From d62be3d4cac4228a74fd93a5588717b8b8468cc6 Mon Sep 17 00:00:00 2001 From: Colin McDonald Date: Mon, 27 Aug 2007 10:47:32 -0600 Subject: [PATCH] fixed problem with big glDrawArrays (see bug 12141) --- src/glx/x11/indirect_vertex_array.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/src/glx/x11/indirect_vertex_array.c b/src/glx/x11/indirect_vertex_array.c index 90ec277c41b..120fd826c3a 100644 --- a/src/glx/x11/indirect_vertex_array.c +++ b/src/glx/x11/indirect_vertex_array.c @@ -527,7 +527,7 @@ static GLubyte * emit_DrawArrays_header_old( __GLXcontext * gc, struct array_state_vector * arrays, size_t * elements_per_request, - size_t * total_requests, + unsigned int * total_requests, GLenum mode, GLsizei count ) { size_t command_size; @@ -640,7 +640,7 @@ emit_DrawArrays_old( GLenum mode, GLint first, GLsizei count ) GLubyte * pc; size_t elements_per_request; - size_t total_requests = 0; + unsigned total_requests = 0; unsigned i; size_t total_sent = 0; @@ -770,9 +770,10 @@ emit_DrawElements_old( GLenum mode, GLsizei count, GLenum type, GLubyte * pc; size_t elements_per_request; - size_t total_requests = 0; + unsigned total_requests = 0; unsigned i; unsigned req; + unsigned req_element=0; pc = emit_DrawArrays_header_old( gc, arrays, & elements_per_request, @@ -790,7 +791,7 @@ emit_DrawElements_old( GLenum mode, GLsizei count, GLenum type, switch( type ) { case GL_UNSIGNED_INT: { - const GLuint * ui_ptr = (const GLuint *) indices; + const GLuint * ui_ptr = (const GLuint *) indices + req_element; for ( i = 0 ; i < elements_per_request ; i++ ) { const GLint index = (GLint) *(ui_ptr++); @@ -799,7 +800,7 @@ emit_DrawElements_old( GLenum mode, GLsizei count, GLenum type, break; } case GL_UNSIGNED_SHORT: { - const GLushort * us_ptr = (const GLushort *) indices; + const GLushort * us_ptr = (const GLushort *) indices + req_element; for ( i = 0 ; i < elements_per_request ; i++ ) { const GLint index = (GLint) *(us_ptr++); @@ -808,7 +809,7 @@ emit_DrawElements_old( GLenum mode, GLsizei count, GLenum type, break; } case GL_UNSIGNED_BYTE: { - const GLubyte * ub_ptr = (const GLubyte *) indices; + const GLubyte * ub_ptr = (const GLubyte *) indices + req_element; for ( i = 0 ; i < elements_per_request ; i++ ) { const GLint index = (GLint) *(ub_ptr++); @@ -826,6 +827,7 @@ emit_DrawElements_old( GLenum mode, GLsizei count, GLenum type, } count -= elements_per_request; + req_element += elements_per_request; }