From: Ilia Mirkin Date: Fri, 27 Jun 2014 00:01:50 +0000 (-0400) Subject: gallium: add a cap for max vertex streams X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=746e5260f6308e3d762c0480118d9be3ab5bb544;p=mesa.git gallium: add a cap for max vertex streams Signed-off-by: Ilia Mirkin Reviewed-by: Marek Olšák Reviewed-by: Brian Paul Reviewed-by: Roland Scheidegger --- diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst index 1a80b049429..5e01df50875 100644 --- a/src/gallium/docs/source/screen.rst +++ b/src/gallium/docs/source/screen.rst @@ -205,6 +205,9 @@ The integer capabilities: * ``PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION``: Whether TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION is supported, which disables clipping and viewport transformation. +* ``PIPE_CAP_MAX_VERTEX_STREAMS``: The maximum number of vertex streams + supported by the geometry shader. If stream-out is supported, this should be + at least 1. If stream-out is not supported, this should be 0. .. _pipe_capf: diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c index e7a185df00d..9200962fc3c 100644 --- a/src/gallium/drivers/freedreno/freedreno_screen.c +++ b/src/gallium/drivers/freedreno/freedreno_screen.c @@ -227,6 +227,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) /* Geometry shader output, unsupported. */ case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: + case PIPE_CAP_MAX_VERTEX_STREAMS: return 0; /* Texturing. */ diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c index 79d8659522a..036f706bccd 100644 --- a/src/gallium/drivers/i915/i915_screen.c +++ b/src/gallium/drivers/i915/i915_screen.c @@ -270,6 +270,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap) /* Geometry shader output, unsupported. */ case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: + case PIPE_CAP_MAX_VERTEX_STREAMS: return 0; /* Fragment coordinate conventions. */ diff --git a/src/gallium/drivers/ilo/ilo_screen.c b/src/gallium/drivers/ilo/ilo_screen.c index b08ae206a7d..8f8e1527934 100644 --- a/src/gallium/drivers/ilo/ilo_screen.c +++ b/src/gallium/drivers/ilo/ilo_screen.c @@ -375,6 +375,7 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param) return ILO_MAX_SO_BINDINGS; case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: + case PIPE_CAP_MAX_VERTEX_STREAMS: return 0; case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME: if (is->dev.gen >= ILO_GEN(7)) diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c index a6b712a8126..26ab2946af3 100644 --- a/src/gallium/drivers/llvmpipe/lp_screen.c +++ b/src/gallium/drivers/llvmpipe/lp_screen.c @@ -192,6 +192,8 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: return 1024; + case PIPE_CAP_MAX_VERTEX_STREAMS: + return 1; case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME: return 1; case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c index 5c3d7838d62..c79626b67fe 100644 --- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c +++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c @@ -117,6 +117,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS: case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: + case PIPE_CAP_MAX_VERTEX_STREAMS: case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: case PIPE_CAP_TEXTURE_BARRIER: case PIPE_CAP_SEAMLESS_CUBE_MAP: diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c index c09a8c6cad9..40ad4a4cc3b 100644 --- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c +++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c @@ -116,6 +116,8 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: return 1024; + case PIPE_CAP_MAX_VERTEX_STREAMS: + return 1; case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: return 256; case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT: diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c index 52a067e3ad9..510368b9b83 100644 --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c @@ -103,6 +103,8 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: return 1024; + case PIPE_CAP_MAX_VERTEX_STREAMS: + return 1; case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: return 256; case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT: diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c index d4bb6abd71d..bcd0e8ed818 100644 --- a/src/gallium/drivers/r300/r300_screen.c +++ b/src/gallium/drivers/r300/r300_screen.c @@ -156,6 +156,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param) case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS: case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: + case PIPE_CAP_MAX_VERTEX_STREAMS: case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME: case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c index 6f87c78bdd0..78a85ab86ff 100644 --- a/src/gallium/drivers/r600/r600_pipe.c +++ b/src/gallium/drivers/r600/r600_pipe.c @@ -333,6 +333,8 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param) return 1024; case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: return 16384; + case PIPE_CAP_MAX_VERTEX_STREAMS: + return 1; /* Texturing. */ case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c index 07f429164d7..d4dfdd69174 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.c +++ b/src/gallium/drivers/radeonsi/si_pipe.c @@ -271,6 +271,8 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param) return 1024; case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: return 4095; + case PIPE_CAP_MAX_VERTEX_STREAMS: + return 1; /* Texturing. */ case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c index d82fed91d4a..ee3e0f2aef6 100644 --- a/src/gallium/drivers/softpipe/sp_screen.c +++ b/src/gallium/drivers/softpipe/sp_screen.c @@ -120,6 +120,8 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: return 1024; + case PIPE_CAP_MAX_VERTEX_STREAMS: + return 1; case PIPE_CAP_PRIMITIVE_RESTART: return 1; case PIPE_CAP_SHADER_STENCIL_EXPORT: diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c index 4e1e3316bca..0e88132ccc3 100644 --- a/src/gallium/drivers/svga/svga_screen.c +++ b/src/gallium/drivers/svga/svga_screen.c @@ -255,6 +255,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME: case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: + case PIPE_CAP_MAX_VERTEX_STREAMS: case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY: case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY: diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h index 90f64934afe..702bb0b830b 100644 --- a/src/gallium/include/pipe/p_defines.h +++ b/src/gallium/include/pipe/p_defines.h @@ -558,7 +558,8 @@ enum pipe_cap { PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET = 96, PIPE_CAP_SAMPLE_SHADING = 97, PIPE_CAP_TEXTURE_GATHER_OFFSETS = 98, - PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION = 99 + PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION = 99, + PIPE_CAP_MAX_VERTEX_STREAMS = 100, }; #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0) diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index e938046892a..3b6681ea65b 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -287,6 +287,11 @@ void st_init_limits(struct st_context *st) screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS); c->MaxTransformFeedbackInterleavedComponents = screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS); + c->MaxVertexStreams = + MAX2(1, screen->get_param(screen, PIPE_CAP_MAX_VERTEX_STREAMS)); + + /* The vertex stream must fit into pipe_stream_output_info::stream */ + assert(c->MaxVertexStreams <= 4); c->StripTextureBorder = GL_TRUE;