ogl_beamforming

Commit: 9286c1b99ad08d36463fac13ec6eecf88008d25b
Parent: a5400b32e0c4ebfbd85139f5b93f7bb1f76f49e8
Author: Randy Palamar
Date:   Tue, 10 Dec 2024 11:05:35 -0700

add cycle_t to das shader for help with debugging

Diffstat:
M
beamformer.c
 | 
5
+++++
M
beamformer.h
 | 
1
+
M
shaders/das.glsl
 | 
1
+

3 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/beamformer.c b/beamformer.c
@@ -2,6 +2,7 @@
 #include "beamformer.h"
 
 static f32 dt_for_frame;
+static f32 cycle_t;
 
 static size
 decoded_data_size(ComputeShaderCtx *cs)
@@ -641,6 +642,10 @@ DEBUG_EXPORT BEAMFORMER_FRAME_STEP_FN(beamformer_frame_step)
 {
 	dt_for_frame = GetFrameTime();
 
+	cycle_t += dt_for_frame;
+	if (cycle_t > 1) cycle_t -= 1;
+	glProgramUniform1f(ctx->csctx.programs[CS_DAS], ctx->csctx.cycle_t_id, cycle_t);
+
 	if (IsWindowResized()) {
 		ctx->window_size.h = GetScreenHeight();
 		ctx->window_size.w = GetScreenWidth();
diff --git a/beamformer.h b/beamformer.h
@@ -131,6 +131,7 @@ typedef struct {
 	X(CS_DAS,     volume_export_pass)       \
 	X(CS_DAS,     xdc_index)                \
 	X(CS_DAS,     xdc_transform)            \
+	X(CS_DAS,     cycle_t)                  \
 	X(CS_MIN_MAX, mips_level)               \
 	X(CS_SUM,     sum_prescale)
 
diff --git a/shaders/das.glsl b/shaders/das.glsl
@@ -11,6 +11,7 @@ layout(location = 2) uniform int   u_volume_export_pass;
 layout(location = 3) uniform ivec3 u_volume_export_dim_offset;
 layout(location = 4) uniform mat4  u_xdc_transform;
 layout(location = 5) uniform int   u_xdc_index;
+layout(location = 6) uniform float u_cycle_t;
 
 #define C_SPLINE 0.5