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gl-renderer: Move debug mode setup to dedicated func

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This moves debug mode setup to a dedicated function because the
addition of new modes made it bigger.

Signed-off-by: Loïc Molinari <loic.molinari@collabora.com>
This commit is contained in:
Loïc Molinari 2024-06-06 18:37:25 +02:00 committed by Derek Foreman
parent e512f5482d
commit dbf408791c
1 changed files with 62 additions and 55 deletions
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117
libweston/renderer-gl/gl-renderer.c
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@ -1373,6 +1373,66 @@ store_indices(size_t count,
return strips[count][15];
}
static void
set_debug_mode(struct gl_renderer *gr,
struct gl_shader_config *sconf,
const uint32_t *barycentrics,
bool opaque)
{
/* Debug mode tints indexed by gl_debug_mode enumeration. While tints
* are meant to be premultiplied, debug modes can have invalid colors in
* order to create visual effects. */
static const float tints[DEBUG_MODE_LAST][4] = {
{}, /* DEBUG_MODE_NONE */
{ 0.0f, 0.0f, 0.0f, 0.3f }, /* DEBUG_MODE_WIREFRAME */
{}, /* DEBUG_MODE_BATCHES */
{ 0.4f, -0.4f, -0.4f, 0.0f }, /* DEBUG_MODE_DAMAGE */
{ -0.4f, -0.4f, 0.7f, 0.0f }, /* DEBUG_MODE_OPAQUE */
};
static const float batch_tints[][4] = {
{ 0.9f, 0.0f, 0.0f, 0.9f },
{ 0.0f, 0.9f, 0.0f, 0.9f },
{ 0.0f, 0.0f, 0.9f, 0.9f },
{ 0.9f, 0.9f, 0.0f, 0.9f },
{ 0.9f, 0.0f, 0.9f, 0.9f },
{ 0.0f, 0.9f, 0.9f, 0.9f },
{ 0.9f, 0.9f, 0.9f, 0.9f },
};
int i;
switch (gr->debug_mode) {
case DEBUG_MODE_WIREFRAME:
/* Wireframe rendering is based on Celes & Abraham's "Fast and
* versatile texture-based wireframe rendering", 2011. */
sconf->req.wireframe = true;
sconf->wireframe_tex = gr->wireframe_tex;
glEnableVertexAttribArray(SHADER_ATTRIB_LOC_BARYCENTRIC);
glVertexAttribPointer(SHADER_ATTRIB_LOC_BARYCENTRIC, 4,
GL_UNSIGNED_BYTE, GL_TRUE, 0,
barycentrics);
FALLTHROUGH;
case DEBUG_MODE_DAMAGE:
sconf->req.tint = true;
copy_uniform4f(sconf->tint, tints[gr->debug_mode]);
break;
case DEBUG_MODE_OPAQUE:
sconf->req.tint = opaque;
copy_uniform4f(sconf->tint, tints[gr->debug_mode]);
break;
case DEBUG_MODE_BATCHES:
sconf->req.tint = true;
i = gr->nbatches++ % ARRAY_LENGTH(batch_tints);
copy_uniform4f(sconf->tint, batch_tints[i]);
break;
default:
unreachable("Invalid debug mode");
}
}
static void
draw_mesh(struct gl_renderer *gr,
struct weston_paint_node *pnode,
@ -1385,61 +1445,8 @@ draw_mesh(struct gl_renderer *gr,
{
assert(nidx > 0);
if (gr->debug_mode) {
/* Debug mode tints indexed by gl_debug_mode enumeration. While
* tints are meant to be premultiplied, debug modes can have
* invalid colors in order to create visual effects. */
static const float tints[DEBUG_MODE_LAST][4] = {
{}, /* DEBUG_MODE_NONE */
{ 0.0f, 0.0f, 0.0f, 0.3f }, /* DEBUG_MODE_WIREFRAME */
{}, /* DEBUG_MODE_BATCHES */
{ 0.4f, -0.4f, -0.4f, 0.0f }, /* DEBUG_MODE_DAMAGE */
{ -0.4f, -0.4f, 0.7f, 0.0f }, /* DEBUG_MODE_OPAQUE */
};
static const float batch_tints[][4] = {
{ 0.9f, 0.0f, 0.0f, 0.9f },
{ 0.0f, 0.9f, 0.0f, 0.9f },
{ 0.0f, 0.0f, 0.9f, 0.9f },
{ 0.9f, 0.9f, 0.0f, 0.9f },
{ 0.9f, 0.0f, 0.9f, 0.9f },
{ 0.0f, 0.9f, 0.9f, 0.9f },
{ 0.9f, 0.9f, 0.9f, 0.9f },
};
int i;
switch (gr->debug_mode) {
case DEBUG_MODE_WIREFRAME:
/* Wireframe rendering is based on Celes & Abraham's
* "Fast and versatile texture-based wireframe
* rendering", 2011. */
sconf->req.wireframe = true;
sconf->wireframe_tex = gr->wireframe_tex;
glEnableVertexAttribArray(SHADER_ATTRIB_LOC_BARYCENTRIC);
glVertexAttribPointer(SHADER_ATTRIB_LOC_BARYCENTRIC, 4,
GL_UNSIGNED_BYTE, GL_TRUE, 0,
barycentrics);
FALLTHROUGH;
case DEBUG_MODE_DAMAGE:
sconf->req.tint = true;
copy_uniform4f(sconf->tint, tints[gr->debug_mode]);
break;
case DEBUG_MODE_OPAQUE:
sconf->req.tint = opaque;
copy_uniform4f(sconf->tint, tints[gr->debug_mode]);
break;
case DEBUG_MODE_BATCHES:
sconf->req.tint = true;
i = gr->nbatches++ % ARRAY_LENGTH(batch_tints);
copy_uniform4f(sconf->tint, batch_tints[i]);
break;
default:
unreachable("Invalid debug mode");
}
}
if (gr->debug_mode)
set_debug_mode(gr, sconf, barycentrics, opaque);
if (!gl_renderer_use_program(gr, sconf))
gl_renderer_send_shader_error(pnode); /* Use fallback shader. */