fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-03-11 15:40:31 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

v3d: Enables GL_ARB_clip_control for v71+

Browse source 
Based on current v3dv support for clip control

v1: original version (Andrew Copland)
v2: update docs, really enable extension (Alejandro Piñeiro)
v3: adjusted viewport and its dirty flag (Chema Casanova)
This commit is contained in:
Jose Maria Casanova Crespo 2025-10-07 19:30:42 +02:00
parent edccd06a0b
commit 79e97714a2
4 changed files with 16 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
docs/features.txt
View file

@ -214,7 +214,7 @@ GL 4.4, GLSL 4.40 -- all DONE: freedreno/a6xx, nvc0, r600, radeonsi, llvmpipe, v
GL 4.5, GLSL 4.50 -- all DONE: freedreno/a6xx, nvc0, r600, radeonsi, llvmpipe, virgl, zink, iris, crocus/gen7.5+, d3d12, asahi
GL_ARB_ES3_1_compatibility DONE (freedreno/a6xx, softpipe)
GL_ARB_clip_control DONE (freedreno, nv50, softpipe, lima, panfrost, crocus)
GL_ARB_clip_control DONE (freedreno, nv50, softpipe, lima, panfrost, crocus, v3d)
GL_ARB_conditional_render_inverted DONE (freedreno, nv50, softpipe, panfrost, crocus/gen6+, svga)
GL_ARB_cull_distance DONE (freedreno/a6xx, nv50, softpipe, crocus/gen6+)
GL_ARB_derivative_control DONE (freedreno/a3xx+, nv50, softpipe, crocus/gen7+, svga)

1
src/gallium/drivers/v3d/v3d_screen.c
View file

@ -372,6 +372,7 @@ v3d_init_screen_caps(struct v3d_screen *screen)
caps->clip_planes = 0;
caps->depth_clip_disable = screen->devinfo.ver >= 71;
caps->clip_halfz = screen->devinfo.ver >= 71;
caps->min_line_width =
caps->min_line_width_aa =

14
src/gallium/drivers/v3d/v3dx_emit.c
View file

@ -23,6 +23,7 @@
#include "util/format/u_format.h"
#include "util/half_float.h"
#include "util/u_viewport.h"
#include "v3d_context.h"
#include "broadcom/common/v3d_macros.h"
#include "broadcom/cle/v3dx_pack.h"
@ -392,9 +393,11 @@ v3dX(emit_state)(struct pipe_context *pctx)
}
#if V3D_VERSION >= 71
uint32_t z_clip_mode = v3d->rasterizer->base.clip_halfz ?
V3D_Z_CLIP_MODE_ZERO_TO_ONE : V3D_Z_CLIP_MODE_MIN_ONE_TO_ONE;
config.z_clipping_mode = v3d->rasterizer->base.depth_clip_near ||
v3d->rasterizer->base.depth_clip_far ?
V3D_Z_CLIP_MODE_MIN_ONE_TO_ONE : V3D_Z_CLIP_MODE_NONE;
z_clip_mode : V3D_Z_CLIP_MODE_NONE;
config.z_clamp_mode = v3d->rasterizer->base.depth_clamp;
#endif
@ -465,12 +468,9 @@ v3dX(emit_state)(struct pipe_context *pctx)
v3d->viewport.scale[2];
}
cl_emit(&job->bcl, CLIPPER_Z_MIN_MAX_CLIPPING_PLANES, clip) {
float z1 = (v3d->viewport.translate[2] -
v3d->viewport.scale[2]);
float z2 = (v3d->viewport.translate[2] +
v3d->viewport.scale[2]);
clip.minimum_zw = MIN2(z1, z2);
clip.maximum_zw = MAX2(z1, z2);
util_viewport_zmin_zmax(&v3d->viewport,
v3d->rasterizer->base.clip_halfz,
&clip.minimum_zw, &clip.maximum_zw);
}
cl_emit(&job->bcl, VIEWPORT_OFFSET, vp) {

9
src/gallium/drivers/v3d/v3dx_state.c
View file

@ -328,9 +328,14 @@ v3d_rasterizer_state_bind(struct pipe_context *pctx, void *hwcso)
{
struct v3d_context *v3d = v3d_context(pctx);
struct v3d_rasterizer_state *rasterizer = hwcso;
if (v3d->rasterizer == NULL || rasterizer == NULL ||
v3d->rasterizer->base.scissor != rasterizer->base.scissor) {
if (v3d->rasterizer == NULL || rasterizer == NULL) {
v3d->dirty |= V3D_DIRTY_RASTERIZER_SCISSOR;
v3d->dirty |= V3D_DIRTY_VIEWPORT;
} else {
if (v3d->rasterizer->base.scissor != rasterizer->base.scissor)
v3d->dirty |= V3D_DIRTY_RASTERIZER_SCISSOR;
if (v3d->rasterizer->base.clip_halfz != rasterizer->base.clip_halfz)
v3d->dirty |= V3D_DIRTY_VIEWPORT;
}
v3d->rasterizer = hwcso;
v3d->dirty |= V3D_DIRTY_RASTERIZER;