diff options
author | Jouk <joukj@tarantella.(none)> | 2007-07-25 10:16:11 +0200 |
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committer | Jouk <joukj@tarantella.(none)> | 2007-07-25 10:16:11 +0200 |
commit | eb9a5b6d5127858b01ec12672c999e7d25cd7aed (patch) | |
tree | 91c0302c4d007ddcd0c42fbb8d8de71bf23d3914 /src/mesa/main/texstate.c | |
parent | 55f8b7053065ce88296608071feed6f9540f6c0d (diff) | |
parent | 03ec41ddc51e539c989a546f33d22daa2af69095 (diff) |
Merge branch 'master' of git+ssh://joukj@git.freedesktop.org/git/mesa/mesa
Diffstat (limited to 'src/mesa/main/texstate.c')
-rw-r--r-- | src/mesa/main/texstate.c | 114 |
1 files changed, 61 insertions, 53 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c index 18afaf4edd..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. * @@ -1141,26 +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; @@ -1178,36 +1181,6 @@ _mesa_TexParameterf( GLenum target, GLenum pname, GLfloat param ) } -/** - * Update derrived compare function state. - */ -void -_mesa_update_texture_compare_function(struct gl_texture_object *tObj, - GLboolean in_frag_prog) -{ - if (in_frag_prog) { - 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 */ - } -} - - void GLAPIENTRY _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) { @@ -1313,7 +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; } @@ -1324,7 +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; } @@ -1335,7 +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; } @@ -1415,7 +1388,6 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) if (ctx->Extensions.SGIX_shadow) { FLUSH_VERTICES(ctx, _NEW_TEXTURE); texObj->CompareFlag = params[0] ? GL_TRUE : GL_FALSE; - _mesa_update_texture_compare_function(texObj, GL_FALSE); } else { _mesa_error(ctx, GL_INVALID_ENUM, @@ -1430,7 +1402,6 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) op == GL_TEXTURE_GEQUAL_R_SGIX) { FLUSH_VERTICES(ctx, _NEW_TEXTURE); texObj->CompareOperator = op; - _mesa_update_texture_compare_function(texObj, GL_FALSE); } else { _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param)"); @@ -1469,7 +1440,6 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) if (mode == GL_NONE || mode == GL_COMPARE_R_TO_TEXTURE_ARB) { FLUSH_VERTICES(ctx, _NEW_TEXTURE); texObj->CompareMode = mode; - _mesa_update_texture_compare_function(texObj, GL_FALSE); } else { _mesa_error(ctx, GL_INVALID_ENUM, @@ -1505,8 +1475,6 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) "glTexParameter(bad GL_TEXTURE_COMPARE_FUNC_ARB)"); return; } - - _mesa_update_texture_compare_function(texObj, GL_FALSE); } else { _mesa_error(ctx, GL_INVALID_ENUM, @@ -1527,8 +1495,6 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) "glTexParameter(bad GL_DEPTH_TEXTURE_MODE_ARB)"); return; } - - _mesa_update_texture_compare_function(texObj, GL_FALSE); } else { _mesa_error(ctx, GL_INVALID_ENUM, @@ -1552,7 +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 ); @@ -2830,6 +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. */ @@ -2839,12 +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); } } } |