[Spice-devel] [PATCH] [xf86-video-qxl] In XSpice mode, enable the ability to specify the various ram buffer sizes.
Marc-André Lureau
mlureau at redhat.com
Fri Aug 22 04:55:19 PDT 2014
Hi Jeremy
I wish we could have dynamic allocation for Xspice, avoiding those parameters, but this could be improved later.
Few remarks below:
----- Original Message -----
> Also adjust the mode selection to fit, and add a few larger modes.
>
> Signed-off-by: Jeremy White <jwhite at codeweavers.com>
> ---
> examples/spiceqxl.xorg.conf.example | 13 +++++++++++++
> src/qxl.h | 3 +++
> src/qxl_driver.c | 19 +++++++++++++++----
> src/spiceqxl_driver.c | 33 +++++++++++++++------------------
> src/spiceqxl_driver.h | 7 +++----
> 5 files changed, 49 insertions(+), 26 deletions(-)
>
> diff --git a/examples/spiceqxl.xorg.conf.example
> b/examples/spiceqxl.xorg.conf.example
> index be8a16b..8fd5d2f 100644
> --- a/examples/spiceqxl.xorg.conf.example
> +++ b/examples/spiceqxl.xorg.conf.example
> @@ -96,6 +96,19 @@ Section "Device"
> # defaults to 4
> #Option "NumHeads" "4"
>
> + # The amount of frame buffer ram, in megabytes, to allocate
> + # defaults to 16
> + #Option "FrameBufferSize" "16"
> +
> + # The amount of surface buffer ram, in megabytes, to allocate
> + # Must be larger than FrameBufferSize
Is there a runtime check for that?
> + # defaults to 128
> + #Option "SurfaceBufferSize" "128"
> +
> + # The amount of command buffer ram, in megabytes, to allocate
> + # defaults to 128
> + #Option "CommandBufferSize" "128"
> +
> # Set Spice Agent Mouse
> # defaults to false
> #Option "SpiceAgentMouse" "False"
> diff --git a/src/qxl.h b/src/qxl.h
> index 19555ba..fa9b13f 100644
> --- a/src/qxl.h
> +++ b/src/qxl.h
> @@ -154,6 +154,9 @@ enum {
> OPTION_SPICE_VDAGENT_UINPUT_PATH,
> OPTION_SPICE_VDAGENT_UID,
> OPTION_SPICE_VDAGENT_GID,
> + OPTION_FRAME_BUFFER_SIZE,
> + OPTION_SURFACE_BUFFER_SIZE,
> + OPTION_COMMAND_BUFFER_SIZE,
> #endif
> OPTION_COUNT,
> };
> diff --git a/src/qxl_driver.c b/src/qxl_driver.c
> index d9bf447..87cdca4 100644
> --- a/src/qxl_driver.c
> +++ b/src/qxl_driver.c
> @@ -146,6 +146,12 @@ const OptionInfoRec DefaultOptions[] =
> "SpiceVdagentUid", OPTV_INTEGER, {0}, FALSE},
> { OPTION_SPICE_VDAGENT_GID,
> "SpiceVdagentGid", OPTV_INTEGER, {0}, FALSE},
> + { OPTION_FRAME_BUFFER_SIZE,
> + "FrameBufferSize", OPTV_INTEGER,
> {DEFAULT_FRAME_BUFFER_SIZE}, FALSE},
> + { OPTION_SURFACE_BUFFER_SIZE,
> + "SurfaceBufferSize", OPTV_INTEGER,
> {DEFAULT_SURFACE_BUFFER_SIZE}, FALSE},
> + { OPTION_COMMAND_BUFFER_SIZE,
> + "CommandBufferSize", OPTV_INTEGER,
> {DEFAULT_COMMAND_BUFFER_SIZE}, FALSE},
> #endif
>
> { -1, NULL, OPTV_NONE, {0}, FALSE }
> @@ -190,11 +196,9 @@ unmap_memory_helper (qxl_screen_t *qxl)
> static void
> map_memory_helper (qxl_screen_t *qxl)
> {
> - qxl->ram = calloc (RAM_SIZE, 1);
> - qxl->ram_size = RAM_SIZE;
> + qxl->ram = calloc (qxl->ram_size, 1);
> qxl->ram_physical = qxl->ram;
> - qxl->vram = calloc (VRAM_SIZE, 1);
> - qxl->vram_size = VRAM_SIZE;
> + qxl->vram = calloc (qxl->vram_size, 1);
> qxl->vram_physical = qxl->vram;
> qxl->rom = calloc (ROM_SIZE, 1);
>
> @@ -1081,6 +1085,13 @@ qxl_pre_init (ScrnInfoPtr pScrn, int flags)
> strncpy(qxl->playback_fifo_dir, playback_fifo_dir,
> sizeof(qxl->playback_fifo_dir));
> else
> qxl->playback_fifo_dir[0] = '\0';
> +
> + qxl->surface0_size =
> + get_int_option (qxl->options, OPTION_FRAME_BUFFER_SIZE,
> "QXL_FRAME_BUFFER_SIZE") << 20L;
> + qxl->vram_size =
> + get_int_option (qxl->options, OPTION_SURFACE_BUFFER_SIZE,
> "QXL_SURFACE_BUFFER_SIZE") << 20L;
> + qxl->ram_size =
> + get_int_option (qxl->options, OPTION_COMMAND_BUFFER_SIZE,
> "QXL_COMMAND_BUFFER_SIZE") << 20L;
> #endif
>
> if (!qxl_map_memory (qxl, scrnIndex))
> diff --git a/src/spiceqxl_driver.c b/src/spiceqxl_driver.c
> index 990467f..1561562 100644
> --- a/src/spiceqxl_driver.c
> +++ b/src/spiceqxl_driver.c
> @@ -83,20 +83,18 @@ static QXLMode qxl_modes[] = {
> QXL_MODE_EX(1600, 1200),
> QXL_MODE_EX(1680, 1050),
> QXL_MODE_EX(1920, 1080),
> -#if VGA_RAM_SIZE >= (16 * 1024 * 1024)
> - /* these modes need more than 8 MB video memory */
> QXL_MODE_EX(1920, 1200),
> QXL_MODE_EX(1920, 1440),
> QXL_MODE_EX(2048, 1536),
> QXL_MODE_EX(2560, 1440),
> QXL_MODE_EX(2560, 1600),
> -#endif
> -#if VGA_RAM_SIZE >= (32 * 1024 * 1024)
> - /* these modes need more than 16 MB video memory */
> + QXL_MODE_EX(3840, 1080),
> QXL_MODE_EX(2560, 2048),
> QXL_MODE_EX(2800, 2100),
> QXL_MODE_EX(3200, 2400),
> -#endif
> + QXL_MODE_EX(5760, 1080),
> + QXL_MODE_EX(7680, 1080),
> +
> };
>
>
> @@ -106,9 +104,8 @@ void init_qxl_rom(qxl_screen_t* qxl, uint32_t rom_size)
> QXLRom *rom = qxl->rom;
> struct QXLModes *modes = (struct QXLModes *)(rom + 1);
> uint32_t ram_header_size;
> - uint32_t surface0_area_size;
> uint32_t num_pages;
> - uint32_t fb, maxfb = 0;
> + uint32_t fb;
> int i;
>
> memset(rom, 0, rom_size);
> @@ -127,9 +124,12 @@ void init_qxl_rom(qxl_screen_t* qxl, uint32_t rom_size)
> modes->n_modes = (SPICE_ARRAY_SIZE(qxl_modes));
> for (i = 0; i < modes->n_modes; i++) {
> fb = qxl_modes[i].y_res * qxl_modes[i].stride;
> - if (maxfb < fb) {
> - maxfb = fb;
> + if (fb > qxl->surface0_size)
> + {
> + modes->n_modes--; i--;
> + continue;
Isn't this going to check the same qxl_modes[i] until i == modes->n_modes?
> }
> +
> modes->modes[i].id = (i);
> modes->modes[i].x_res = (qxl_modes[i].x_res);
> modes->modes[i].y_res = (qxl_modes[i].y_res);
> @@ -139,21 +139,18 @@ void init_qxl_rom(qxl_screen_t* qxl, uint32_t rom_size)
> modes->modes[i].y_mili = (qxl_modes[i].y_mili);
> modes->modes[i].orientation = (qxl_modes[i].orientation);
> }
> - if (maxfb < VGA_RAM_SIZE) // TODO - id != 0? (in original code from
> qxl.c)
> - maxfb = VGA_RAM_SIZE;
>
> ram_header_size = ALIGN(sizeof(struct QXLRam), 4096);
> - surface0_area_size = ALIGN(maxfb, 4096);
> - num_pages = VRAM_SIZE;
> + num_pages = qxl->vram_size;
> num_pages -= ram_header_size;
> - num_pages -= surface0_area_size;
> + num_pages -= qxl->surface0_size;
> num_pages = num_pages / TARGET_PAGE_SIZE;
>
> rom->draw_area_offset = (0);
> - rom->surface0_area_size = (surface0_area_size);
> - rom->pages_offset = (surface0_area_size);
> + rom->surface0_area_size = (qxl->surface0_size);
> + rom->pages_offset = (rom->surface0_area_size);
> rom->num_pages = (num_pages);
> - rom->ram_header_offset = (VRAM_SIZE - ram_header_size);
> + rom->ram_header_offset = (qxl->vram_size - ram_header_size);
>
> qxl->shadow_rom = *qxl->rom; // TODO - do we need this?
> }
> diff --git a/src/spiceqxl_driver.h b/src/spiceqxl_driver.h
> index c1a7c48..35d0f42 100644
> --- a/src/spiceqxl_driver.h
> +++ b/src/spiceqxl_driver.h
> @@ -23,10 +23,9 @@
> #ifndef SPICEQXL_DRIVER_H
> #define SPICEQXL_DRIVER_H 1
>
> -#define VGA_RAM_SIZE (16 * 1024 * 1024)
> -
> -#define RAM_SIZE (128L<<20) // must be >VGA_RAM_SIZE
> -#define VRAM_SIZE (128L<<20)
> +#define DEFAULT_FRAME_BUFFER_SIZE 16
> +#define DEFAULT_SURFACE_BUFFER_SIZE 128
> +#define DEFAULT_COMMAND_BUFFER_SIZE 128
> #define ROM_SIZE (1<<20) // TODO - put correct size
>
> void init_qxl_rom(qxl_screen_t* qxl, uint32_t rom_size);
> --
> 1.7.10.4
>
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