[Mesa-dev] [PATCH 1/3] dri: add a way to request that modes have matching color/zs depths
Marek Olšák
maraeo at gmail.com
Mon Aug 22 13:43:04 UTC 2016
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Where are patches 2 & 3?
Marek
On Mon, Aug 22, 2016 at 3:06 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> Some GPUs, notably nv3x/nv4x can't render to mismatched color/zs
> framebuffer depths. Fallbacks can be done by the driver, with shadow
> surfaces, but no reason to encourage applications to select non-matching
> glx visuals.
>
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> ---
> src/gallium/state_trackers/dri/dri_screen.c | 4 ++--
> src/mesa/drivers/dri/common/utils.c | 21 ++++++++++++++++++---
> src/mesa/drivers/dri/common/utils.h | 2 +-
> src/mesa/drivers/dri/i915/intel_screen.c | 4 ++--
> src/mesa/drivers/dri/i965/intel_screen.c | 6 +++---
> src/mesa/drivers/dri/nouveau/nouveau_screen.c | 2 +-
> src/mesa/drivers/dri/radeon/radeon_screen.c | 2 +-
> src/mesa/drivers/dri/swrast/swrast.c | 2 +-
> 8 files changed, 29 insertions(+), 14 deletions(-)
>
> diff --git a/src/gallium/state_trackers/dri/dri_screen.c b/src/gallium/state_trackers/dri/dri_screen.c
> index b16585a..5f4fb8a 100644
> --- a/src/gallium/state_trackers/dri/dri_screen.c
> +++ b/src/gallium/state_trackers/dri/dri_screen.c
> @@ -214,7 +214,7 @@ dri_fill_in_modes(struct dri_screen *screen)
> depth_buffer_factor, back_buffer_modes,
> ARRAY_SIZE(back_buffer_modes),
> msaa_modes, 1,
> - GL_TRUE);
> + GL_TRUE, GL_FALSE);
> configs = driConcatConfigs(configs, new_configs);
>
> /* Multi-sample configs without an accumulation buffer. */
> @@ -224,7 +224,7 @@ dri_fill_in_modes(struct dri_screen *screen)
> depth_buffer_factor, back_buffer_modes,
> ARRAY_SIZE(back_buffer_modes),
> msaa_modes+1, num_msaa_modes-1,
> - GL_FALSE);
> + GL_FALSE, GL_FALSE);
> configs = driConcatConfigs(configs, new_configs);
> }
> }
> diff --git a/src/mesa/drivers/dri/common/utils.c b/src/mesa/drivers/dri/common/utils.c
> index 4b2e89c..c37d446 100644
> --- a/src/mesa/drivers/dri/common/utils.c
> +++ b/src/mesa/drivers/dri/common/utils.c
> @@ -143,8 +143,10 @@ driGetRendererString( char * buffer, const char * hardware_name,
> * \param msaa_samples Array of msaa sample count. 0 represents a visual
> * without a multisample buffer.
> * \param num_msaa_modes Number of entries in \c msaa_samples.
> - * \param visType GLX visual type. Usually either \c GLX_TRUE_COLOR or
> - * \c GLX_DIRECT_COLOR.
> + * \param enable_accum Add an accum buffer to the configs
> + * \param color_depth_match Whether the color depth must match the zs depth
> + * This forces 32-bit color to have 24-bit depth, and
> + * 16-bit color to have 16-bit depth.
> *
> * \returns
> * Pointer to any array of pointers to the \c __DRIconfig structures created
> @@ -158,7 +160,7 @@ driCreateConfigs(mesa_format format,
> unsigned num_depth_stencil_bits,
> const GLenum * db_modes, unsigned num_db_modes,
> const uint8_t * msaa_samples, unsigned num_msaa_modes,
> - GLboolean enable_accum)
> + GLboolean enable_accum, GLboolean color_depth_match)
> {
> static const uint32_t masks_table[][4] = {
> /* MESA_FORMAT_B5G6R5_UNORM */
> @@ -236,6 +238,19 @@ driCreateConfigs(mesa_format format,
> for ( i = 0 ; i < num_db_modes ; i++ ) {
> for ( h = 0 ; h < num_msaa_modes; h++ ) {
> for ( j = 0 ; j < num_accum_bits ; j++ ) {
> + if (color_depth_match &&
> + (depth_bits[k] || stencil_bits[k])) {
> + /* Depth can really only be 0, 16, 24, or 32. A 32-bit
> + * color format still matches 24-bit depth, as there
> + * is an implicit 8-bit stencil. So really we just
> + * need to make sure that color/depth are both 16 or
> + * both non-16.
> + */
> + if ((depth_bits[k] + stencil_bits[k] == 16) !=
> + (red_bits + green_bits + blue_bits + alpha_bits == 16))
> + continue;
> + }
> +
> *c = malloc (sizeof **c);
> modes = &(*c)->modes;
> c++;
> diff --git a/src/mesa/drivers/dri/common/utils.h b/src/mesa/drivers/dri/common/utils.h
> index f6b8d7c..7be0465 100644
> --- a/src/mesa/drivers/dri/common/utils.h
> +++ b/src/mesa/drivers/dri/common/utils.h
> @@ -45,7 +45,7 @@ driCreateConfigs(mesa_format format,
> unsigned num_depth_stencil_bits,
> const GLenum * db_modes, unsigned num_db_modes,
> const uint8_t * msaa_samples, unsigned num_msaa_modes,
> - GLboolean enable_accum);
> + GLboolean enable_accum, GLboolean color_depth_match);
>
> __DRIconfig **driConcatConfigs(__DRIconfig **a,
> __DRIconfig **b);
> diff --git a/src/mesa/drivers/dri/i915/intel_screen.c b/src/mesa/drivers/dri/i915/intel_screen.c
> index 77af328..77f03fa 100644
> --- a/src/mesa/drivers/dri/i915/intel_screen.c
> +++ b/src/mesa/drivers/dri/i915/intel_screen.c
> @@ -1081,7 +1081,7 @@ intel_screen_make_configs(__DRIscreen *dri_screen)
> num_depth_stencil_bits,
> back_buffer_modes, 2,
> singlesample_samples, 1,
> - false);
> + false, false);
> configs = driConcatConfigs(configs, new_configs);
> }
>
> @@ -1103,7 +1103,7 @@ intel_screen_make_configs(__DRIscreen *dri_screen)
> depth_bits, stencil_bits, 1,
> back_buffer_modes, 1,
> singlesample_samples, 1,
> - true);
> + true, false);
> configs = driConcatConfigs(configs, new_configs);
> }
>
> diff --git a/src/mesa/drivers/dri/i965/intel_screen.c b/src/mesa/drivers/dri/i965/intel_screen.c
> index ae51c40..9df888d 100644
> --- a/src/mesa/drivers/dri/i965/intel_screen.c
> +++ b/src/mesa/drivers/dri/i965/intel_screen.c
> @@ -1328,7 +1328,7 @@ intel_screen_make_configs(__DRIscreen *dri_screen)
> num_depth_stencil_bits,
> back_buffer_modes, 2,
> singlesample_samples, 1,
> - false);
> + false, false);
> configs = driConcatConfigs(configs, new_configs);
> }
>
> @@ -1350,7 +1350,7 @@ intel_screen_make_configs(__DRIscreen *dri_screen)
> depth_bits, stencil_bits, 1,
> back_buffer_modes, 1,
> singlesample_samples, 1,
> - true);
> + true, false);
> configs = driConcatConfigs(configs, new_configs);
> }
>
> @@ -1398,7 +1398,7 @@ intel_screen_make_configs(__DRIscreen *dri_screen)
> back_buffer_modes, 1,
> multisample_samples,
> num_msaa_modes,
> - false);
> + false, false);
> configs = driConcatConfigs(configs, new_configs);
> }
>
> diff --git a/src/mesa/drivers/dri/nouveau/nouveau_screen.c b/src/mesa/drivers/dri/nouveau/nouveau_screen.c
> index 6f61f66..0545e68 100644
> --- a/src/mesa/drivers/dri/nouveau/nouveau_screen.c
> +++ b/src/mesa/drivers/dri/nouveau/nouveau_screen.c
> @@ -78,7 +78,7 @@ nouveau_get_configs(void)
> ARRAY_SIZE(back_buffer_modes),
> msaa_samples,
> ARRAY_SIZE(msaa_samples),
> - GL_TRUE);
> + GL_TRUE, GL_FALSE);
> assert(config);
>
> configs = driConcatConfigs(configs, config);
> diff --git a/src/mesa/drivers/dri/radeon/radeon_screen.c b/src/mesa/drivers/dri/radeon/radeon_screen.c
> index 98b4741..9a07535 100644
> --- a/src/mesa/drivers/dri/radeon/radeon_screen.c
> +++ b/src/mesa/drivers/dri/radeon/radeon_screen.c
> @@ -813,7 +813,7 @@ __DRIconfig **radeonInitScreen2(__DRIscreen *psp)
> ARRAY_SIZE(back_buffer_modes),
> msaa_samples_array,
> ARRAY_SIZE(msaa_samples_array),
> - GL_TRUE);
> + GL_TRUE, GL_FALSE);
> configs = driConcatConfigs(configs, new_configs);
> }
>
> diff --git a/src/mesa/drivers/dri/swrast/swrast.c b/src/mesa/drivers/dri/swrast/swrast.c
> index 2d4bb70..6d3b00b 100644
> --- a/src/mesa/drivers/dri/swrast/swrast.c
> +++ b/src/mesa/drivers/dri/swrast/swrast.c
> @@ -273,7 +273,7 @@ swrastFillInModes(__DRIscreen *psp,
> depth_bits_array, stencil_bits_array,
> depth_buffer_factor, back_buffer_modes,
> back_buffer_factor, msaa_samples_array, 1,
> - GL_TRUE);
> + GL_TRUE, GL_FALSE);
> if (configs == NULL) {
> fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
> __LINE__);
> --
> 2.7.3
>
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