From: Brian Paul Date: Fri, 26 Jan 2018 21:49:41 +0000 (-0700) Subject: mesa: shrink gl_vertex_array X-Git-Tag: android-x86-8.1-r1~6086 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=79cafa0df342f9fdc142ad2ed7d910044f5f4c4f;p=android-x86%2Fexternal-mesa.git mesa: shrink gl_vertex_array Inspired by Marek's earlier patch, but goes a little further. Sort fields from largest to smallest. Use bitfields. Reduced from 48 bytes to 32. Also reduces size of gl_vertex_array_object from 4144 to 3632 Reviewed-by: Marek Olšák --- diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index b0eeeafbcda..78132de4254 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -1497,18 +1497,19 @@ struct gl_pixelstore_attrib */ struct gl_vertex_array { - GLint Size; /**< components per element (1,2,3,4) */ - GLenum16 Type; /**< datatype: GL_FLOAT, GL_INT, etc */ - GLenum16 Format; /**< default: GL_RGBA, but may be GL_BGRA */ + /** if NULL, vertex data are in user memory */ + struct gl_buffer_object *BufferObj; + /** Pointer into user memory, or offset into the BufferObj */ + const GLubyte *Ptr; GLsizei StrideB; /**< actual stride in bytes */ - GLuint _ElementSize; /**< size of each element in bytes */ - const GLubyte *Ptr; /**< Points to array data */ - GLboolean Normalized; /**< GL_ARB_vertex_program */ - GLboolean Integer; /**< Integer-valued? */ - GLboolean Doubles; /**< double precision values are not converted to floats */ GLuint InstanceDivisor; /**< GL_ARB_instanced_arrays */ - - struct gl_buffer_object *BufferObj;/**< GL_ARB_vertex_buffer_object */ + GLenum16 Type; /**< datatype: GL_FLOAT, GL_INT, etc */ + GLenum16 Format; /**< default: GL_RGBA, but may be GL_BGRA */ + unsigned Size:4; /**< components per element (1,2,3,4) */ + unsigned _ElementSize:8; /**< in bytes, up to 4*sizeof(GLdouble) */ + unsigned Normalized:1; /**< GL_ARB_vertex_program */ + unsigned Integer:1; /**< Integer-valued? */ + unsigned Doubles:1; /**< doubles not converted to floats */ };