From 686215d9e5c87ace953b11559ec8ca24f5a3b4e4 Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Wed, 12 May 2010 14:10:50 +0100 Subject: svga: Advertise shader limits. --- src/gallium/drivers/svga/svga_screen.c | 51 ++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) (limited to 'src') diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c index 580340b237a..2c3c3f52202 100644 --- a/src/gallium/drivers/svga/svga_screen.c +++ b/src/gallium/drivers/svga/svga_screen.c @@ -177,6 +177,57 @@ svga_get_paramf(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: return 0; + /* + * Fragment shader limits + */ + + case PIPE_CAP_MAX_FS_INSTRUCTIONS: + case PIPE_CAP_MAX_FS_ALU_INSTRUCTIONS: + case PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS: + case PIPE_CAP_MAX_FS_TEX_INDIRECTIONS: + return svgascreen->use_ps30 ? 512 : 96; + case PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH: + return SVGA3D_MAX_NESTING_LEVEL; + case PIPE_CAP_MAX_FS_INPUTS: + return 10; + case PIPE_CAP_MAX_FS_CONSTS: + return svgascreen->use_vs30 ? 224 : 16; + case PIPE_CAP_MAX_FS_TEMPS: + if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS, &result)) + return svgascreen->use_ps30 ? 32 : 12; + return result.u; + case PIPE_CAP_MAX_FS_ADDRS: + return svgascreen->use_ps30 ? 1 : 0; + case PIPE_CAP_MAX_FS_PREDS: + return svgascreen->use_ps30 ? 1 : 0; + + /* + * Vertex shader limits + */ + case PIPE_CAP_MAX_VS_INSTRUCTIONS: + case PIPE_CAP_MAX_VS_ALU_INSTRUCTIONS: + if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS, &result)) + return svgascreen->use_vs30 ? 512 : 256; + return result.u; + case PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS: + case PIPE_CAP_MAX_VS_TEX_INDIRECTIONS: + /* XXX: until we have vertex texture support */ + return 0; + case PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH: + return SVGA3D_MAX_NESTING_LEVEL; + case PIPE_CAP_MAX_VS_INPUTS: + return 16; + case PIPE_CAP_MAX_VS_CONSTS: + return 256; + case PIPE_CAP_MAX_VS_TEMPS: + if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS, &result)) + return svgascreen->use_vs30 ? 32 : 12; + return result.u; + case PIPE_CAP_MAX_VS_ADDRS: + return svgascreen->use_vs30 ? 1 : 0; + case PIPE_CAP_MAX_VS_PREDS: + return svgascreen->use_vs30 ? 1 : 0; + default: return 0; } -- cgit v1.2.3