diff options
Diffstat (limited to 'src/mesa/main/texstate.c')
| -rw-r--r-- | src/mesa/main/texstate.c | 123 |
1 files changed, 107 insertions, 16 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c index 1b45eae42c..c9f8a0656e 100644 --- a/src/mesa/main/texstate.c +++ b/src/mesa/main/texstate.c @@ -1,6 +1,6 @@ /* * Mesa 3-D graphics library - * Version: 6.5.3 + * Version: 7.1 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * @@ -154,6 +154,10 @@ _mesa_copy_texture_state( const GLcontext *src, GLcontext *dst ) src->Texture.Unit[i].CurrentCubeMap); copy_texture_binding(src, &dst->Texture.Unit[i].CurrentRect, src->Texture.Unit[i].CurrentRect); + copy_texture_binding(src, &dst->Texture.Unit[i].Current1DArray, + src->Texture.Unit[i].Current1DArray); + copy_texture_binding(src, &dst->Texture.Unit[i].Current2DArray, + src->Texture.Unit[i].Current2DArray); _mesa_unlock_context_textures(dst); } @@ -1137,26 +1141,29 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) /* Texture Parameters */ /**********************************************************************/ +/** + * Check if a coordinate wrap mode is supported for the texture target. + * \return GL_TRUE if legal, GL_FALSE otherwise + */ static GLboolean -_mesa_validate_texture_wrap_mode(GLcontext * ctx, - GLenum target, GLenum eparam) +validate_texture_wrap_mode(GLcontext * ctx, GLenum target, GLenum wrap) { const struct gl_extensions * const e = & ctx->Extensions; - if (eparam == GL_CLAMP || eparam == GL_CLAMP_TO_EDGE || - (eparam == GL_CLAMP_TO_BORDER && e->ARB_texture_border_clamp)) { + if (wrap == GL_CLAMP || wrap == GL_CLAMP_TO_EDGE || + (wrap == GL_CLAMP_TO_BORDER && e->ARB_texture_border_clamp)) { /* any texture target */ return GL_TRUE; } else if (target != GL_TEXTURE_RECTANGLE_NV && - (eparam == GL_REPEAT || - (eparam == GL_MIRRORED_REPEAT && + (wrap == GL_REPEAT || + (wrap == GL_MIRRORED_REPEAT && e->ARB_texture_mirrored_repeat) || - (eparam == GL_MIRROR_CLAMP_EXT && + (wrap == GL_MIRROR_CLAMP_EXT && (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) || - (eparam == GL_MIRROR_CLAMP_TO_EDGE_EXT && + (wrap == GL_MIRROR_CLAMP_TO_EDGE_EXT && (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) || - (eparam == GL_MIRROR_CLAMP_TO_BORDER_EXT && + (wrap == GL_MIRROR_CLAMP_TO_BORDER_EXT && (e->EXT_texture_mirror_clamp)))) { /* non-rectangle texture */ return GL_TRUE; @@ -1221,6 +1228,20 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) } texObj = texUnit->CurrentRect; break; + case GL_TEXTURE_1D_ARRAY_EXT: + if (!ctx->Extensions.MESA_texture_array) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); + return; + } + texObj = texUnit->Current1DArray; + break; + case GL_TEXTURE_2D_ARRAY_EXT: + if (!ctx->Extensions.MESA_texture_array) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); + return; + } + texObj = texUnit->Current2DArray; + break; default: _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); return; @@ -1265,7 +1286,7 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) case GL_TEXTURE_WRAP_S: if (texObj->WrapS == eparam) return; - if (_mesa_validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { + if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { FLUSH_VERTICES(ctx, _NEW_TEXTURE); texObj->WrapS = eparam; } @@ -1276,7 +1297,7 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) case GL_TEXTURE_WRAP_T: if (texObj->WrapT == eparam) return; - if (_mesa_validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { + if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { FLUSH_VERTICES(ctx, _NEW_TEXTURE); texObj->WrapT = eparam; } @@ -1287,7 +1308,7 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) case GL_TEXTURE_WRAP_R: if (texObj->WrapR == eparam) return; - if (_mesa_validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { + if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { FLUSH_VERTICES(ctx, _NEW_TEXTURE); texObj->WrapR = eparam; } @@ -1497,7 +1518,7 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) return; } - texObj->Complete = GL_FALSE; + texObj->_Complete = GL_FALSE; if (ctx->Driver.TexParameter) { (*ctx->Driver.TexParameter)( ctx, target, texObj, pname, params ); @@ -1574,6 +1595,12 @@ tex_image_dimensions(GLcontext *ctx, GLenum target) case GL_TEXTURE_RECTANGLE_NV: case GL_PROXY_TEXTURE_RECTANGLE_NV: return ctx->Extensions.NV_texture_rectangle ? 2 : 0; + case GL_TEXTURE_1D_ARRAY_EXT: + case GL_PROXY_TEXTURE_1D_ARRAY_EXT: + return ctx->Extensions.MESA_texture_array ? 2 : 0; + case GL_TEXTURE_2D_ARRAY_EXT: + case GL_PROXY_TEXTURE_2D_ARRAY_EXT: + return ctx->Extensions.MESA_texture_array ? 3 : 0; default: _mesa_problem(ctx, "bad target in _mesa_tex_target_dimensions()"); return 0; @@ -2769,6 +2796,47 @@ update_texture_matrices( GLcontext *ctx ) /** + * Update texture object's _Function field. We need to do this + * whenever any of the texture object's shadow-related fields change + * or when we start/stop using a fragment program. + * + * This function could be expanded someday to update additional per-object + * fields that depend on assorted state changes. + */ +static void +update_texture_compare_function(GLcontext *ctx, + struct gl_texture_object *tObj) +{ + /* XXX temporarily disable this test since it breaks the GLSL + * shadow2D(), etc. functions. + */ + if (0 /*ctx->FragmentProgram._Current*/) { + /* Texel/coordinate comparison is ignored for programs. + * See GL_ARB_fragment_program/shader spec for details. + */ + tObj->_Function = GL_NONE; + } + else if (tObj->CompareFlag) { + /* GL_SGIX_shadow */ + if (tObj->CompareOperator == GL_TEXTURE_LEQUAL_R_SGIX) { + tObj->_Function = GL_LEQUAL; + } + else { + ASSERT(tObj->CompareOperator == GL_TEXTURE_GEQUAL_R_SGIX); + tObj->_Function = GL_GEQUAL; + } + } + else if (tObj->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) { + /* GL_ARB_shadow */ + tObj->_Function = tObj->CompareFunc; + } + else { + tObj->_Function = GL_NONE; /* pass depth through as grayscale */ + } +} + + +/** * Helper function for determining which texture object (1D, 2D, cube, etc) * should actually be used. */ @@ -2778,12 +2846,13 @@ texture_override(GLcontext *ctx, struct gl_texture_object *texObj, GLuint textureBit) { if (!texUnit->_ReallyEnabled && (enableBits & textureBit)) { - if (!texObj->Complete) { + if (!texObj->_Complete) { _mesa_test_texobj_completeness(ctx, texObj); } - if (texObj->Complete) { + if (texObj->_Complete) { texUnit->_ReallyEnabled = textureBit; texUnit->_Current = texObj; + update_texture_compare_function(ctx, texObj); } } } @@ -2865,6 +2934,10 @@ update_texture_state( GLcontext *ctx ) * a fragment program we're guaranteed that bitcount(enabledBits) <= 1. */ texture_override(ctx, texUnit, enableBits, + texUnit->Current2DArray, TEXTURE_2D_ARRAY_BIT); + texture_override(ctx, texUnit, enableBits, + texUnit->Current1DArray, TEXTURE_1D_ARRAY_BIT); + texture_override(ctx, texUnit, enableBits, texUnit->CurrentCubeMap, TEXTURE_CUBE_BIT); texture_override(ctx, texUnit, enableBits, texUnit->Current3D, TEXTURE_3D_BIT); @@ -3032,6 +3105,14 @@ alloc_proxy_textures( GLcontext *ctx ) if (!ctx->Texture.ProxyRect) goto cleanup; + ctx->Texture.Proxy1DArray = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_1D_ARRAY_EXT); + if (!ctx->Texture.Proxy1DArray) + goto cleanup; + + ctx->Texture.Proxy2DArray = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_2D_ARRAY_EXT); + if (!ctx->Texture.Proxy2DArray) + goto cleanup; + return GL_TRUE; cleanup: @@ -3045,6 +3126,10 @@ alloc_proxy_textures( GLcontext *ctx ) (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyCubeMap); if (ctx->Texture.ProxyRect) (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyRect); + if (ctx->Texture.Proxy1DArray) + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy1DArray); + if (ctx->Texture.Proxy2DArray) + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy2DArray); return GL_FALSE; } @@ -3092,6 +3177,8 @@ init_texture_unit( GLcontext *ctx, GLuint unit ) texUnit->Current3D = ctx->Shared->Default3D; texUnit->CurrentCubeMap = ctx->Shared->DefaultCubeMap; texUnit->CurrentRect = ctx->Shared->DefaultRect; + texUnit->Current1DArray = ctx->Shared->Default1DArray; + texUnit->Current2DArray = ctx->Shared->Default2DArray; } @@ -3112,6 +3199,8 @@ _mesa_init_texture(GLcontext *ctx) ctx->Shared->Default3D->RefCount += MAX_TEXTURE_UNITS; ctx->Shared->DefaultCubeMap->RefCount += MAX_TEXTURE_UNITS; ctx->Shared->DefaultRect->RefCount += MAX_TEXTURE_UNITS; + ctx->Shared->Default1DArray->RefCount += MAX_TEXTURE_UNITS; + ctx->Shared->Default2DArray->RefCount += MAX_TEXTURE_UNITS; /* Texture group */ ctx->Texture.CurrentUnit = 0; /* multitexture */ @@ -3145,6 +3234,8 @@ _mesa_free_texture_data(GLcontext *ctx) (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy3D ); (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyCubeMap ); (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyRect ); + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy1DArray ); + (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy2DArray ); for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++) _mesa_free_colortable_data( &ctx->Texture.Unit[i].ColorTable ); |