
case GL_TEXTURE_MIN_LOD:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_pname;
*params = obj->Sampler.MinLod;
break;
case GL_TEXTURE_MAX_LOD:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_pname;
*params = obj->Sampler.MaxLod;
break;
case GL_TEXTURE_BASE_LEVEL:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_pname;
*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)
goto invalid_pname;
*params = obj->Sampler.MaxAnisotropy;
break;
case GL_GENERATE_MIPMAP_SGIS:
if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
goto invalid_pname;
*params = (GLfloat) obj->GenerateMipmap;
break;
case GL_TEXTURE_COMPARE_MODE_ARB:
if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
&& !_mesa_is_gles3(ctx))
goto invalid_pname;
*params = (GLfloat) obj->Sampler.CompareMode;
break;
case GL_TEXTURE_COMPARE_FUNC_ARB:
if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
&& !_mesa_is_gles3(ctx))
goto invalid_pname;
*params = (GLfloat) obj->Sampler.CompareFunc;
break;
case GL_DEPTH_TEXTURE_MODE_ARB:
/* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has
* never existed in OpenGL ES.
*/
if (ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.ARB_depth_texture)
goto invalid_pname;
*params = (GLfloat) obj->DepthMode;
break;
case GL_DEPTH_STENCIL_TEXTURE_MODE:
if (!_mesa_has_ARB_stencil_texturing(ctx) && !_mesa_is_gles31(ctx))
goto invalid_pname;
*params = (GLfloat)
(obj->StencilSampling ? GL_STENCIL_INDEX : GL_DEPTH_COMPONENT);
break;
case GL_TEXTURE_LOD_BIAS:
if (_mesa_is_gles(ctx))
goto invalid_pname;
*params = obj->Sampler.LodBias;
break;
case GL_TEXTURE_CROP_RECT_OES:
if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
goto invalid_pname;
params[0] = (GLfloat) obj->CropRect[0];
params[1] = (GLfloat) obj->CropRect[1];
params[2] = (GLfloat) obj->CropRect[2];
params[3] = (GLfloat) obj->CropRect[3];
break;
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 ((!_mesa_is_desktop_gl(ctx)
|| !ctx->Extensions.EXT_texture_swizzle)
&& !_mesa_is_gles3(ctx))
goto invalid_pname;
*params = (GLfloat) obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT];
break;
case GL_TEXTURE_SWIZZLE_RGBA_EXT:
if ((!_mesa_is_desktop_gl(ctx)
|| !ctx->Extensions.EXT_texture_swizzle)
&& !_mesa_is_gles3(ctx)) {
goto invalid_pname;
}
else {
GLuint comp;
for (comp = 0; comp < 4; comp++) {
params[comp] = (GLfloat) obj->Swizzle[comp];
}
}
break;
case GL_TEXTURE_CUBE_MAP_SEAMLESS:
if (!_mesa_is_desktop_gl(ctx)
|| !ctx->Extensions.AMD_seamless_cubemap_per_texture)
goto invalid_pname;
*params = (GLfloat) obj->Sampler.CubeMapSeamless;
break;
case GL_TEXTURE_IMMUTABLE_FORMAT:
*params = (GLfloat) obj->Immutable;
break;
case GL_TEXTURE_IMMUTABLE_LEVELS:
if (_mesa_is_gles3(ctx) ||
(_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_view))
*params = (GLfloat) obj->ImmutableLevels;
else
goto invalid_pname;
break;
case GL_TEXTURE_VIEW_MIN_LEVEL:
if (!ctx->Extensions.ARB_texture_view)
goto invalid_pname;
*params = (GLfloat) obj->MinLevel;
break;
case GL_TEXTURE_VIEW_NUM_LEVELS:
if (!ctx->Extensions.ARB_texture_view)
goto invalid_pname;
*params = (GLfloat) obj->NumLevels;
break;
case GL_TEXTURE_VIEW_MIN_LAYER:
if (!ctx->Extensions.ARB_texture_view)
goto invalid_pname;
*params = (GLfloat) obj->MinLayer;
break;
case GL_TEXTURE_VIEW_NUM_LAYERS:
if (!ctx->Extensions.ARB_texture_view)
goto invalid_pname;
*params = (GLfloat) obj->NumLayers;
break;
case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
if (!_mesa_is_gles(ctx) || !ctx->Extensions.OES_EGL_image_external)
goto invalid_pname;
*params = (GLfloat) obj->RequiredTextureImageUnits;
break;
case GL_TEXTURE_SRGB_DECODE_EXT:
if (!ctx->Extensions.EXT_texture_sRGB_decode)
goto invalid_pname;
*params = (GLfloat) obj->Sampler.sRGBDecode;
break;
case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
if (!ctx->Extensions.ARB_shader_image_load_store)
goto invalid_pname;
*params = (GLfloat) obj->ImageFormatCompatibilityType;
break;
case GL_TEXTURE_TARGET:
if (ctx->API != API_OPENGL_CORE)
goto invalid_pname;
*params = ENUM_TO_FLOAT(obj->Target);
break;
default:
goto invalid_pname;
}
/* no error if we get here */
_mesa_unlock_context_textures(ctx);
return;
invalid_pname:
_mesa_unlock_context_textures(ctx);
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTex%sParameterfv(pname=0x%x)",
dsa ? "ture" : "", pname);
}
static void
get_tex_parameteriv(struct gl_context *ctx,
struct gl_texture_object *obj,
GLenum pname, GLint *params, bool dsa)
{
_mesa_lock_texture(ctx, obj);
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = (GLint) obj->Sampler.MagFilter;
break;
case GL_TEXTURE_MIN_FILTER:
*params = (GLint) obj->Sampler.MinFilter;
break;
case GL_TEXTURE_WRAP_S:
*params = (GLint) obj->Sampler.WrapS;
break;
case GL_TEXTURE_WRAP_T:
*params = (GLint) obj->Sampler.WrapT;
break;
case GL_TEXTURE_WRAP_R:
*params = (GLint) obj->Sampler.WrapR;
break;
case GL_TEXTURE_BORDER_COLOR:
if (ctx->API == API_OPENGLES ||
!ctx->Extensions.ARB_texture_border_clamp)
goto invalid_pname;
{
GLfloat b[4];
b[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F);
b[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F);
b[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F);
b[3] = CLAMP(obj->Sampler.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:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = 1;
break;
case GL_TEXTURE_PRIORITY:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = FLOAT_TO_INT(obj->Priority);
break;
case GL_TEXTURE_MIN_LOD:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_pname;
/* GL spec 'Data Conversions' section specifies that floating-point
* value in integer Get function is rounded to nearest integer
*/
*params = IROUND(obj->Sampler.MinLod);
break;
case GL_TEXTURE_MAX_LOD:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_pname;
/* GL spec 'Data Conversions' section specifies that floating-point
* value in integer Get function is rounded to nearest integer
*/
*params = IROUND(obj->Sampler.MaxLod);
break;
case GL_TEXTURE_BASE_LEVEL:
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_pname;
*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)
goto invalid_pname;
/* GL spec 'Data Conversions' section specifies that floating-point
* value in integer Get function is rounded to nearest integer
*/
*params = IROUND(obj->Sampler.MaxAnisotropy);
break;
case GL_GENERATE_MIPMAP_SGIS:
if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
goto invalid_pname;
*params = (GLint) obj->GenerateMipmap;
break;
case GL_TEXTURE_COMPARE_MODE_ARB:
if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
&& !_mesa_is_gles3(ctx))
goto invalid_pname;
*params = (GLint) obj->Sampler.CompareMode;
break;
case GL_TEXTURE_COMPARE_FUNC_ARB:
if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
&& !_mesa_is_gles3(ctx))
goto invalid_pname;
*params = (GLint) obj->Sampler.CompareFunc;
break;
case GL_DEPTH_TEXTURE_MODE_ARB:
if (ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.ARB_depth_texture)
goto invalid_pname;
*params = (GLint) obj->DepthMode;
break;
case GL_DEPTH_STENCIL_TEXTURE_MODE:
if (!_mesa_has_ARB_stencil_texturing(ctx) && !_mesa_is_gles31(ctx))
goto invalid_pname;
*params = (GLint)
(obj->StencilSampling ? GL_STENCIL_INDEX : GL_DEPTH_COMPONENT);
break;
case GL_TEXTURE_LOD_BIAS:
if (_mesa_is_gles(ctx))
goto invalid_pname;
/* GL spec 'Data Conversions' section specifies that floating-point
* value in integer Get function is rounded to nearest integer
*/
*params = IROUND(obj->Sampler.LodBias);
break;
case GL_TEXTURE_CROP_RECT_OES:
if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
goto invalid_pname;
params[0] = obj->CropRect[0];
params[1] = obj->CropRect[1];
params[2] = obj->CropRect[2];
params[3] = obj->CropRect[3];
break;
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 ((!_mesa_is_desktop_gl(ctx)
|| !ctx->Extensions.EXT_texture_swizzle)
&& !_mesa_is_gles3(ctx))
goto invalid_pname;
*params = obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT];
break;
case GL_TEXTURE_SWIZZLE_RGBA_EXT:
if ((!_mesa_is_desktop_gl(ctx)
|| !ctx->Extensions.EXT_texture_swizzle)
&& !_mesa_is_gles3(ctx))
goto invalid_pname;
COPY_4V(params, obj->Swizzle);
break;
case GL_TEXTURE_CUBE_MAP_SEAMLESS:
if (!_mesa_is_desktop_gl(ctx)
|| !ctx->Extensions.AMD_seamless_cubemap_per_texture)
goto invalid_pname;
*params = (GLint) obj->Sampler.CubeMapSeamless;
break;
case GL_TEXTURE_IMMUTABLE_FORMAT:
*params = (GLint) obj->Immutable;
break;
case GL_TEXTURE_IMMUTABLE_LEVELS:
if (_mesa_is_gles3(ctx) ||
(_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_view))
*params = obj->ImmutableLevels;
else
goto invalid_pname;
break;
case GL_TEXTURE_VIEW_MIN_LEVEL:
if (!ctx->Extensions.ARB_texture_view)
goto invalid_pname;
*params = (GLint) obj->MinLevel;
break;
case GL_TEXTURE_VIEW_NUM_LEVELS:
if (!ctx->Extensions.ARB_texture_view)
goto invalid_pname;
*params = (GLint) obj->NumLevels;
break;
case GL_TEXTURE_VIEW_MIN_LAYER:
if (!ctx->Extensions.ARB_texture_view)
goto invalid_pname;
*params = (GLint) obj->MinLayer;
break;
case GL_TEXTURE_VIEW_NUM_LAYERS:
if (!ctx->Extensions.ARB_texture_view)
goto invalid_pname;
*params = (GLint) obj->NumLayers;
break;
case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
if (!_mesa_is_gles(ctx) || !ctx->Extensions.OES_EGL_image_external)
goto invalid_pname;
*params = obj->RequiredTextureImageUnits;
break;
case GL_TEXTURE_SRGB_DECODE_EXT:
if (!ctx->Extensions.EXT_texture_sRGB_decode)
goto invalid_pname;
*params = obj->Sampler.sRGBDecode;
break;
case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
if (!ctx->Extensions.ARB_shader_image_load_store)
goto invalid_pname;
*params = obj->ImageFormatCompatibilityType;
break;
case GL_TEXTURE_TARGET:
if (ctx->API != API_OPENGL_CORE)
goto invalid_pname;
*params = (GLint) obj->Target;
break;
default:
goto invalid_pname;
}
/* no error if we get here */
_mesa_unlock_texture(ctx, obj);
return;
invalid_pname:
_mesa_unlock_texture(ctx, obj);
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTex%sParameteriv(pname=0x%x)",
dsa ? "ture" : "", pname);
}
static void
get_tex_parameterIiv(struct gl_context *ctx,
struct gl_texture_object *obj,
GLenum pname, GLint *params, bool dsa)
{
switch (pname) {
case GL_TEXTURE_BORDER_COLOR:
COPY_4V(params, obj->Sampler.BorderColor.i);
break;
default:
get_tex_parameteriv(ctx, obj, pname, params, dsa);
}
}
static void
get_tex_parameterIuiv(struct gl_context *ctx,
struct gl_texture_object *obj,
GLenum pname, GLuint *params, bool dsa)
{
switch (pname) {
case GL_TEXTURE_BORDER_COLOR:
COPY_4V(params, obj->Sampler.BorderColor.i);
break;
default:
{
GLint ip[4];
get_tex_parameteriv(ctx, obj, pname, ip, dsa);
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];
}
}
}
}
void GLAPIENTRY
_mesa_GetTexParameterfv(GLenum target, GLenum pname, GLfloat *params)
{
struct gl_texture_object *obj;
GET_CURRENT_CONTEXT(ctx);
obj = get_texobj_by_target(ctx, target, GL_TRUE);
if (!obj)
return;
get_tex_parameterfv(ctx, obj, pname, params, false);
}
void GLAPIENTRY
_mesa_GetTexParameteriv(GLenum target, GLenum pname, GLint *params)
{
struct gl_texture_object *obj;
GET_CURRENT_CONTEXT(ctx);
obj = get_texobj_by_target(ctx, target, GL_TRUE);
if (!obj)
return;
get_tex_parameteriv(ctx, obj, pname, params, false);
}
/** New in GL 3.0 */
void GLAPIENTRY
_mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_target(ctx, target, GL_TRUE);
if (!texObj)
return;
get_tex_parameterIiv(ctx, texObj, pname, params, false);
}
/** New in GL 3.0 */
void GLAPIENTRY
_mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_target(ctx, target, GL_TRUE);
if (!texObj)
return;
get_tex_parameterIuiv(ctx, texObj, pname, params, false);
}
void GLAPIENTRY
_mesa_GetTextureParameterfv(GLuint texture, GLenum pname, GLfloat *params)
{
struct gl_texture_object *obj;
GET_CURRENT_CONTEXT(ctx);
obj = get_texobj_by_name(ctx, texture, "glGetTextureParameterfv");
if (!obj)
return;
get_tex_parameterfv(ctx, obj, pname, params, true);
}
void GLAPIENTRY
_mesa_GetTextureParameteriv(GLuint texture, GLenum pname, GLint *params)
{
struct gl_texture_object *obj;
GET_CURRENT_CONTEXT(ctx);
obj = get_texobj_by_name(ctx, texture, "glGetTextureParameteriv");
if (!obj)
return;
get_tex_parameteriv(ctx, obj, pname, params, true);
}
void GLAPIENTRY
_mesa_GetTextureParameterIiv(GLuint texture, GLenum pname, GLint *params)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_name(ctx, texture, "glGetTextureParameterIiv");
if (!texObj)
return;
get_tex_parameterIiv(ctx, texObj, pname, params, true);
}
void GLAPIENTRY
_mesa_GetTextureParameterIuiv(GLuint texture, GLenum pname, GLuint *params)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
texObj = get_texobj_by_name(ctx, texture, "glGetTextureParameterIuiv");
if (!texObj)
return;
get_tex_parameterIuiv(ctx, texObj, pname, params, true);
}
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