/*
* Mesa 3-D graphics library
- * Version: 7.5
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
* 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
- * BRIAN PAUL 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.
+ * 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/colormac.h"
#include "main/context.h"
#include "main/enums.h"
#include "main/formats.h"
#include "main/glformats.h"
#include "main/macros.h"
-#include "main/mfeatures.h"
#include "main/mtypes.h"
#include "main/state.h"
#include "main/texcompress.h"
* Check if a coordinate wrap mode is supported for the texture target.
* \return GL_TRUE if legal, GL_FALSE otherwise
*/
-static GLboolean
+static GLboolean
validate_texture_wrap_mode(struct gl_context * ctx, GLenum target, GLenum wrap)
{
const struct gl_extensions * const e = & ctx->Extensions;
break;
case GL_MIRROR_CLAMP_EXT:
- case GL_MIRROR_CLAMP_TO_EDGE_EXT:
- supported = is_desktop_gl
+ supported = is_desktop_gl
&& (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)
- && (target != GL_TEXTURE_RECTANGLE_NV)
+ && (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_RECTANGLE_NV)
&& (target != GL_TEXTURE_EXTERNAL_OES);
break;
}
break;
case GL_TEXTURE_1D_ARRAY_EXT:
- if (_mesa_is_desktop_gl(ctx)
- && (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array)) {
+ if (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array) {
return texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX];
}
break;
case GL_TEXTURE_2D_ARRAY_EXT:
if ((_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx))
- && (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array)) {
+ && ctx->Extensions.EXT_texture_array) {
return texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX];
}
break;
return texUnit->CurrentTex[TEXTURE_CUBE_ARRAY_INDEX];
}
break;
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ if (ctx->Extensions.ARB_texture_multisample) {
+ return texUnit->CurrentTex[TEXTURE_2D_MULTISAMPLE_INDEX];
+ }
+ break;
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ if (ctx->Extensions.ARB_texture_multisample) {
+ return texUnit->CurrentTex[TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX];
+ }
+ break;
default:
;
}
incomplete(struct gl_context *ctx, struct gl_texture_object *texObj)
{
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- _mesa_dirty_texobj(ctx, texObj, GL_TRUE);
+ _mesa_dirty_texobj(ctx, texObj);
+}
+
+
+static GLboolean
+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;
+ }
}
{
switch (pname) {
case GL_TEXTURE_MIN_FILTER:
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (texObj->Sampler.MinFilter == params[0])
return GL_FALSE;
switch (params[0]) {
return GL_FALSE;
case GL_TEXTURE_MAG_FILTER:
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (texObj->Sampler.MagFilter == params[0])
return GL_FALSE;
switch (params[0]) {
return GL_FALSE;
case GL_TEXTURE_WRAP_S:
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (texObj->Sampler.WrapS == params[0])
return GL_FALSE;
if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
return GL_FALSE;
case GL_TEXTURE_WRAP_T:
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (texObj->Sampler.WrapT == params[0])
return GL_FALSE;
if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
return GL_FALSE;
case GL_TEXTURE_WRAP_R:
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (texObj->Sampler.WrapR == params[0])
return GL_FALSE;
if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
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 ||
(texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0)) {
_mesa_error(ctx, GL_INVALID_VALUE,
return GL_FALSE;
}
incomplete(ctx, texObj);
- texObj->BaseLevel = params[0];
+
+ /** 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) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glTexParameter(param=%d)", params[0]);
return GL_FALSE;
}
incomplete(ctx, texObj);
- texObj->MaxLevel = params[0];
+
+ /** 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:
case GL_TEXTURE_COMPARE_MODE_ARB:
if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_shadow)
|| _mesa_is_gles3(ctx)) {
+
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (texObj->Sampler.CompareMode == params[0])
return GL_FALSE;
if (params[0] == GL_NONE ||
case GL_TEXTURE_COMPARE_FUNC_ARB:
if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_shadow)
|| _mesa_is_gles3(ctx)) {
+
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (texObj->Sampler.CompareFunc == params[0])
return GL_FALSE;
switch (params[0]) {
case GL_LEQUAL:
case GL_GEQUAL:
- flush(ctx);
- texObj->Sampler.CompareFunc = params[0];
- return GL_TRUE;
case GL_EQUAL:
case GL_NOTEQUAL:
case GL_LESS:
case GL_GREATER:
case GL_ALWAYS:
case GL_NEVER:
- if (ctx->Extensions.EXT_shadow_funcs) {
- flush(ctx);
- texObj->Sampler.CompareFunc = params[0];
- return GL_TRUE;
- }
- /* fall-through */
+ flush(ctx);
+ texObj->Sampler.CompareFunc = params[0];
+ return GL_TRUE;
default:
goto invalid_param;
}
case GL_TEXTURE_SRGB_DECODE_EXT:
if (_mesa_is_desktop_gl(ctx)
&& ctx->Extensions.EXT_texture_sRGB_decode) {
- GLenum decode = params[0];
+ GLenum decode = params[0];
+
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (decode == GL_DECODE_EXT || decode == GL_SKIP_DECODE_EXT) {
if (texObj->Sampler.sRGBDecode != decode) {
flush(ctx);
if (_mesa_is_desktop_gl(ctx)
&& ctx->Extensions.AMD_seamless_cubemap_per_texture) {
GLenum param = params[0];
+
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (param != GL_TRUE && param != GL_FALSE) {
goto invalid_param;
}
_mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param=%s)",
_mesa_lookup_enum_by_nr(params[0]));
return GL_FALSE;
+
+invalid_operation:
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameter(pname=%s)",
+ _mesa_lookup_enum_by_nr(pname));
+ return GL_FALSE;
}
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_pname;
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (texObj->Sampler.MinLod == params[0])
return GL_FALSE;
flush(ctx);
if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
goto invalid_pname;
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (texObj->Sampler.MaxLod == params[0])
return GL_FALSE;
flush(ctx);
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (texObj->Sampler.MaxAnisotropy == params[0])
return GL_FALSE;
if (params[0] < 1.0) {
return GL_FALSE;
case GL_TEXTURE_LOD_BIAS:
- /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias.
- * It was removed in core-profile, and it has never existed in OpenGL
- * ES.
- */
- if (ctx->API != API_OPENGL_COMPAT)
+ /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias. */
+ if (_mesa_is_gles(ctx))
goto invalid_pname;
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
if (texObj->Sampler.LodBias != params[0]) {
flush(ctx);
texObj->Sampler.LodBias = params[0];
if (!_mesa_is_desktop_gl(ctx))
goto invalid_pname;
+ if (!target_allows_setting_sampler_parameters(texObj->Target))
+ goto invalid_operation;
+
flush(ctx);
/* ARB_texture_float disables clamping */
if (ctx->Extensions.ARB_texture_float) {
_mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=%s)",
_mesa_lookup_enum_by_nr(pname));
return GL_FALSE;
+
+invalid_operation:
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameter(pname=%s)",
+ _mesa_lookup_enum_by_nr(pname));
+ return GL_FALSE;
}
case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
case GL_TEXTURE_2D_ARRAY_EXT:
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
- return (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array);
+ return ctx->Extensions.EXT_texture_array;
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.
return ctx->API == API_OPENGL_CORE && ctx->Version >= 31;
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
return ctx->Extensions.ARB_texture_multisample;
default:
return GL_FALSE;
*params = _mesa_get_format_bits(texFormat, pname);
break;
case GL_TEXTURE_STENCIL_SIZE_EXT:
- if (!ctx->Extensions.EXT_packed_depth_stencil &&
- !ctx->Extensions.ARB_framebuffer_object)
- goto invalid_pname;
*params = _mesa_get_format_bits(texFormat, pname);
break;
case GL_TEXTURE_SHARED_SIZE:
if (ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP))
_mesa_update_state_locked(ctx);
- if (ctx->Color._ClampFragmentColor) {
+ if (_mesa_get_clamp_fragment_color(ctx)) {
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 = (GLfloat) obj->DepthMode;
break;
case GL_TEXTURE_LOD_BIAS:
- if (ctx->API != API_OPENGL_COMPAT)
+ if (_mesa_is_gles(ctx))
goto invalid_pname;
*params = obj->Sampler.LodBias;
break;
case GL_TEXTURE_IMMUTABLE_FORMAT:
- if (!ctx->Extensions.ARB_texture_storage)
- goto invalid_pname;
*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 = obj->RequiredTextureImageUnits;
+ *params = (GLfloat) obj->RequiredTextureImageUnits;
break;
case GL_TEXTURE_SRGB_DECODE_EXT:
*params = (GLint) obj->DepthMode;
break;
case GL_TEXTURE_LOD_BIAS:
- if (ctx->API != API_OPENGL_COMPAT)
+ if (_mesa_is_gles(ctx))
goto invalid_pname;
- *params = (GLint) obj->Sampler.LodBias;
+ /* 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)
break;
case GL_TEXTURE_IMMUTABLE_FORMAT:
- if (!ctx->Extensions.ARB_texture_storage)
- goto invalid_pname;
*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;
texObj = get_texobj(ctx, target, GL_TRUE);
if (!texObj)
return;
-
+
switch (pname) {
case GL_TEXTURE_BORDER_COLOR:
COPY_4V(params, texObj->Sampler.BorderColor.i);
texObj = get_texobj(ctx, target, GL_TRUE);
if (!texObj)
return;
-
+
switch (pname) {
case GL_TEXTURE_BORDER_COLOR:
COPY_4V(params, texObj->Sampler.BorderColor.i);
GLint ip[4];
_mesa_GetTexParameteriv(target, pname, ip);
params[0] = ip[0];
- if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT ||
+ if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT ||
pname == GL_TEXTURE_CROP_RECT_OES) {
params[1] = ip[1];
params[2] = ip[2];
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