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dri: Handle configs with floating point pixel data

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In order to handle pixel formats that consist of floating point data, enable
floatMode field in the dri config, and set __DRI_ATTRIB_FLOAT_BIT in the
render type attribute.

Signed-off-by: Kevin Strasser <kevin.strasser@intel.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
This commit is contained in:
Kevin Strasser 2019-01-24 16:44:06 -08:00 • committed by Adam Jackson
parent d4a9010338
commit 86d31c2c12
1 changed files with 5 additions and 0 deletions
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5
src/mesa/drivers/dri/common/utils.c
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@ -226,6 +226,7 @@ driCreateConfigs(mesa_format format,
int blue_bits;
int alpha_bits;
bool is_srgb;
bool is_float;
switch (format) {
case MESA_FORMAT_B5G6R5_UNORM:
@ -279,6 +280,7 @@ driCreateConfigs(mesa_format format,
blue_bits = _mesa_get_format_bits(format, GL_BLUE_BITS);
alpha_bits = _mesa_get_format_bits(format, GL_ALPHA_BITS);
is_srgb = _mesa_is_format_srgb(format);
is_float = _mesa_get_format_datatype(format) == GL_FLOAT;
num_modes = num_depth_stencil_bits * num_db_modes * num_accum_bits * num_msaa_modes;
configs = calloc(num_modes + 1, sizeof *configs);
@ -308,6 +310,7 @@ driCreateConfigs(mesa_format format,
c++;
memset(modes, 0, sizeof *modes);
modes->floatMode = is_float;
modes->redBits = red_bits;
modes->greenBits = green_bits;
modes->blueBits = blue_bits;
@ -481,6 +484,8 @@ driGetConfigAttribIndex(const __DRIconfig *config,
case __DRI_ATTRIB_RENDER_TYPE:
/* no support for color index mode */
*value = __DRI_ATTRIB_RGBA_BIT;
if (config->modes.floatMode)
*value |= __DRI_ATTRIB_FLOAT_BIT;
break;
case __DRI_ATTRIB_CONFIG_CAVEAT:
if (config->modes.visualRating == GLX_NON_CONFORMANT_CONFIG)