diff options
Diffstat (limited to 'src/mesa/tnl/t_draw.c')
| -rw-r--r-- | src/mesa/tnl/t_draw.c | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/src/mesa/tnl/t_draw.c b/src/mesa/tnl/t_draw.c index a1a46f6b82..2ec65d5323 100644 --- a/src/mesa/tnl/t_draw.c +++ b/src/mesa/tnl/t_draw.c @@ -1,9 +1,8 @@ - /* * Mesa 3-D graphics library - * Version: 6.5 + * Version: 7.1 * - * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 Brian Paul 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"), @@ -29,7 +28,7 @@ #include "main/glheader.h" #include "main/context.h" #include "main/imports.h" -#include "state.h" +#include "main/state.h" #include "main/mtypes.h" #include "main/macros.h" #include "main/enums.h" @@ -89,6 +88,29 @@ static void free_space(GLcontext *ctx) } while (0) +/** + * Convert array of BGRA/GLubyte[4] values to RGBA/float[4] + * \param ptr input/ubyte array + * \param fptr output/float array + */ +static void +convert_bgra_to_float(const struct gl_client_array *input, + const GLubyte *ptr, GLfloat *fptr, + GLuint count ) +{ + GLuint i; + assert(input->Normalized); + assert(input->Size == 4); + for (i = 0; i < count; i++) { + const GLubyte *in = (GLubyte *) ptr; /* in is in BGRA order */ + *fptr++ = UBYTE_TO_FLOAT(in[2]); /* red */ + *fptr++ = UBYTE_TO_FLOAT(in[1]); /* green */ + *fptr++ = UBYTE_TO_FLOAT(in[0]); /* blue */ + *fptr++ = UBYTE_TO_FLOAT(in[3]); /* alpha */ + ptr += input->StrideB; + } +} + /* Adjust pointer to point at first requested element, convert to * floating point, populate VB->AttribPtr[]. @@ -113,7 +135,13 @@ static void _tnl_import_array( GLcontext *ctx, CONVERT(GLbyte, BYTE_TO_FLOAT); break; case GL_UNSIGNED_BYTE: - CONVERT(GLubyte, UBYTE_TO_FLOAT); + if (input->Format == GL_BGRA) { + /* See GL_EXT_vertex_array_bgra */ + convert_bgra_to_float(input, ptr, fptr, count); + } + else { + CONVERT(GLubyte, UBYTE_TO_FLOAT); + } break; case GL_SHORT: CONVERT(GLshort, SHORT_TO_FLOAT); @@ -368,7 +396,7 @@ void _tnl_draw_prims( GLcontext *ctx, _tnl_draw_prims ); return; } - else if (max_index >= max) { + else if (max_index > max) { /* The software TNL pipeline has a fixed amount of storage for * vertices and it is necessary to split incoming drawing commands * if they exceed that limit. |