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Brings back checks for older MESA versions. #39

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Merged
merged 1 commit into from
Oct 20, 2025
Merged

Brings back checks for older MESA versions. #39

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10 changes: 10 additions & 0 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,16 @@ else
fi
AM_CONDITIONAL(GLAMOR, test x$GLAMOR != xno)

AC_CHECK_DECL(GBM_BO_USE_LINEAR,
[AC_DEFINE(HAVE_GBM_BO_USE_LINEAR, 1, [Have GBM_BO_USE_LINEAR])], [],
[#include <stdlib.h>
#include <gbm.h>])

AC_CHECK_DECL(GBM_BO_USE_FRONT_RENDERING,
[AC_DEFINE(HAVE_GBM_BO_USE_FRONT_RENDERING, 1, [Have GBM_BO_USE_FRONT_RENDERING])], [],
[#include <stdlib.h>
#include <gbm.h>])

CPPFLAGS="$SAVE_CPPFLAGS"

# Checks for headers/macros for byte swapping
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4 changes: 4 additions & 0 deletions src/amdgpu_bo_helper.c
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Expand Up @@ -82,13 +82,17 @@ struct amdgpu_buffer *amdgpu_alloc_pixmap_bo(ScrnInfoPtr pScrn, int width,
if (usage_hint & AMDGPU_CREATE_PIXMAP_SCANOUT)
bo_use |= GBM_BO_USE_SCANOUT;

#ifdef HAVE_GBM_BO_USE_FRONT_RENDERING
if (usage_hint & AMDGPU_CREATE_PIXMAP_FRONT)
bo_use |= GBM_BO_USE_FRONT_RENDERING;
#endif

#ifdef HAVE_GBM_BO_USE_LINEAR
if (usage_hint == CREATE_PIXMAP_USAGE_SHARED ||
(usage_hint & AMDGPU_CREATE_PIXMAP_LINEAR)) {
bo_use |= GBM_BO_USE_LINEAR;
}
#endif

pixmap_buffer->bo.gbm = gbm_bo_create(info->gbm, width, height,
gbm_format,
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2 changes: 2 additions & 0 deletions src/amdgpu_kms.c
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Expand Up @@ -1316,11 +1316,13 @@ static Bool AMDGPUPreInitAccel_KMS(ScrnInfoPtr pScrn)
if (xf86ReturnOptValBool(info->Options, OPTION_ACCEL, TRUE)) {
AMDGPUEntPtr pAMDGPUEnt = AMDGPUEntPriv(pScrn);
Bool use_glamor = TRUE;
#ifdef HAVE_GBM_BO_USE_LINEAR
const char *accel_method;

accel_method = xf86GetOptValString(info->Options, OPTION_ACCEL_METHOD);
if ((accel_method && !strcmp(accel_method, "none")))
use_glamor = FALSE;
#endif

#ifdef DRI2
info->dri2.available = ! !xf86LoadSubModule(pScrn, "dri2");
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