/* * Mesa 3-D graphics library * * Copyright (C) 2011 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 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 samplerobj.c * \brief Functions for the GL_ARB_sampler_objects extension. * \author Brian Paul */ #include "main/glheader.h" #include "main/context.h" #include "main/dispatch.h" #include "main/enums.h" #include "main/hash.h" #include "main/macros.h" #include "main/mtypes.h" #include "main/samplerobj.h" struct gl_sampler_object * _mesa_lookup_samplerobj(struct gl_context *ctx, GLuint name) { if (name == 0) return NULL; else return (struct gl_sampler_object *) _mesa_HashLookup(ctx->Shared->SamplerObjects, name); } /** * Handle reference counting. */ void _mesa_reference_sampler_object_(struct gl_context *ctx, struct gl_sampler_object **ptr, struct gl_sampler_object *samp) { assert(*ptr != samp); /* The inline wrapper should prevent no-op calls */ if (*ptr) { /* Unreference the old sampler */ GLboolean deleteFlag = GL_FALSE; struct gl_sampler_object *oldSamp = *ptr; /*_glthread_LOCK_MUTEX(oldSamp->Mutex);*/ ASSERT(oldSamp->RefCount > 0); oldSamp->RefCount--; #if 0 printf("SamplerObj %p %d DECR to %d\n", (void *) oldSamp, oldSamp->Name, oldSamp->RefCount); #endif deleteFlag = (oldSamp->RefCount == 0); /*_glthread_UNLOCK_MUTEX(oldSamp->Mutex);*/ if (deleteFlag) { ASSERT(ctx->Driver.DeleteSamplerObject); ctx->Driver.DeleteSamplerObject(ctx, oldSamp); } *ptr = NULL; } ASSERT(!*ptr); if (samp) { /* reference new sampler */ /*_glthread_LOCK_MUTEX(samp->Mutex);*/ if (samp->RefCount == 0) { /* this sampler's being deleted (look just above) */ /* Not sure this can every really happen. Warn if it does. */ _mesa_problem(NULL, "referencing deleted sampler object"); *ptr = NULL; } else { samp->RefCount++; #if 0 printf("SamplerObj %p %d INCR to %d\n", (void *) samp, samp->Name, samp->RefCount); #endif *ptr = samp; } /*_glthread_UNLOCK_MUTEX(samp->Mutex);*/ } } /** * Initialize the fields of the given sampler object. */ static void _mesa_init_sampler_object(struct gl_sampler_object *sampObj, GLuint name) { sampObj->Name = name; sampObj->RefCount = 1; sampObj->WrapS = GL_REPEAT; sampObj->WrapT = GL_REPEAT; sampObj->WrapR = GL_REPEAT; sampObj->MinFilter = GL_NEAREST_MIPMAP_LINEAR; sampObj->MagFilter = GL_LINEAR; sampObj->BorderColor.f[0] = 0.0; sampObj->BorderColor.f[1] = 0.0; sampObj->BorderColor.f[2] = 0.0; sampObj->BorderColor.f[3] = 0.0; sampObj->MinLod = -1000.0F; sampObj->MaxLod = 1000.0F; sampObj->LodBias = 0.0F; sampObj->MaxAnisotropy = 1.0F; sampObj->CompareMode = GL_NONE; sampObj->CompareFunc = GL_LEQUAL; sampObj->sRGBDecode = GL_DECODE_EXT; sampObj->CubeMapSeamless = GL_FALSE; } /** * Fallback for ctx->Driver.NewSamplerObject(); */ struct gl_sampler_object * _mesa_new_sampler_object(struct gl_context *ctx, GLuint name) { struct gl_sampler_object *sampObj = CALLOC_STRUCT(gl_sampler_object); if (sampObj) { _mesa_init_sampler_object(sampObj, name); } return sampObj; } /** * Fallback for ctx->Driver.DeleteSamplerObject(); */ static void _mesa_delete_sampler_object(struct gl_context *ctx, struct gl_sampler_object *sampObj) { free(sampObj); } void GLAPIENTRY _mesa_GenSamplers(GLsizei count, GLuint *samplers) { GET_CURRENT_CONTEXT(ctx); GLuint first; GLint i; if (MESA_VERBOSE & VERBOSE_API) _mesa_debug(ctx, "glGenSamplers(%d)\n", count); if (count < 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glGenSamplers"); return; } if (!samplers) return; first = _mesa_HashFindFreeKeyBlock(ctx->Shared->SamplerObjects, count); /* Insert the ID and pointer to new sampler object into hash table */ for (i = 0; i < count; i++) { struct gl_sampler_object *sampObj = ctx->Driver.NewSamplerObject(ctx, first + i); _mesa_HashInsert(ctx->Shared->SamplerObjects, first + i, sampObj); samplers[i] = first + i; } } void GLAPIENTRY _mesa_DeleteSamplers(GLsizei count, const GLuint *samplers) { GET_CURRENT_CONTEXT(ctx); GLsizei i; FLUSH_VERTICES(ctx, 0); if (count < 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteSamplers(count)"); return; } _glthread_LOCK_MUTEX(ctx->Shared->Mutex); for (i = 0; i < count; i++) { if (samplers[i]) { GLuint j; struct gl_sampler_object *sampObj = _mesa_lookup_samplerobj(ctx, samplers[i]); if (sampObj) { /* If the sampler is currently bound, unbind it. */ for (j = 0; j < ctx->Const.MaxCombinedTextureImageUnits; j++) { if (ctx->Texture.Unit[j].Sampler == sampObj) { FLUSH_VERTICES(ctx, _NEW_TEXTURE); _mesa_reference_sampler_object(ctx, &ctx->Texture.Unit[j].Sampler, NULL); } } /* The ID is immediately freed for re-use */ _mesa_HashRemove(ctx->Shared->SamplerObjects, samplers[i]); /* But the object exists until its reference count goes to zero */ _mesa_reference_sampler_object(ctx, &sampObj, NULL); } } } _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); } GLboolean GLAPIENTRY _mesa_IsSampler(GLuint sampler) { struct gl_sampler_object *sampObj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); if (sampler == 0) return GL_FALSE; sampObj = _mesa_lookup_samplerobj(ctx, sampler); return sampObj != NULL; } void GLAPIENTRY _mesa_BindSampler(GLuint unit, GLuint sampler) { struct gl_sampler_object *sampObj; GET_CURRENT_CONTEXT(ctx); if (unit >= ctx->Const.MaxCombinedTextureImageUnits) { _mesa_error(ctx, GL_INVALID_VALUE, "glBindSampler(unit %u)", unit); return; } if (sampler == 0) { /* Use the default sampler object, the one contained in the texture * object. */ sampObj = NULL; } else { /* user-defined sampler object */ sampObj = _mesa_lookup_samplerobj(ctx, sampler); if (!sampObj) { _mesa_error(ctx, GL_INVALID_OPERATION, "glBindSampler(sampler)"); return; } } if (ctx->Texture.Unit[unit].Sampler != sampObj) { FLUSH_VERTICES(ctx, _NEW_TEXTURE); } /* bind new sampler */ _mesa_reference_sampler_object(ctx, &ctx->Texture.Unit[unit].Sampler, sampObj); } /** * Check if a coordinate wrap mode is legal. * \return GL_TRUE if legal, GL_FALSE otherwise */ static GLboolean validate_texture_wrap_mode(struct gl_context *ctx, GLenum wrap) { const struct gl_extensions * const e = &ctx->Extensions; switch (wrap) { case GL_CLAMP: case GL_CLAMP_TO_EDGE: case GL_REPEAT: case GL_MIRRORED_REPEAT: return GL_TRUE; case GL_CLAMP_TO_BORDER: return e->ARB_texture_border_clamp; case GL_MIRROR_CLAMP_EXT: return e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp; case GL_MIRROR_CLAMP_TO_EDGE_EXT: return e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp; case GL_MIRROR_CLAMP_TO_BORDER_EXT: return e->EXT_texture_mirror_clamp; default: return GL_FALSE; } } /** * This is called just prior to changing any sampler object state. */ static inline void flush(struct gl_context *ctx) { FLUSH_VERTICES(ctx, _NEW_TEXTURE); } #define INVALID_PARAM 0x100 #define INVALID_PNAME 0x101 #define INVALID_VALUE 0x102 static GLuint set_sampler_wrap_s(struct gl_context *ctx, struct gl_sampler_object *samp, GLint param) { if (samp->WrapS == param) return GL_FALSE; if (validate_texture_wrap_mode(ctx, param)) { flush(ctx); samp->WrapS = param; return GL_TRUE; } return INVALID_PARAM; } static GLuint set_sampler_wrap_t(struct gl_context *ctx, struct gl_sampler_object *samp, GLint param) { if (samp->WrapT == param) return GL_FALSE; if (validate_texture_wrap_mode(ctx, param)) { flush(ctx); samp->WrapT = param; return GL_TRUE; } return INVALID_PARAM; } static GLuint set_sampler_wrap_r(struct gl_context *ctx, struct gl_sampler_object *samp, GLint param) { if (samp->WrapR == param) return GL_FALSE; if (validate_texture_wrap_mode(ctx, param)) { flush(ctx); samp->WrapR = param; return GL_TRUE; } return INVALID_PARAM; } static GLuint set_sampler_min_filter(struct gl_context *ctx, struct gl_sampler_object *samp, GLint param) { if (samp->MinFilter == param) return GL_FALSE; switch (param) { case GL_NEAREST: case GL_LINEAR: case GL_NEAREST_MIPMAP_NEAREST: case GL_LINEAR_MIPMAP_NEAREST: case GL_NEAREST_MIPMAP_LINEAR: case GL_LINEAR_MIPMAP_LINEAR: flush(ctx); samp->MinFilter = param; return GL_TRUE; default: return INVALID_PARAM; } } static GLuint set_sampler_mag_filter(struct gl_context *ctx, struct gl_sampler_object *samp, GLint param) { if (samp->MagFilter == param) return GL_FALSE; switch (param) { case GL_NEAREST: case GL_LINEAR: flush(ctx); samp->MagFilter = param; return GL_TRUE; default: return INVALID_PARAM; } } static GLuint set_sampler_lod_bias(struct gl_context *ctx, struct gl_sampler_object *samp, GLfloat param) { if (samp->LodBias == param) return GL_FALSE; flush(ctx); samp->LodBias = param; return GL_TRUE; } static GLuint set_sampler_border_colorf(struct gl_context *ctx, struct gl_sampler_object *samp, const GLfloat params[4]) { flush(ctx); samp->BorderColor.f[RCOMP] = params[0]; samp->BorderColor.f[GCOMP] = params[1]; samp->BorderColor.f[BCOMP] = params[2]; samp->BorderColor.f[ACOMP] = params[3]; return GL_TRUE; } static GLuint set_sampler_border_colori(struct gl_context *ctx, struct gl_sampler_object *samp, const GLint params[4]) { flush(ctx); samp->BorderColor.i[RCOMP] = params[0]; samp->BorderColor.i[GCOMP] = params[1]; samp->BorderColor.i[BCOMP] = params[2]; samp->BorderColor.i[ACOMP] = params[3]; return GL_TRUE; } static GLuint set_sampler_border_colorui(struct gl_context *ctx, struct gl_sampler_object *samp, const GLuint params[4]) { flush(ctx); samp->BorderColor.ui[RCOMP] = params[0]; samp->BorderColor.ui[GCOMP] = params[1]; samp->BorderColor.ui[BCOMP] = params[2]; samp->BorderColor.ui[ACOMP] = params[3]; return GL_TRUE; } static GLuint set_sampler_min_lod(struct gl_context *ctx, struct gl_sampler_object *samp, GLfloat param) { if (samp->MinLod == param) return GL_FALSE; flush(ctx); samp->MinLod = param; return GL_TRUE; } static GLuint set_sampler_max_lod(struct gl_context *ctx, struct gl_sampler_object *samp, GLfloat param) { if (samp->MaxLod == param) return GL_FALSE; flush(ctx); samp->MaxLod = param; return GL_TRUE; } static GLuint set_sampler_compare_mode(struct gl_context *ctx, struct gl_sampler_object *samp, GLint param) { if (!ctx->Extensions.ARB_shadow) return INVALID_PNAME; if (samp->CompareMode == param) return GL_FALSE; if (param == GL_NONE || param == GL_COMPARE_R_TO_TEXTURE_ARB) { flush(ctx); samp->CompareMode = param; return GL_TRUE; } return INVALID_PARAM; } static GLuint set_sampler_compare_func(struct gl_context *ctx, struct gl_sampler_object *samp, GLint param) { if (!ctx->Extensions.ARB_shadow) return INVALID_PNAME; if (samp->CompareFunc == param) return GL_FALSE; switch (param) { case GL_LEQUAL: case GL_GEQUAL: flush(ctx); samp->CompareFunc = param; 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); samp->CompareFunc = param; return GL_TRUE; } /* fall-through */ default: return INVALID_PARAM; } } static GLuint set_sampler_max_anisotropy(struct gl_context *ctx, struct gl_sampler_object *samp, GLfloat param) { if (!ctx->Extensions.EXT_texture_filter_anisotropic) return INVALID_PNAME; if (samp->MaxAnisotropy == param) return GL_FALSE; if (param < 1.0) return INVALID_VALUE; flush(ctx); /* clamp to max, that's what NVIDIA does */ samp->MaxAnisotropy = MIN2(param, ctx->Const.MaxTextureMaxAnisotropy); return GL_TRUE; } static GLuint set_sampler_cube_map_seamless(struct gl_context *ctx, struct gl_sampler_object *samp, GLboolean param) { if (!ctx->Extensions.AMD_seamless_cubemap_per_texture) return INVALID_PNAME; if (samp->CubeMapSeamless == param) return GL_FALSE; if (param != GL_TRUE && param != GL_FALSE) return INVALID_VALUE; flush(ctx); samp->CubeMapSeamless = param; return GL_TRUE; } static GLuint set_sampler_srgb_decode(struct gl_context *ctx, struct gl_sampler_object *samp, GLenum param) { if (!ctx->Extensions.EXT_texture_sRGB_decode) return INVALID_PNAME; if (samp->sRGBDecode == param) return GL_FALSE; if (param != GL_DECODE_EXT && param != GL_SKIP_DECODE_EXT) return INVALID_VALUE; flush(ctx); samp->sRGBDecode = param; return GL_TRUE; } void GLAPIENTRY _mesa_SamplerParameteri(GLuint sampler, GLenum pname, GLint param) { struct gl_sampler_object *sampObj; GLuint res; GET_CURRENT_CONTEXT(ctx); sampObj = _mesa_lookup_samplerobj(ctx, sampler); if (!sampObj) { _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameteri(sampler %u)", sampler); return; } switch (pname) { case GL_TEXTURE_WRAP_S: res = set_sampler_wrap_s(ctx, sampObj, param); break; case GL_TEXTURE_WRAP_T: res = set_sampler_wrap_t(ctx, sampObj, param); break; case GL_TEXTURE_WRAP_R: res = set_sampler_wrap_r(ctx, sampObj, param); break; case GL_TEXTURE_MIN_FILTER: res = set_sampler_min_filter(ctx, sampObj, param); break; case GL_TEXTURE_MAG_FILTER: res = set_sampler_mag_filter(ctx, sampObj, param); break; case GL_TEXTURE_MIN_LOD: res = set_sampler_min_lod(ctx, sampObj, (GLfloat) param); break; case GL_TEXTURE_MAX_LOD: res = set_sampler_max_lod(ctx, sampObj, (GLfloat) param); break; case GL_TEXTURE_LOD_BIAS: res = set_sampler_lod_bias(ctx, sampObj, (GLfloat) param); break; case GL_TEXTURE_COMPARE_MODE: res = set_sampler_compare_mode(ctx, sampObj, param); break; case GL_TEXTURE_COMPARE_FUNC: res = set_sampler_compare_func(ctx, sampObj, param); break; case GL_TEXTURE_MAX_ANISOTROPY_EXT: res = set_sampler_max_anisotropy(ctx, sampObj, (GLfloat) param); break; case GL_TEXTURE_CUBE_MAP_SEAMLESS: res = set_sampler_cube_map_seamless(ctx, sampObj, param); break; case GL_TEXTURE_SRGB_DECODE_EXT: res = set_sampler_srgb_decode(ctx, sampObj, param); break; case GL_TEXTURE_BORDER_COLOR: /* fall-through */ default: res = INVALID_PNAME; } switch (res) { case GL_FALSE: /* no change */ break; case GL_TRUE: /* state change - we do nothing special at this time */ break; case INVALID_PNAME: _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameteri(pname=%s)\n", _mesa_lookup_enum_by_nr(pname)); break; case INVALID_PARAM: _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameteri(param=%d)\n", param); break; case INVALID_VALUE: _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameteri(param=%d)\n", param); break; default: ; } } void GLAPIENTRY _mesa_SamplerParameterf(GLuint sampler, GLenum pname, GLfloat param) { struct gl_sampler_object *sampObj; GLuint res; GET_CURRENT_CONTEXT(ctx); sampObj = _mesa_lookup_samplerobj(ctx, sampler); if (!sampObj) { _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterf(sampler %u)", sampler); return; } switch (pname) { case GL_TEXTURE_WRAP_S: res = set_sampler_wrap_s(ctx, sampObj, (GLint) param); break; case GL_TEXTURE_WRAP_T: res = set_sampler_wrap_t(ctx, sampObj, (GLint) param); break; case GL_TEXTURE_WRAP_R: res = set_sampler_wrap_r(ctx, sampObj, (GLint) param); break; case GL_TEXTURE_MIN_FILTER: res = set_sampler_min_filter(ctx, sampObj, (GLint) param); break; case GL_TEXTURE_MAG_FILTER: res = set_sampler_mag_filter(ctx, sampObj, (GLint) param); break; case GL_TEXTURE_MIN_LOD: res = set_sampler_min_lod(ctx, sampObj, param); break; case GL_TEXTURE_MAX_LOD: res = set_sampler_max_lod(ctx, sampObj, param); break; case GL_TEXTURE_LOD_BIAS: res = set_sampler_lod_bias(ctx, sampObj, param); break; case GL_TEXTURE_COMPARE_MODE: res = set_sampler_compare_mode(ctx, sampObj, (GLint) param); break; case GL_TEXTURE_COMPARE_FUNC: res = set_sampler_compare_func(ctx, sampObj, (GLint) param); break; case GL_TEXTURE_MAX_ANISOTROPY_EXT: res = set_sampler_max_anisotropy(ctx, sampObj, param); break; case GL_TEXTURE_CUBE_MAP_SEAMLESS: res = set_sampler_cube_map_seamless(ctx, sampObj, (GLboolean) param); break; case GL_TEXTURE_SRGB_DECODE_EXT: res = set_sampler_srgb_decode(ctx, sampObj, (GLenum) param); break; case GL_TEXTURE_BORDER_COLOR: /* fall-through */ default: res = INVALID_PNAME; } switch (res) { case GL_FALSE: /* no change */ break; case GL_TRUE: /* state change - we do nothing special at this time */ break; case INVALID_PNAME: _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterf(pname=%s)\n", _mesa_lookup_enum_by_nr(pname)); break; case INVALID_PARAM: _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterf(param=%f)\n", param); break; case INVALID_VALUE: _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterf(param=%f)\n", param); break; default: ; } } void GLAPIENTRY _mesa_SamplerParameteriv(GLuint sampler, GLenum pname, const GLint *params) { struct gl_sampler_object *sampObj; GLuint res; GET_CURRENT_CONTEXT(ctx); sampObj = _mesa_lookup_samplerobj(ctx, sampler); if (!sampObj) { _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameteriv(sampler %u)", sampler); return; } switch (pname) { case GL_TEXTURE_WRAP_S: res = set_sampler_wrap_s(ctx, sampObj, params[0]); break; case GL_TEXTURE_WRAP_T: res = set_sampler_wrap_t(ctx, sampObj, params[0]); break; case GL_TEXTURE_WRAP_R: res = set_sampler_wrap_r(ctx, sampObj, params[0]); break; case GL_TEXTURE_MIN_FILTER: res = set_sampler_min_filter(ctx, sampObj, params[0]); break; case GL_TEXTURE_MAG_FILTER: res = set_sampler_mag_filter(ctx, sampObj, params[0]); break; case GL_TEXTURE_MIN_LOD: res = set_sampler_min_lod(ctx, sampObj, (GLfloat) params[0]); break; case GL_TEXTURE_MAX_LOD: res = set_sampler_max_lod(ctx, sampObj, (GLfloat) params[0]); break; case GL_TEXTURE_LOD_BIAS: res = set_sampler_lod_bias(ctx, sampObj, (GLfloat) params[0]); break; case GL_TEXTURE_COMPARE_MODE: res = set_sampler_compare_mode(ctx, sampObj, params[0]); break; case GL_TEXTURE_COMPARE_FUNC: res = set_sampler_compare_func(ctx, sampObj, params[0]); break; case GL_TEXTURE_MAX_ANISOTROPY_EXT: res = set_sampler_max_anisotropy(ctx, sampObj, (GLfloat) params[0]); break; case GL_TEXTURE_CUBE_MAP_SEAMLESS: res = set_sampler_cube_map_seamless(ctx, sampObj, params[0]); break; case GL_TEXTURE_SRGB_DECODE_EXT: res = set_sampler_srgb_decode(ctx, sampObj, params[0]); break; case GL_TEXTURE_BORDER_COLOR: { GLfloat c[4]; c[0] = INT_TO_FLOAT(params[0]); c[1] = INT_TO_FLOAT(params[1]); c[2] = INT_TO_FLOAT(params[2]); c[3] = INT_TO_FLOAT(params[3]); res = set_sampler_border_colorf(ctx, sampObj, c); } break; default: res = INVALID_PNAME; } switch (res) { case GL_FALSE: /* no change */ break; case GL_TRUE: /* state change - we do nothing special at this time */ break; case INVALID_PNAME: _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameteriv(pname=%s)\n", _mesa_lookup_enum_by_nr(pname)); break; case INVALID_PARAM: _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameteriv(param=%d)\n", params[0]); break; case INVALID_VALUE: _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameteriv(param=%d)\n", params[0]); break; default: ; } } void GLAPIENTRY _mesa_SamplerParameterfv(GLuint sampler, GLenum pname, const GLfloat *params) { struct gl_sampler_object *sampObj; GLuint res; GET_CURRENT_CONTEXT(ctx); sampObj = _mesa_lookup_samplerobj(ctx, sampler); if (!sampObj) { _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterfv(sampler %u)", sampler); return; } switch (pname) { case GL_TEXTURE_WRAP_S: res = set_sampler_wrap_s(ctx, sampObj, (GLint) params[0]); break; case GL_TEXTURE_WRAP_T: res = set_sampler_wrap_t(ctx, sampObj, (GLint) params[0]); break; case GL_TEXTURE_WRAP_R: res = set_sampler_wrap_r(ctx, sampObj, (GLint) params[0]); break; case GL_TEXTURE_MIN_FILTER: res = set_sampler_min_filter(ctx, sampObj, (GLint) params[0]); break; case GL_TEXTURE_MAG_FILTER: res = set_sampler_mag_filter(ctx, sampObj, (GLint) params[0]); break; case GL_TEXTURE_MIN_LOD: res = set_sampler_min_lod(ctx, sampObj, params[0]); break; case GL_TEXTURE_MAX_LOD: res = set_sampler_max_lod(ctx, sampObj, params[0]); break; case GL_TEXTURE_LOD_BIAS: res = set_sampler_lod_bias(ctx, sampObj, params[0]); break; case GL_TEXTURE_COMPARE_MODE: res = set_sampler_compare_mode(ctx, sampObj, (GLint) params[0]); break; case GL_TEXTURE_COMPARE_FUNC: res = set_sampler_compare_func(ctx, sampObj, (GLint) params[0]); break; case GL_TEXTURE_MAX_ANISOTROPY_EXT: res = set_sampler_max_anisotropy(ctx, sampObj, params[0]); break; case GL_TEXTURE_CUBE_MAP_SEAMLESS: res = set_sampler_cube_map_seamless(ctx, sampObj, (GLboolean) params[0]); break; case GL_TEXTURE_SRGB_DECODE_EXT: res = set_sampler_srgb_decode(ctx, sampObj, (GLenum) params[0]); break; case GL_TEXTURE_BORDER_COLOR: res = set_sampler_border_colorf(ctx, sampObj, params); break; default: res = INVALID_PNAME; } switch (res) { case GL_FALSE: /* no change */ break; case GL_TRUE: /* state change - we do nothing special at this time */ break; case INVALID_PNAME: _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterfv(pname=%s)\n", _mesa_lookup_enum_by_nr(pname)); break; case INVALID_PARAM: _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterfv(param=%f)\n", params[0]); break; case INVALID_VALUE: _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterfv(param=%f)\n", params[0]); break; default: ; } } void GLAPIENTRY _mesa_SamplerParameterIiv(GLuint sampler, GLenum pname, const GLint *params) { struct gl_sampler_object *sampObj; GLuint res; GET_CURRENT_CONTEXT(ctx); sampObj = _mesa_lookup_samplerobj(ctx, sampler); if (!sampObj) { _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterIiv(sampler %u)", sampler); return; } switch (pname) { case GL_TEXTURE_WRAP_S: res = set_sampler_wrap_s(ctx, sampObj, params[0]); break; case GL_TEXTURE_WRAP_T: res = set_sampler_wrap_t(ctx, sampObj, params[0]); break; case GL_TEXTURE_WRAP_R: res = set_sampler_wrap_r(ctx, sampObj, params[0]); break; case GL_TEXTURE_MIN_FILTER: res = set_sampler_min_filter(ctx, sampObj, params[0]); break; case GL_TEXTURE_MAG_FILTER: res = set_sampler_mag_filter(ctx, sampObj, params[0]); break; case GL_TEXTURE_MIN_LOD: res = set_sampler_min_lod(ctx, sampObj, (GLfloat) params[0]); break; case GL_TEXTURE_MAX_LOD: res = set_sampler_max_lod(ctx, sampObj, (GLfloat) params[0]); break; case GL_TEXTURE_LOD_BIAS: res = set_sampler_lod_bias(ctx, sampObj, (GLfloat) params[0]); break; case GL_TEXTURE_COMPARE_MODE: res = set_sampler_compare_mode(ctx, sampObj, params[0]); break; case GL_TEXTURE_COMPARE_FUNC: res = set_sampler_compare_func(ctx, sampObj, params[0]); break; case GL_TEXTURE_MAX_ANISOTROPY_EXT: res = set_sampler_max_anisotropy(ctx, sampObj, (GLfloat) params[0]); break; case GL_TEXTURE_CUBE_MAP_SEAMLESS: res = set_sampler_cube_map_seamless(ctx, sampObj, params[0]); break; case GL_TEXTURE_SRGB_DECODE_EXT: res = set_sampler_srgb_decode(ctx, sampObj, (GLenum) params[0]); break; case GL_TEXTURE_BORDER_COLOR: res = set_sampler_border_colori(ctx, sampObj, params); break; default: res = INVALID_PNAME; } switch (res) { case GL_FALSE: /* no change */ break; case GL_TRUE: /* state change - we do nothing special at this time */ break; case INVALID_PNAME: _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterIiv(pname=%s)\n", _mesa_lookup_enum_by_nr(pname)); break; case INVALID_PARAM: _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterIiv(param=%d)\n", params[0]); break; case INVALID_VALUE: _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterIiv(param=%d)\n", params[0]); break; default: ; } } void GLAPIENTRY _mesa_SamplerParameterIuiv(GLuint sampler, GLenum pname, const GLuint *params) { struct gl_sampler_object *sampObj; GLuint res; GET_CURRENT_CONTEXT(ctx); sampObj = _mesa_lookup_samplerobj(ctx, sampler); if (!sampObj) { _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterIuiv(sampler %u)", sampler); return; } switch (pname) { case GL_TEXTURE_WRAP_S: res = set_sampler_wrap_s(ctx, sampObj, params[0]); break; case GL_TEXTURE_WRAP_T: res = set_sampler_wrap_t(ctx, sampObj, params[0]); break; case GL_TEXTURE_WRAP_R: res = set_sampler_wrap_r(ctx, sampObj, params[0]); break; case GL_TEXTURE_MIN_FILTER: res = set_sampler_min_filter(ctx, sampObj, params[0]); break; case GL_TEXTURE_MAG_FILTER: res = set_sampler_mag_filter(ctx, sampObj, params[0]); break; case GL_TEXTURE_MIN_LOD: res = set_sampler_min_lod(ctx, sampObj, (GLfloat) params[0]); break; case GL_TEXTURE_MAX_LOD: res = set_sampler_max_lod(ctx, sampObj, (GLfloat) params[0]); break; case GL_TEXTURE_LOD_BIAS: res = set_sampler_lod_bias(ctx, sampObj, (GLfloat) params[0]); break; case GL_TEXTURE_COMPARE_MODE: res = set_sampler_compare_mode(ctx, sampObj, params[0]); break; case GL_TEXTURE_COMPARE_FUNC: res = set_sampler_compare_func(ctx, sampObj, params[0]); break; case GL_TEXTURE_MAX_ANISOTROPY_EXT: res = set_sampler_max_anisotropy(ctx, sampObj, (GLfloat) params[0]); break; case GL_TEXTURE_CUBE_MAP_SEAMLESS: res = set_sampler_cube_map_seamless(ctx, sampObj, params[0]); break; case GL_TEXTURE_SRGB_DECODE_EXT: res = set_sampler_srgb_decode(ctx, sampObj, (GLenum) params[0]); break; case GL_TEXTURE_BORDER_COLOR: res = set_sampler_border_colorui(ctx, sampObj, params); break; default: res = INVALID_PNAME; } switch (res) { case GL_FALSE: /* no change */ break; case GL_TRUE: /* state change - we do nothing special at this time */ break; case INVALID_PNAME: _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterIuiv(pname=%s)\n", _mesa_lookup_enum_by_nr(pname)); break; case INVALID_PARAM: _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterIuiv(param=%u)\n", params[0]); break; case INVALID_VALUE: _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterIuiv(param=%u)\n", params[0]); break; default: ; } } void GLAPIENTRY _mesa_GetSamplerParameteriv(GLuint sampler, GLenum pname, GLint *params) { struct gl_sampler_object *sampObj; GET_CURRENT_CONTEXT(ctx); sampObj = _mesa_lookup_samplerobj(ctx, sampler); if (!sampObj) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetSamplerParameteriv(sampler %u)", sampler); return; } switch (pname) { case GL_TEXTURE_WRAP_S: *params = sampObj->WrapS; break; case GL_TEXTURE_WRAP_T: *params = sampObj->WrapT; break; case GL_TEXTURE_WRAP_R: *params = sampObj->WrapR; break; case GL_TEXTURE_MIN_FILTER: *params = sampObj->MinFilter; break; case GL_TEXTURE_MAG_FILTER: *params = sampObj->MagFilter; break; case GL_TEXTURE_MIN_LOD: *params = (GLint) sampObj->MinLod; break; case GL_TEXTURE_MAX_LOD: *params = (GLint) sampObj->MaxLod; break; case GL_TEXTURE_LOD_BIAS: *params = (GLint) sampObj->LodBias; break; case GL_TEXTURE_COMPARE_MODE: if (!ctx->Extensions.ARB_shadow) goto invalid_pname; *params = sampObj->CompareMode; break; case GL_TEXTURE_COMPARE_FUNC: if (!ctx->Extensions.ARB_shadow) goto invalid_pname; *params = sampObj->CompareFunc; break; case GL_TEXTURE_MAX_ANISOTROPY_EXT: *params = (GLint) sampObj->MaxAnisotropy; break; case GL_TEXTURE_BORDER_COLOR: params[0] = FLOAT_TO_INT(sampObj->BorderColor.f[0]); params[1] = FLOAT_TO_INT(sampObj->BorderColor.f[1]); params[2] = FLOAT_TO_INT(sampObj->BorderColor.f[2]); params[3] = FLOAT_TO_INT(sampObj->BorderColor.f[3]); break; case GL_TEXTURE_CUBE_MAP_SEAMLESS: if (!ctx->Extensions.AMD_seamless_cubemap_per_texture) goto invalid_pname; *params = sampObj->CubeMapSeamless; break; case GL_TEXTURE_SRGB_DECODE_EXT: if (!ctx->Extensions.EXT_texture_sRGB_decode) goto invalid_pname; *params = (GLenum) sampObj->sRGBDecode; break; default: goto invalid_pname; } return; invalid_pname: _mesa_error(ctx, GL_INVALID_ENUM, "glGetSamplerParameteriv(pname=%s)", _mesa_lookup_enum_by_nr(pname)); } void GLAPIENTRY _mesa_GetSamplerParameterfv(GLuint sampler, GLenum pname, GLfloat *params) { struct gl_sampler_object *sampObj; GET_CURRENT_CONTEXT(ctx); sampObj = _mesa_lookup_samplerobj(ctx, sampler); if (!sampObj) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetSamplerParameterfv(sampler %u)", sampler); return; } switch (pname) { case GL_TEXTURE_WRAP_S: *params = (GLfloat) sampObj->WrapS; break; case GL_TEXTURE_WRAP_T: *params = (GLfloat) sampObj->WrapT; break; case GL_TEXTURE_WRAP_R: *params = (GLfloat) sampObj->WrapR; break; case GL_TEXTURE_MIN_FILTER: *params = (GLfloat) sampObj->MinFilter; break; case GL_TEXTURE_MAG_FILTER: *params = (GLfloat) sampObj->MagFilter; break; case GL_TEXTURE_MIN_LOD: *params = sampObj->MinLod; break; case GL_TEXTURE_MAX_LOD: *params = sampObj->MaxLod; break; case GL_TEXTURE_LOD_BIAS: *params = sampObj->LodBias; break; case GL_TEXTURE_COMPARE_MODE: if (!ctx->Extensions.ARB_shadow) goto invalid_pname; *params = (GLfloat) sampObj->CompareMode; break; case GL_TEXTURE_COMPARE_FUNC: if (!ctx->Extensions.ARB_shadow) goto invalid_pname; *params = (GLfloat) sampObj->CompareFunc; break; case GL_TEXTURE_MAX_ANISOTROPY_EXT: *params = sampObj->MaxAnisotropy; break; case GL_TEXTURE_BORDER_COLOR: params[0] = sampObj->BorderColor.f[0]; params[1] = sampObj->BorderColor.f[1]; params[2] = sampObj->BorderColor.f[2]; params[3] = sampObj->BorderColor.f[3]; break; case GL_TEXTURE_CUBE_MAP_SEAMLESS: if (!ctx->Extensions.AMD_seamless_cubemap_per_texture) goto invalid_pname; *params = (GLfloat) sampObj->CubeMapSeamless; break; case GL_TEXTURE_SRGB_DECODE_EXT: if (!ctx->Extensions.EXT_texture_sRGB_decode) goto invalid_pname; *params = (GLfloat) sampObj->sRGBDecode; break; default: goto invalid_pname; } return; invalid_pname: _mesa_error(ctx, GL_INVALID_ENUM, "glGetSamplerParameterfv(pname=%s)", _mesa_lookup_enum_by_nr(pname)); } void GLAPIENTRY _mesa_GetSamplerParameterIiv(GLuint sampler, GLenum pname, GLint *params) { struct gl_sampler_object *sampObj; GET_CURRENT_CONTEXT(ctx); sampObj = _mesa_lookup_samplerobj(ctx, sampler); if (!sampObj) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetSamplerParameterIiv(sampler %u)", sampler); return; } switch (pname) { case GL_TEXTURE_WRAP_S: *params = sampObj->WrapS; break; case GL_TEXTURE_WRAP_T: *params = sampObj->WrapT; break; case GL_TEXTURE_WRAP_R: *params = sampObj->WrapR; break; case GL_TEXTURE_MIN_FILTER: *params = sampObj->MinFilter; break; case GL_TEXTURE_MAG_FILTER: *params = sampObj->MagFilter; break; case GL_TEXTURE_MIN_LOD: *params = (GLint) sampObj->MinLod; break; case GL_TEXTURE_MAX_LOD: *params = (GLint) sampObj->MaxLod; break; case GL_TEXTURE_LOD_BIAS: *params = (GLint) sampObj->LodBias; break; case GL_TEXTURE_COMPARE_MODE: if (!ctx->Extensions.ARB_shadow) goto invalid_pname; *params = sampObj->CompareMode; break; case GL_TEXTURE_COMPARE_FUNC: if (!ctx->Extensions.ARB_shadow) goto invalid_pname; *params = sampObj->CompareFunc; break; case GL_TEXTURE_MAX_ANISOTROPY_EXT: *params = (GLint) sampObj->MaxAnisotropy; break; case GL_TEXTURE_BORDER_COLOR: params[0] = sampObj->BorderColor.i[0]; params[1] = sampObj->BorderColor.i[1]; params[2] = sampObj->BorderColor.i[2]; params[3] = sampObj->BorderColor.i[3]; break; case GL_TEXTURE_CUBE_MAP_SEAMLESS: if (!ctx->Extensions.AMD_seamless_cubemap_per_texture) goto invalid_pname; *params = sampObj->CubeMapSeamless; break; case GL_TEXTURE_SRGB_DECODE_EXT: if (!ctx->Extensions.EXT_texture_sRGB_decode) goto invalid_pname; *params = (GLenum) sampObj->sRGBDecode; break; default: goto invalid_pname; } return; invalid_pname: _mesa_error(ctx, GL_INVALID_ENUM, "glGetSamplerParameterIiv(pname=%s)", _mesa_lookup_enum_by_nr(pname)); } void GLAPIENTRY _mesa_GetSamplerParameterIuiv(GLuint sampler, GLenum pname, GLuint *params) { struct gl_sampler_object *sampObj; GET_CURRENT_CONTEXT(ctx); sampObj = _mesa_lookup_samplerobj(ctx, sampler); if (!sampObj) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetSamplerParameterIuiv(sampler %u)", sampler); return; } switch (pname) { case GL_TEXTURE_WRAP_S: *params = sampObj->WrapS; break; case GL_TEXTURE_WRAP_T: *params = sampObj->WrapT; break; case GL_TEXTURE_WRAP_R: *params = sampObj->WrapR; break; case GL_TEXTURE_MIN_FILTER: *params = sampObj->MinFilter; break; case GL_TEXTURE_MAG_FILTER: *params = sampObj->MagFilter; break; case GL_TEXTURE_MIN_LOD: *params = (GLuint) sampObj->MinLod; break; case GL_TEXTURE_MAX_LOD: *params = (GLuint) sampObj->MaxLod; break; case GL_TEXTURE_LOD_BIAS: *params = (GLuint) sampObj->LodBias; break; case GL_TEXTURE_COMPARE_MODE: if (!ctx->Extensions.ARB_shadow) goto invalid_pname; *params = sampObj->CompareMode; break; case GL_TEXTURE_COMPARE_FUNC: if (!ctx->Extensions.ARB_shadow) goto invalid_pname; *params = sampObj->CompareFunc; break; case GL_TEXTURE_MAX_ANISOTROPY_EXT: *params = (GLuint) sampObj->MaxAnisotropy; break; case GL_TEXTURE_BORDER_COLOR: params[0] = sampObj->BorderColor.ui[0]; params[1] = sampObj->BorderColor.ui[1]; params[2] = sampObj->BorderColor.ui[2]; params[3] = sampObj->BorderColor.ui[3]; break; case GL_TEXTURE_CUBE_MAP_SEAMLESS: if (!ctx->Extensions.AMD_seamless_cubemap_per_texture) goto invalid_pname; *params = sampObj->CubeMapSeamless; break; case GL_TEXTURE_SRGB_DECODE_EXT: if (!ctx->Extensions.EXT_texture_sRGB_decode) goto invalid_pname; *params = (GLenum) sampObj->sRGBDecode; break; default: goto invalid_pname; } return; invalid_pname: _mesa_error(ctx, GL_INVALID_ENUM, "glGetSamplerParameterIuiv(pname=%s)", _mesa_lookup_enum_by_nr(pname)); } void _mesa_init_sampler_object_functions(struct dd_function_table *driver) { driver->NewSamplerObject = _mesa_new_sampler_object; driver->DeleteSamplerObject = _mesa_delete_sampler_object; }