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filter-transform: Attempts at fixing alpha rendering

This commit is contained in:
Michael Fabian Dirks 2017-06-29 04:21:41 +02:00
parent a56df967cd
commit 8a554e881b
1 changed files with 11 additions and 11 deletions
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22
source/filter-transform.cpp
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@ -285,14 +285,14 @@ void Filter::Transform::Instance::video_render(gs_effect_t *effect) {
float halfW = (float)baseW / 2.0,
halfH = (float)baseH / 2.0;
gs_effect_t* opaque = obs_get_base_effect(OBS_EFFECT_OPAQUE),
*default = obs_get_base_effect(OBS_EFFECT_DEFAULT);
gs_effect_t* opaqueEffect = obs_get_base_effect(OBS_EFFECT_OPAQUE),
*alphaEffect = obs_get_base_effect(OBS_EFFECT_DEFAULT);
// Draw previous filters to texture.
gs_texrender_reset(m_texRender);
if (gs_texrender_begin(m_texRender, baseW, baseH)) {
if (obs_source_process_filter_begin(context, GS_RGBA, OBS_NO_DIRECT_RENDERING)) {
obs_source_process_filter_end(context, obs_get_base_effect(OBS_EFFECT_OPAQUE), baseW, baseH);
obs_source_process_filter_end(context, alphaEffect, baseW, baseH);
} else {
obs_source_skip_video_filter(context);
}
@ -318,9 +318,11 @@ void Filter::Transform::Instance::video_render(gs_effect_t *effect) {
-halfW, halfW,
-halfH, halfH,
-65535.0, 65535.0);
gs_matrix_scale3f(baseW, baseH, 1);
} else {
gs_perspective(PI / 4.0,
(float)baseW / (float)baseH,
gs_frustum(
-halfW, halfW,
-halfH, halfH,
-1.0, 65535.0);
}
@ -332,15 +334,13 @@ void Filter::Transform::Instance::video_render(gs_effect_t *effect) {
gs_enable_color(true, true, true, true);
gs_enable_depth_test(false);
gs_matrix_scale3f(baseW, baseH, 1);
// Rendering
vec4 black;
vec4_zero(&black);
gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &black, 0, 0);
while (gs_effect_loop(default, "Draw")) {
gs_effect_set_texture(gs_effect_get_param_by_name(default, "image"), filterTexture);
while (gs_effect_loop(alphaEffect, "Draw")) {
gs_effect_set_texture(gs_effect_get_param_by_name(alphaEffect, "image"), filterTexture);
gs_load_vertexbuffer(m_vertexBuffer);
gs_load_indexbuffer(NULL);
gs_draw(GS_TRISTRIP, 0, 4);
@ -357,8 +357,8 @@ void Filter::Transform::Instance::video_render(gs_effect_t *effect) {
gs_texture* shapeTexture = gs_texrender_get_texture(m_shapeRender);
// Draw final shape
while (gs_effect_loop(default, "Draw")) {
gs_effect_set_texture(gs_effect_get_param_by_name(default, "image"), shapeTexture);
while (gs_effect_loop(alphaEffect, "Draw")) {
gs_effect_set_texture(gs_effect_get_param_by_name(alphaEffect, "image"), shapeTexture);
gs_draw_sprite(shapeTexture, 0, 0, 0);
}
}