From 4bc9130fba2f815cb910536d3d3a253a8c3ed0b9 Mon Sep 17 00:00:00 2001 From: Edward O'Callaghan Date: Wed, 17 Feb 2016 20:59:52 +1100 Subject: [PATCH 1/1] gallium: Add PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add PIPE_CAP to determine if the GL extension 'GL_ARB_framebuffer_no_attachments' shall be supported. The driver is required to support 'PIPE_FORMAT_NONE' via its 'is_format_supported()' callback in order to determine the MSAA modes the hardware supports so that values requested from the application using 'GL_ARB_framebuffer_no_attachments' may be quantized to what the hardware expects. V.2: Fix doc for a more detailed description of the PIPE_CAP and the corresponding GL constant. V.3: Renamed and repurposed once again. V.4: Remove CAP from cap_mapping array. [airlied: fix damaged whitespace] Signed-off-by: Edward O'Callaghan Reviewed-by: Marek Olšák Signed-off-by: Dave Airlie --- src/gallium/docs/source/screen.rst | 8 ++++++++ src/gallium/drivers/freedreno/freedreno_screen.c | 1 + src/gallium/drivers/i915/i915_screen.c | 1 + src/gallium/drivers/ilo/ilo_screen.c | 1 + src/gallium/drivers/llvmpipe/lp_screen.c | 1 + src/gallium/drivers/nouveau/nv30/nv30_screen.c | 1 + src/gallium/drivers/nouveau/nv50/nv50_screen.c | 1 + src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 1 + src/gallium/drivers/r300/r300_screen.c | 1 + src/gallium/drivers/r600/r600_pipe.c | 1 + src/gallium/drivers/radeonsi/si_pipe.c | 1 + src/gallium/drivers/softpipe/sp_screen.c | 1 + src/gallium/drivers/svga/svga_screen.c | 1 + src/gallium/drivers/vc4/vc4_screen.c | 1 + src/gallium/drivers/virgl/virgl_screen.c | 1 + src/gallium/include/pipe/p_defines.h | 1 + 16 files changed, 23 insertions(+) diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst index 47a19de6ea9..824f580ed44 100644 --- a/src/gallium/docs/source/screen.rst +++ b/src/gallium/docs/source/screen.rst @@ -323,6 +323,14 @@ The integer capabilities: * ``PIPE_CAP_PCI_BUS``: Return the PCI bus number. * ``PIPE_CAP_PCI_DEVICE``: Return the PCI device number. * ``PIPE_CAP_PCI_FUNCTION``: Return the PCI function number. +* ``PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT``: + If non-zero, rendering to framebuffers with no surface attachments + is supported. The context->is_format_supported function will be expected + to be implemented with PIPE_FORMAT_NONE yeilding the MSAA modes the hardware + supports. N.B., The maximum number of layers supported for rasterizing a + primitive on a layer is obtained from ``PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS`` + even though it can be larger than the number of layers supported by either + rendering or textures. .. _pipe_capf: diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c index d47cb07f10b..707be17513b 100644 --- a/src/gallium/drivers/freedreno/freedreno_screen.c +++ b/src/gallium/drivers/freedreno/freedreno_screen.c @@ -255,6 +255,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_INVALIDATE_BUFFER: case PIPE_CAP_GENERATE_MIPMAP: case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; case PIPE_CAP_MAX_VIEWPORTS: diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c index f4aa310ecdc..68e32e51c34 100644 --- a/src/gallium/drivers/i915/i915_screen.c +++ b/src/gallium/drivers/i915/i915_screen.c @@ -269,6 +269,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap) case PIPE_CAP_PCI_BUS: case PIPE_CAP_PCI_DEVICE: case PIPE_CAP_PCI_FUNCTION: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: diff --git a/src/gallium/drivers/ilo/ilo_screen.c b/src/gallium/drivers/ilo/ilo_screen.c index 7812c826250..142d6f1fa21 100644 --- a/src/gallium/drivers/ilo/ilo_screen.c +++ b/src/gallium/drivers/ilo/ilo_screen.c @@ -498,6 +498,7 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_PCI_BUS: case PIPE_CAP_PCI_DEVICE: case PIPE_CAP_PCI_FUNCTION: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; case PIPE_CAP_VENDOR_ID: diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c index 2529b546564..6a5f906adc6 100644 --- a/src/gallium/drivers/llvmpipe/lp_screen.c +++ b/src/gallium/drivers/llvmpipe/lp_screen.c @@ -319,6 +319,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_PCI_BUS: case PIPE_CAP_PCI_DEVICE: case PIPE_CAP_PCI_FUNCTION: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; } /* should only get here on unhandled cases */ diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c index b105c6aeb80..db7c2d15fb1 100644 --- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c +++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c @@ -192,6 +192,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_PCI_BUS: case PIPE_CAP_PCI_DEVICE: case PIPE_CAP_PCI_FUNCTION: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; case PIPE_CAP_VENDOR_ID: diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c index ba5e5003b69..20fb61b51f4 100644 --- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c +++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c @@ -245,6 +245,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_PCI_BUS: case PIPE_CAP_PCI_DEVICE: case PIPE_CAP_PCI_FUNCTION: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; case PIPE_CAP_VENDOR_ID: diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c index ec2340ee0c3..c41912a6037 100644 --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c @@ -251,6 +251,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_PCI_BUS: case PIPE_CAP_PCI_DEVICE: case PIPE_CAP_PCI_FUNCTION: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; case PIPE_CAP_VENDOR_ID: diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c index 1c3bb64f0e4..b3a7f049e10 100644 --- a/src/gallium/drivers/r300/r300_screen.c +++ b/src/gallium/drivers/r300/r300_screen.c @@ -214,6 +214,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param) case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS: case PIPE_CAP_QUERY_BUFFER_OBJECT: case PIPE_CAP_QUERY_MEMORY_INFO: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; /* SWTCL-only features. */ diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c index c97e34121e3..e6eec3bcf70 100644 --- a/src/gallium/drivers/r600/r600_pipe.c +++ b/src/gallium/drivers/r600/r600_pipe.c @@ -364,6 +364,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param) case PIPE_CAP_GENERATE_MIPMAP: case PIPE_CAP_STRING_MARKER: case PIPE_CAP_QUERY_BUFFER_OBJECT: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS: diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c index 407b9e19cc4..275b6767be4 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.c +++ b/src/gallium/drivers/radeonsi/si_pipe.c @@ -356,6 +356,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param) case PIPE_CAP_GENERATE_MIPMAP: case PIPE_CAP_STRING_MARKER: case PIPE_CAP_QUERY_BUFFER_OBJECT: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS: diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c index bfd3598fc57..90f29d6e52a 100644 --- a/src/gallium/drivers/softpipe/sp_screen.c +++ b/src/gallium/drivers/softpipe/sp_screen.c @@ -270,6 +270,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_PCI_BUS: case PIPE_CAP_PCI_DEVICE: case PIPE_CAP_PCI_FUNCTION: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; } /* should only get here on unhandled cases */ diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c index c0873c0c65a..ccf794ecda7 100644 --- a/src/gallium/drivers/svga/svga_screen.c +++ b/src/gallium/drivers/svga/svga_screen.c @@ -404,6 +404,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL: case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY: case PIPE_CAP_QUERY_BUFFER_OBJECT: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; } diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c index 92d910ba6a5..167a2f5bd8e 100644 --- a/src/gallium/drivers/vc4/vc4_screen.c +++ b/src/gallium/drivers/vc4/vc4_screen.c @@ -207,6 +207,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_PCI_BUS: case PIPE_CAP_PCI_DEVICE: case PIPE_CAP_PCI_FUNCTION: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; /* Stream output. */ diff --git a/src/gallium/drivers/virgl/virgl_screen.c b/src/gallium/drivers/virgl/virgl_screen.c index 8126bdec40c..5a5afc1712f 100644 --- a/src/gallium/drivers/virgl/virgl_screen.c +++ b/src/gallium/drivers/virgl/virgl_screen.c @@ -239,6 +239,7 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_PCI_BUS: case PIPE_CAP_PCI_DEVICE: case PIPE_CAP_PCI_FUNCTION: + case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return 0; case PIPE_CAP_VENDOR_ID: return 0x1af4; diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h index 6f30f9ed7d3..5e204a3e5ea 100644 --- a/src/gallium/include/pipe/p_defines.h +++ b/src/gallium/include/pipe/p_defines.h @@ -690,6 +690,7 @@ enum pipe_cap PIPE_CAP_PCI_BUS, PIPE_CAP_PCI_DEVICE, PIPE_CAP_PCI_FUNCTION, + PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT, }; #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0) -- 2.30.2