/* * 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 #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]; } static bool is_texparameteri_target_valid(GLenum target) { switch (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 true; default: return false; } } /** * 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; if (!is_texparameteri_target_valid(texObj->Target)) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(target)", name); return NULL; } return texObj; } /** * 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(GLushort *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; /* Section 8.10 (Texture Parameters) of the OpenGL 4.5 Core Profile spec * says: * * An INVALID_OPERATION error is generated if the effective target is * TEXTURE_2D_MULTISAMPLE, TEXTURE_2D_MULTISAMPLE_ARRAY, or * TEXTURE_RECTANGLE, and pname TEXTURE_BASE_LEVEL is set to a value * other than zero. * * Note that section 3.8.8 (Texture Parameters) of the OpenGL 3.3 Core * Profile spec said: * * The error INVALID_VALUE is generated if TEXTURE_BASE_LEVEL is set * to any value other than zero. * * We take the 4.5 language as a correction to 3.3, and we implement * that on all GL versions. */ if ((texObj->Target == GL_TEXTURE_2D_MULTISAMPLE || texObj->Target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY || texObj->Target == GL_TEXTURE_RECTANGLE) && 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; } 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, - 1] and level_max is then clamped to * the range [level_base, - 1], where 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; case GL_TEXTURE_TILING_EXT: if (ctx->Extensions.EXT_memory_object) { texObj->TextureTiling = params[0]; 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; case GL_TEXTURE_TILING_EXT: if (ctx->Extensions.EXT_memory_object) { texObj->TextureTiling = params[0]; return GL_TRUE; } goto invalid_pname; 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: { /* 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 * 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 (_mesa_is_desktop_gl(ctx) && 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)); } if (*params == 0 && pname == GL_TEXTURE_INTENSITY_SIZE) { /* Gallium may store intensity as LA */ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_ALPHA_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_has_texture_view(ctx)) *params = (GLfloat) obj->ImmutableLevels; else goto invalid_pname; break; case GL_TEXTURE_VIEW_MIN_LEVEL: if (!_mesa_has_texture_view(ctx)) goto invalid_pname; *params = (GLfloat) obj->MinLevel; break; case GL_TEXTURE_VIEW_NUM_LEVELS: if (!_mesa_has_texture_view(ctx)) goto invalid_pname; *params = (GLfloat) obj->NumLevels; break; case GL_TEXTURE_VIEW_MIN_LAYER: if (!_mesa_has_texture_view(ctx)) goto invalid_pname; *params = (GLfloat) obj->MinLayer; break; case GL_TEXTURE_VIEW_NUM_LAYERS: if (!_mesa_has_texture_view(ctx)) 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; case GL_TEXTURE_TILING_EXT: if (!ctx->Extensions.EXT_memory_object) goto invalid_pname; *params = ENUM_TO_FLOAT(obj->TextureTiling); 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; case GL_TEXTURE_TILING_EXT: if (!ctx->Extensions.EXT_memory_object) goto invalid_pname; *params = (GLint) obj->TextureTiling; 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); } } 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_parameterIiv(ctx, texObj, pname, (GLint *) 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_parameterIiv(ctx, texObj, pname, (GLint *) params, true); }