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.stras...@intel.com>
---
src/mesa/drivers/dri/common/utils.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/mesa/drivers/dri/common/utils.c
b/src/mesa/drivers/dri/common/utils.c
index 1fdc160..a57033b 100644
--- a/src/mesa/drivers/dri/common/utils.c
+++ b/src/mesa/drivers/dri/common/utils.c
@@ -237,6 +237,7 @@ driCreateConfigs(mesa_format format,
int blue_bits;
int alpha_bits;
bool is_srgb;
+ bool is_float;
switch (format) {
case MESA_FORMAT_B5G6R5_UNORM:
@@ -290,6 +291,7 @@ 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_get_format_color_encoding(format) == GL_SRGB;
+ 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);
@@ -319,6 +321,7 @@ 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;
@@ -492,6 +495,8 @@ 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)
--
2.7.4
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