From bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fb Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Wed, 16 May 2007 15:34:22 -0700 Subject: Initial implementation of MESA_texture_array Shadow sampling from texture arrays is still not implemented. Everything else should be there, though. --- src/mesa/main/teximage.c | 152 ++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 143 insertions(+), 9 deletions(-) (limited to 'src/mesa/main/teximage.c') diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index 9fb430f39b..8e528d9bbb 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -629,6 +629,8 @@ _mesa_set_tex_image(struct gl_texture_object *tObj, case GL_TEXTURE_1D: case GL_TEXTURE_2D: case GL_TEXTURE_3D: + case GL_TEXTURE_1D_ARRAY_EXT: + case GL_TEXTURE_2D_ARRAY_EXT: tObj->Image[0][level] = texImage; break; case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: @@ -733,7 +735,9 @@ _mesa_is_proxy_texture(GLenum target) target == GL_PROXY_TEXTURE_2D || target == GL_PROXY_TEXTURE_3D || target == GL_PROXY_TEXTURE_CUBE_MAP_ARB || - target == GL_PROXY_TEXTURE_RECTANGLE_NV); + target == GL_PROXY_TEXTURE_RECTANGLE_NV || + target == GL_PROXY_TEXTURE_1D_ARRAY_EXT || + target == GL_PROXY_TEXTURE_2D_ARRAY_EXT); } @@ -783,6 +787,18 @@ _mesa_select_tex_object(GLcontext *ctx, const struct gl_texture_unit *texUnit, case GL_PROXY_TEXTURE_RECTANGLE_NV: return ctx->Extensions.NV_texture_rectangle ? ctx->Texture.ProxyRect : NULL; + case GL_TEXTURE_1D_ARRAY_EXT: + return ctx->Extensions.MESA_texture_array + ? texUnit->Current1DArray : NULL; + case GL_PROXY_TEXTURE_1D_ARRAY_EXT: + return ctx->Extensions.MESA_texture_array + ? ctx->Texture.Proxy1DArray : NULL; + case GL_TEXTURE_2D_ARRAY_EXT: + return ctx->Extensions.MESA_texture_array + ? texUnit->Current2DArray : NULL; + case GL_PROXY_TEXTURE_2D_ARRAY_EXT: + return ctx->Extensions.MESA_texture_array + ? ctx->Texture.Proxy2DArray : NULL; default: _mesa_problem(NULL, "bad target in _mesa_select_tex_object()"); return NULL; @@ -848,6 +864,13 @@ _mesa_select_tex_image(GLcontext *ctx, const struct gl_texture_object *texObj, else return NULL; + case GL_TEXTURE_1D_ARRAY_EXT: + case GL_PROXY_TEXTURE_1D_ARRAY_EXT: + case GL_TEXTURE_2D_ARRAY_EXT: + case GL_PROXY_TEXTURE_2D_ARRAY_EXT: + return (ctx->Extensions.MESA_texture_array) + ? texObj->Image[0][level] : NULL; + default: return NULL; } @@ -973,6 +996,36 @@ _mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level) texImage->TexObject = ctx->Texture.ProxyRect; } return texImage; + case GL_PROXY_TEXTURE_1D_ARRAY_EXT: + if (level >= ctx->Const.MaxTextureLevels) + return NULL; + texImage = ctx->Texture.Proxy1DArray->Image[0][level]; + if (!texImage) { + texImage = ctx->Driver.NewTextureImage(ctx); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation"); + return NULL; + } + ctx->Texture.Proxy1DArray->Image[0][level] = texImage; + /* Set the 'back' pointer */ + texImage->TexObject = ctx->Texture.Proxy1DArray; + } + return texImage; + case GL_PROXY_TEXTURE_2D_ARRAY_EXT: + if (level >= ctx->Const.MaxTextureLevels) + return NULL; + texImage = ctx->Texture.Proxy2DArray->Image[0][level]; + if (!texImage) { + texImage = ctx->Driver.NewTextureImage(ctx); + if (!texImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation"); + return NULL; + } + ctx->Texture.Proxy2DArray->Image[0][level] = texImage; + /* Set the 'back' pointer */ + texImage->TexObject = ctx->Texture.Proxy2DArray; + } + return texImage; default: return NULL; } @@ -998,6 +1051,10 @@ _mesa_max_texture_levels(GLcontext *ctx, GLenum target) case GL_PROXY_TEXTURE_1D: case GL_TEXTURE_2D: case GL_PROXY_TEXTURE_2D: + case GL_TEXTURE_1D_ARRAY_EXT: + case GL_PROXY_TEXTURE_1D_ARRAY_EXT: + case GL_TEXTURE_2D_ARRAY_EXT: + case GL_PROXY_TEXTURE_2D_ARRAY_EXT: return ctx->Const.MaxTextureLevels; case GL_TEXTURE_3D: case GL_PROXY_TEXTURE_3D: @@ -1292,6 +1349,36 @@ _mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level, return GL_FALSE; } return GL_TRUE; + case GL_PROXY_TEXTURE_1D_ARRAY_EXT: + maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); + if (width < 2 * border || width > 2 + maxSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(width - 2 * border) != 1) || + level >= ctx->Const.MaxTextureLevels) { + /* bad width or level */ + return GL_FALSE; + } + + if (height < 1 || height > ctx->Const.MaxArrayTextureLayers) { + return GL_FALSE; + } + return GL_TRUE; + case GL_PROXY_TEXTURE_2D_ARRAY_EXT: + maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); + if (width < 2 * border || width > 2 + maxSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(width - 2 * border) != 1) || + height < 2 * border || height > 2 + maxSize || + (!ctx->Extensions.ARB_texture_non_power_of_two && + _mesa_bitcount(height - 2 * border) != 1) || + level >= ctx->Const.MaxTextureLevels) { + /* bad width or height or level */ + return GL_FALSE; + } + if (depth < 1 || depth > ctx->Const.MaxArrayTextureLayers) { + return GL_FALSE; + } + return GL_TRUE; default: _mesa_problem(ctx, "Invalid target in _mesa_test_proxy_teximage"); return GL_FALSE; @@ -1398,6 +1485,10 @@ texture_error_check( GLcontext *ctx, GLenum target, } proxy_target = GL_PROXY_TEXTURE_RECTANGLE_NV; } + else if (target == GL_PROXY_TEXTURE_1D_ARRAY_EXT || + target == GL_TEXTURE_1D_ARRAY_EXT) { + proxy_target = GL_PROXY_TEXTURE_1D_ARRAY_EXT; + } else { _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)"); return GL_TRUE; @@ -1407,6 +1498,10 @@ texture_error_check( GLcontext *ctx, GLenum target, if (target == GL_PROXY_TEXTURE_3D || target == GL_TEXTURE_3D) { proxy_target = GL_PROXY_TEXTURE_3D; } + else if (target == GL_PROXY_TEXTURE_2D_ARRAY_EXT || + target == GL_TEXTURE_2D_ARRAY_EXT) { + proxy_target = GL_PROXY_TEXTURE_2D_ARRAY_EXT; + } else { _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" ); return GL_TRUE; @@ -1595,13 +1690,25 @@ subtexture_error_check( GLcontext *ctx, GLuint dimensions, return GL_TRUE; } } + else if (target == GL_TEXTURE_1D_ARRAY_EXT) { + if (!ctx->Extensions.MESA_texture_array) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" ); + return GL_TRUE; + } + } else if (target != GL_TEXTURE_2D) { _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" ); return GL_TRUE; } } else if (dimensions == 3) { - if (target != GL_TEXTURE_3D) { + if (target == GL_TEXTURE_2D_ARRAY_EXT) { + if (!ctx->Extensions.MESA_texture_array) { + _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage3D(target)" ); + return GL_TRUE; + } + } + else if (target != GL_TEXTURE_3D) { _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage3D(target)" ); return GL_TRUE; } @@ -1855,6 +1962,17 @@ copytexture_error_check( GLcontext *ctx, GLuint dimensions, format, type, width, height, 1, border); } + else if (target == GL_TEXTURE_1D_ARRAY_EXT) { + if (!ctx->Extensions.MESA_texture_array) { + _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)"); + return GL_TRUE; + } + sizeOK = ctx->Driver.TestProxyTexImage(ctx, + GL_PROXY_TEXTURE_1D_ARRAY_EXT, + level, internalFormat, + format, type, + width, height, 1, border); + } else { _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" ); return GL_TRUE; @@ -1968,15 +2086,23 @@ copytexsubimage_error_check( GLcontext *ctx, GLuint dimensions, return GL_TRUE; } } + else if (target == GL_TEXTURE_1D_ARRAY_EXT) { + if (!ctx->Extensions.MESA_texture_array) { + _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" ); + return GL_TRUE; + } + } else if (target != GL_TEXTURE_2D) { _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" ); return GL_TRUE; } } else if (dimensions == 3) { - if (target != GL_TEXTURE_3D) { - _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage3D(target)" ); - return GL_TRUE; + if (((target != GL_TEXTURE_2D_ARRAY_EXT) || + (!ctx->Extensions.MESA_texture_array)) + && (target != GL_TEXTURE_3D)) { + _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage3D(target)" ); + return GL_TRUE; } } @@ -2393,7 +2519,9 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) || (ctx->Extensions.NV_texture_rectangle && - target == GL_TEXTURE_RECTANGLE_NV)) { + target == GL_TEXTURE_RECTANGLE_NV) || + (ctx->Extensions.MESA_texture_array && + target == GL_TEXTURE_1D_ARRAY_EXT)) { /* non-proxy target */ struct gl_texture_unit *texUnit; struct gl_texture_object *texObj; @@ -2451,7 +2579,9 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB && ctx->Extensions.ARB_texture_cube_map) || (target == GL_PROXY_TEXTURE_RECTANGLE_NV && - ctx->Extensions.NV_texture_rectangle)) { + ctx->Extensions.NV_texture_rectangle) || + (ctx->Extensions.MESA_texture_array && + target == GL_PROXY_TEXTURE_1D_ARRAY_EXT)) { /* Proxy texture: check for errors and update proxy state */ struct gl_texture_image *texImage; texImage = _mesa_get_proxy_tex_image(ctx, target, level); @@ -2491,7 +2621,9 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat, GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); - if (target == GL_TEXTURE_3D) { + if (target == GL_TEXTURE_3D || + (ctx->Extensions.MESA_texture_array && + target == GL_TEXTURE_2D_ARRAY_EXT)) { /* non-proxy target */ struct gl_texture_unit *texUnit; struct gl_texture_object *texObj; @@ -2544,7 +2676,9 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat, out: _mesa_unlock_texture(ctx, texObj); } - else if (target == GL_PROXY_TEXTURE_3D) { + else if (target == GL_PROXY_TEXTURE_3D || + (ctx->Extensions.MESA_texture_array && + target == GL_PROXY_TEXTURE_2D_ARRAY_EXT)) { /* Proxy texture: check for errors and update proxy state */ struct gl_texture_image *texImage; texImage = _mesa_get_proxy_tex_image(ctx, target, level); -- cgit v1.2.3