[Mesa-dev] [PATCH 2/5] mesa: implement GL_NVX_gpu_memory_info
Roland Scheidegger
sroland at vmware.com
Tue Feb 2 15:02:30 UTC 2016
Does anyone use these extensions?
I suppose maybe to get the total amount of video memory?
>From the dynamic counts, I would have thought the eviction one would be
the most interesting, but this one isn't implemented. Ah well I guess a
sloppily implemented extension is better than none.
Roland
Am 02.02.2016 um 14:45 schrieb Marek Olšák:
> From: Marek Olšák <marek.olsak at amd.com>
>
> ---
> src/mapi/glapi/gen/gl_API.xml | 8 ++++++++
> src/mesa/main/dd.h | 10 ++++++++++
> src/mesa/main/extensions_table.h | 1 +
> src/mesa/main/get.c | 30 ++++++++++++++++++++++++++++++
> src/mesa/main/get_hash_params.py | 7 +++++++
> src/mesa/main/mtypes.h | 1 +
> 6 files changed, 57 insertions(+)
>
> diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
> index d7ab3bf..09dda19 100644
> --- a/src/mapi/glapi/gen/gl_API.xml
> +++ b/src/mapi/glapi/gen/gl_API.xml
> @@ -12714,6 +12714,14 @@
> <enum name="EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD" value="0x9160"/>
> </category>
>
> +<category name="GL_NVX_gpu_memory_info" number="438">
> + <enum name="GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX" value="0x9047" />
> + <enum name="GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX" value="0x9048" />
> + <enum name="GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX" value="0x9049" />
> + <enum name="GPU_MEMORY_INFO_EVICTION_COUNT_NVX" value="0x904A" />
> + <enum name="GPU_MEMORY_INFO_EVICTED_MEMORY_NVX" value="0x904B" />
> +</category>
> +
> <xi:include href="INTEL_performance_query.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
>
> <category name="GL_EXT_polygon_offset_clamp" number="460">
> diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
> index d4378e5..d34e610 100644
> --- a/src/mesa/main/dd.h
> +++ b/src/mesa/main/dd.h
> @@ -939,6 +939,16 @@ struct dd_function_table {
> void (*DispatchCompute)(struct gl_context *ctx, const GLuint *num_groups);
> void (*DispatchComputeIndirect)(struct gl_context *ctx, GLintptr indirect);
> /*@}*/
> +
> + /**
> + * Query information about memory. Device memory is e.g. VRAM. Staging
> + * memory is e.g. GART. All sizes are in kilobytes.
> + */
> + void (*QueryMemoryInfo)(struct gl_context *ctx,
> + unsigned *total_device_memory,
> + unsigned *avail_device_memory,
> + unsigned *total_staging_memory,
> + unsigned *avail_staging_memory);
> };
>
>
> diff --git a/src/mesa/main/extensions_table.h b/src/mesa/main/extensions_table.h
> index ad5dc60..dfccb73 100644
> --- a/src/mesa/main/extensions_table.h
> +++ b/src/mesa/main/extensions_table.h
> @@ -291,6 +291,7 @@ EXT(NV_texture_barrier , NV_texture_barrier
> EXT(NV_texture_env_combine4 , NV_texture_env_combine4 , GLL, x , x , x , 1999)
> EXT(NV_texture_rectangle , NV_texture_rectangle , GLL, x , x , x , 2000)
> EXT(NV_vdpau_interop , NV_vdpau_interop , GLL, GLC, x , x , 2010)
> +EXT(NVX_gpu_memory_info , NVX_gpu_memory_info , GLL, GLC, x , x , 2013)
>
> EXT(OES_EGL_image , OES_EGL_image , GLL, GLC, ES1, ES2, 2006) /* FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */
> EXT(OES_EGL_image_external , OES_EGL_image_external , x , x , ES1, ES2, 2010)
> diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
> index 0434836..dbc8605 100644
> --- a/src/mesa/main/get.c
> +++ b/src/mesa/main/get.c
> @@ -449,6 +449,7 @@ EXTRA_EXT(ARB_tessellation_shader);
> EXTRA_EXT(ARB_shader_subroutine);
> EXTRA_EXT(ARB_shader_storage_buffer_object);
> EXTRA_EXT(ARB_indirect_parameters);
> +EXTRA_EXT(NVX_gpu_memory_info);
>
> static const int
> extra_ARB_color_buffer_float_or_glcore[] = {
> @@ -1080,6 +1081,35 @@ find_custom_value(struct gl_context *ctx, const struct value_desc *d, union valu
> case GL_DISPATCH_INDIRECT_BUFFER_BINDING:
> v->value_int = ctx->DispatchIndirectBuffer->Name;
> break;
> + /* GL_NVX_gpu_memory_info */
> + case GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX:
> + case GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX:
> + case GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX:
> + {
> + unsigned total_device_memory;
> + unsigned avail_device_memory;
> + unsigned total_staging_memory;
> + unsigned avail_staging_memory;
> +
> + ctx->Driver.QueryMemoryInfo(ctx,
> + &total_device_memory,
> + &avail_device_memory,
> + &total_staging_memory,
> + &avail_staging_memory);
> +
> + if (d->pname == GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX)
> + v->value_int = total_device_memory;
> + else if (d->pname == GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX)
> + v->value_int = total_device_memory + total_staging_memory;
> + else if (d->pname == GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX)
> + v->value_int = avail_device_memory;
> + }
> + break;
> + case GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX:
> + case GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX:
> + /* not interested in returning anything useful here */
> + v->value_int = 0;
> + break;
> }
> }
>
> diff --git a/src/mesa/main/get_hash_params.py b/src/mesa/main/get_hash_params.py
> index 04aec03..be4e030 100644
> --- a/src/mesa/main/get_hash_params.py
> +++ b/src/mesa/main/get_hash_params.py
> @@ -847,6 +847,13 @@ descriptor=[
> # GL_ARB_shader_storage_buffer_object
> [ "MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS", "CONTEXT_INT(Const.Program[MESA_SHADER_TESS_CTRL].MaxShaderStorageBlocks), extra_ARB_shader_storage_buffer_object" ],
> [ "MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS", "CONTEXT_INT(Const.Program[MESA_SHADER_TESS_EVAL].MaxShaderStorageBlocks), extra_ARB_shader_storage_buffer_object" ],
> +
> +# GL_NVX_gpu_memory_info
> + [ "GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX", "LOC_CUSTOM, TYPE_INT, NO_OFFSET, extra_NVX_gpu_memory_info" ],
> + [ "GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX", "LOC_CUSTOM, TYPE_INT, NO_OFFSET, extra_NVX_gpu_memory_info" ],
> + [ "GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX", "LOC_CUSTOM, TYPE_INT, NO_OFFSET, extra_NVX_gpu_memory_info" ],
> + [ "GPU_MEMORY_INFO_EVICTION_COUNT_NVX", "LOC_CUSTOM, TYPE_INT, NO_OFFSET, extra_NVX_gpu_memory_info" ],
> + [ "GPU_MEMORY_INFO_EVICTED_MEMORY_NVX", "LOC_CUSTOM, TYPE_INT, NO_OFFSET, extra_NVX_gpu_memory_info" ],
> ]},
>
> # Enums restricted to OpenGL Core profile
> diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
> index 101283c..805f2cd 100644
> --- a/src/mesa/main/mtypes.h
> +++ b/src/mesa/main/mtypes.h
> @@ -3897,6 +3897,7 @@ struct gl_extensions
> GLboolean NV_texture_env_combine4;
> GLboolean NV_texture_rectangle;
> GLboolean NV_vdpau_interop;
> + GLboolean NVX_gpu_memory_info;
> GLboolean TDFX_texture_compression_FXT1;
> GLboolean OES_EGL_image;
> GLboolean OES_draw_texture;
>
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