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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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d3d11testsrc: Add "alpha" and "alpha-mode" properties
Adding global alpha and alpha mode options Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4825>
This commit is contained in:
Seungha Yang
GStreamer Marge Bot
parent
cb28a16007
commit
80878a6ea4
1 changed files with 122 additions and 26 deletions
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@ -201,7 +201,13 @@ typedef struct
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typedef struct
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{
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const ColorValue *clear_color[2];
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ColorValue value;
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gboolean is_valid;
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} StaticColor;
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typedef struct
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{
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StaticColor static_color[2];
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GstD3D11TestSrcQuad *quad[2];
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GstD3D11TestSrcPattern pattern;
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} GstD3D11TestSrcRender;
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@ -224,6 +230,8 @@ struct _GstD3D11TestSrc
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D3D11_VIEWPORT viewport;
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ID2D1Factory *d2d_factory;
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gint64 token;
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gfloat alpha;
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GstD3D11ConverterAlphaMode alpha_mode;
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gboolean reverse;
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gint64 n_frames;
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@ -318,7 +326,7 @@ static const gchar templ_ps_snow[] =
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" float4 output;\n"
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" float val = get_rand (time * input.Texture);\n"
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" output.rgb = float3(val, val, val);\n"
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" output.a = 1.0f;\n"
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" output.a = %s;\n"
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" return output;\n"
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"}";
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@ -347,7 +355,8 @@ static const gchar templ_ps_checker[] =
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" float result = fmod (xy_mod.x + xy_mod.y, 2.0);\n"
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" output.r = step (result, 0.5);\n"
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" output.g = 1.0 - output.r;\n"
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" output.ba = float2 (0.0f, 1.0f);\n"
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" output.b = 0;\n"
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" output.a = %s;\n"
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" return output;\n"
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"}";
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/* *INDENT-ON* */
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@ -373,6 +382,8 @@ setup_snow_render (GstD3D11TestSrc * self, GstD3D11TestSrcRender * render,
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ComPtr < ID3D11Buffer > index_buffer;
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ComPtr < ID3D11Buffer > const_buffer;
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GstD3D11TestSrcQuad *quad;
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gchar *ps_src;
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gchar float_str_buf[G_ASCII_DTOSTR_BUF_SIZE];
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memset (input_desc, 0, sizeof (input_desc));
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memset (&buffer_desc, 0, sizeof (buffer_desc));
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@ -400,8 +411,10 @@ setup_snow_render (GstD3D11TestSrc * self, GstD3D11TestSrcRender * render,
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return FALSE;
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}
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hr = gst_d3d11_create_pixel_shader_simple (self->device,
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templ_ps_snow, "main", &ps);
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g_ascii_formatd (float_str_buf, G_ASCII_DTOSTR_BUF_SIZE, "%f", self->alpha);
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ps_src = g_strdup_printf (templ_ps_snow, float_str_buf);
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hr = gst_d3d11_create_pixel_shader_simple (self->device, ps_src, "main", &ps);
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g_free (ps_src);
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if (!gst_d3d11_result (hr, self->device)) {
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GST_ERROR_OBJECT (self, "Failed to compile pixel shader");
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return FALSE;
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@ -672,25 +685,28 @@ setup_smpte_render (GstD3D11TestSrc * self, GstD3D11TestSrcRender * render)
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vertex_data[base].color.r = color->r;
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vertex_data[base].color.g = color->g;
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vertex_data[base].color.b = color->b;
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vertex_data[base].color.a = color->a;
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vertex_data[base].color.a = self->alpha;
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/* top left */
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vertex_data[base + 1].position.x = left;
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vertex_data[base + 1].position.y = top;
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vertex_data[base + 1].position.z = 0.0f;
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vertex_data[base + 1].color = vertex_data[base].color;
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vertex_data[base + 1].color.a = self->alpha;
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/* top right */
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vertex_data[base + 2].position.x = right;
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vertex_data[base + 2].position.y = top;
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vertex_data[base + 2].position.z = 0.0f;
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vertex_data[base + 2].color = vertex_data[base].color;
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vertex_data[base + 2].color.a = self->alpha;
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/* bottom right */
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vertex_data[base + 3].position.x = right;
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vertex_data[base + 3].position.y = bottom;
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vertex_data[base + 3].position.z = 0.0f;
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vertex_data[base + 3].color = vertex_data[base].color;
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vertex_data[base + 3].color.a = self->alpha;
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/* clockwise indexing */
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indices[idx_base] = base; /* bottom left */
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@ -729,25 +745,28 @@ setup_smpte_render (GstD3D11TestSrc * self, GstD3D11TestSrcRender * render)
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vertex_data[base].color.r = color->r;
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vertex_data[base].color.g = color->g;
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vertex_data[base].color.b = color->b;
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vertex_data[base].color.a = color->a;
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vertex_data[base].color.a = self->alpha;
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/* top left */
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vertex_data[base + 1].position.x = left;
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vertex_data[base + 1].position.y = top;
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vertex_data[base + 1].position.z = 0.0f;
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vertex_data[base + 1].color = vertex_data[base].color;
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vertex_data[base + 1].color.a = self->alpha;
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/* top right */
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vertex_data[base + 2].position.x = right;
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vertex_data[base + 2].position.y = top;
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vertex_data[base + 2].position.z = 0.0f;
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vertex_data[base + 2].color = vertex_data[base].color;
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vertex_data[base + 2].color.a = self->alpha;
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/* bottom right */
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vertex_data[base + 3].position.x = right;
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vertex_data[base + 3].position.y = bottom;
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vertex_data[base + 3].position.z = 0.0f;
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vertex_data[base + 3].color = vertex_data[base].color;
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vertex_data[base + 3].color.a = self->alpha;
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/* clockwise indexing */
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indices[idx_base] = base; /* bottom left */
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@ -788,25 +807,28 @@ setup_smpte_render (GstD3D11TestSrc * self, GstD3D11TestSrcRender * render)
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vertex_data[base].color.r = color->r;
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vertex_data[base].color.g = color->g;
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vertex_data[base].color.b = color->b;
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vertex_data[base].color.a = color->a;
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vertex_data[base].color.a = self->alpha;
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/* top left */
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vertex_data[base + 1].position.x = left;
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vertex_data[base + 1].position.y = top;
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vertex_data[base + 1].position.z = 0.0f;
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vertex_data[base + 1].color = vertex_data[base].color;
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vertex_data[base + 1].color.a = self->alpha;
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/* top right */
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vertex_data[base + 2].position.x = right;
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vertex_data[base + 2].position.y = top;
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vertex_data[base + 2].position.z = 0.0f;
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vertex_data[base + 2].color = vertex_data[base].color;
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vertex_data[base + 2].color.a = self->alpha;
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/* bottom right */
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vertex_data[base + 3].position.x = right;
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vertex_data[base + 3].position.y = bottom;
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vertex_data[base + 3].position.z = 0.0f;
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vertex_data[base + 3].color = vertex_data[base].color;
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vertex_data[base + 3].color.a = self->alpha;
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/* clockwise indexing */
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indices[idx_base] = base; /* bottom left */
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@ -847,25 +869,28 @@ setup_smpte_render (GstD3D11TestSrc * self, GstD3D11TestSrcRender * render)
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vertex_data[base].color.r = color->r;
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vertex_data[base].color.g = color->g;
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vertex_data[base].color.b = color->b;
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vertex_data[base].color.a = color->a;
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vertex_data[base].color.a = self->alpha;
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/* top left */
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vertex_data[base + 1].position.x = left;
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vertex_data[base + 1].position.y = top;
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vertex_data[base + 1].position.z = 0.0f;
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vertex_data[base + 1].color = vertex_data[base].color;
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vertex_data[base + 1].color.a = self->alpha;
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/* top right */
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vertex_data[base + 2].position.x = right;
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vertex_data[base + 2].position.y = top;
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vertex_data[base + 2].position.z = 0.0f;
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vertex_data[base + 2].color = vertex_data[base].color;
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vertex_data[base + 2].color.a = self->alpha;
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/* bottom right */
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vertex_data[base + 3].position.x = right;
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vertex_data[base + 3].position.y = bottom;
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vertex_data[base + 3].position.z = 0.0f;
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vertex_data[base + 3].color = vertex_data[base].color;
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vertex_data[base + 3].color.a = self->alpha;
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/* clockwise indexing */
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indices[idx_base] = base; /* bottom left */
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@ -914,6 +939,7 @@ setup_checker_render (GstD3D11TestSrc * self, GstD3D11TestSrcRender * render,
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ComPtr < ID3D11Buffer > index_buffer;
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GstD3D11TestSrcQuad *quad;
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gchar *ps_src;
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gchar float_str_buf[G_ASCII_DTOSTR_BUF_SIZE];
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memset (input_desc, 0, sizeof (input_desc));
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memset (&buffer_desc, 0, sizeof (buffer_desc));
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@ -941,8 +967,10 @@ setup_checker_render (GstD3D11TestSrc * self, GstD3D11TestSrcRender * render,
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return FALSE;
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}
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g_ascii_formatd (float_str_buf, G_ASCII_DTOSTR_BUF_SIZE, "%f", self->alpha);
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ps_src = g_strdup_printf (templ_ps_checker,
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self->info.width, self->info.height, checker_size);
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self->info.width, self->info.height, checker_size, float_str_buf);
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hr = gst_d3d11_create_pixel_shader_simple (self->device, ps_src, "main", &ps);
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g_free (ps_src);
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if (!gst_d3d11_result (hr, self->device)) {
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@ -1070,10 +1098,14 @@ enum
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PROP_ADAPTER,
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PROP_IS_LIVE,
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PROP_PATTERN,
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PROP_ALPHA,
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PROP_ALPHA_MODE,
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};
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#define DEFAULT_ADAPTER -1
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#define DEFAULT_PATTERN GST_D3D11_TEST_SRC_SMPTE
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#define DEFAULT_ALPHA 1.0f
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#define DEFAULT_ALPHA_MODE GST_D3D11_CONVERTER_ALPHA_MODE_UNSPECIFIED
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static void gst_d3d11_test_src_dispose (GObject * object);
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static void gst_d3d11_test_src_set_property (GObject * object,
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@ -1132,6 +1164,33 @@ gst_d3d11_test_src_class_init (GstD3D11TestSrcClass * klass)
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
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G_PARAM_STATIC_STRINGS)));
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/**
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* GstD3D11TestSrc:alpha:
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*
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* Global alpha value to apply
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*
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* Since: 1.24
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*/
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g_object_class_install_property (gobject_class, PROP_ALPHA,
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g_param_spec_float ("alpha", "Alpha", "Global alpha value to use",
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0, 1, DEFAULT_ALPHA,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
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G_PARAM_STATIC_STRINGS)));
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/**
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* GstD3D11TestSrc:alpha-mode:
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*
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* Alpha mode to use
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*
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* Since: 1.24
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*/
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g_object_class_install_property (gobject_class, PROP_ALPHA_MODE,
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g_param_spec_enum ("alpha-mode", "Alpha Mode",
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"alpha mode to use", GST_TYPE_D3D11_CONVERTER_ALPHA_MODE,
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GST_D3D11_CONVERTER_ALPHA_MODE_UNSPECIFIED,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
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G_PARAM_STATIC_STRINGS)));
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element_class->set_context =
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GST_DEBUG_FUNCPTR (gst_d3d11_test_src_set_context);
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@ -1171,6 +1230,8 @@ gst_d3d11_test_src_init (GstD3D11TestSrc * self)
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self->adapter_index = DEFAULT_ADAPTER;
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self->pattern = DEFAULT_PATTERN;
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self->alpha = DEFAULT_ALPHA;
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self->alpha_mode = DEFAULT_ALPHA_MODE;
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}
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static void
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@ -1199,6 +1260,12 @@ gst_d3d11_test_src_set_property (GObject * object, guint prop_id,
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case PROP_PATTERN:
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self->pattern = (GstD3D11TestSrcPattern) g_value_get_enum (value);
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break;
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case PROP_ALPHA:
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self->alpha = g_value_get_float (value);
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break;
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case PROP_ALPHA_MODE:
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self->alpha_mode = (GstD3D11ConverterAlphaMode) g_value_get_enum (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@ -1221,6 +1288,12 @@ gst_d3d11_test_src_get_property (GObject * object, guint prop_id,
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case PROP_PATTERN:
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g_value_set_enum (value, self->pattern);
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break;
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case PROP_ALPHA:
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g_value_set_float (value, self->alpha);
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break;
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case PROP_ALPHA_MODE:
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g_value_set_enum (value, self->alpha_mode);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@ -1357,6 +1430,15 @@ gst_d3d11_test_src_setup_resource (GstD3D11TestSrc * self, GstCaps * caps)
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goto error;
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}
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/* D2D uses premultiplied alpha */
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if (self->pattern == GST_D3D11_TEST_SRC_CIRCULAR ||
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self->pattern == GST_D3D11_TEST_SRC_BALL) {
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g_object_set (self->converter, "src-alpha-mode",
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GST_D3D11_CONVERTER_ALPHA_MODE_PREMULTIPLIED, nullptr);
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}
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g_object_set (self->converter, "dest-alpha-mode", self->alpha_mode, nullptr);
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draw_caps = gst_video_info_to_caps (&draw_info);
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params = gst_d3d11_allocation_params_new (self->device, &draw_info,
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GST_D3D11_ALLOCATION_FLAG_DEFAULT,
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@ -1406,19 +1488,29 @@ gst_d3d11_test_src_setup_resource (GstD3D11TestSrc * self, GstCaps * caps)
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goto error;
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break;
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case GST_D3D11_TEST_SRC_BLACK:
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render->clear_color[0] = &color_table[COLOR_BLACK];
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render->static_color[0].value = color_table[COLOR_BLACK];
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render->static_color[0].value.a = self->alpha;
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render->static_color[0].is_valid = TRUE;
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break;
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case GST_D3D11_TEST_SRC_WHITE:
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render->clear_color[0] = &color_table[COLOR_WHITE];
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render->static_color[0].value = color_table[COLOR_WHITE];
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render->static_color[0].value.a = self->alpha;
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render->static_color[0].is_valid = TRUE;
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break;
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case GST_D3D11_TEST_SRC_RED:
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render->clear_color[0] = &color_table[COLOR_RED];
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render->static_color[0].value = color_table[COLOR_RED];
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render->static_color[0].value.a = self->alpha;
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render->static_color[0].is_valid = TRUE;
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break;
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case GST_D3D11_TEST_SRC_GREEN:
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render->clear_color[0] = &color_table[COLOR_GREEN];
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render->static_color[0].value = color_table[COLOR_GREEN];
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render->static_color[0].value.a = self->alpha;
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render->static_color[0].is_valid = TRUE;
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break;
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case GST_D3D11_TEST_SRC_BLUE:
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render->clear_color[0] = &color_table[COLOR_BLUE];
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render->static_color[0].value = color_table[COLOR_BLUE];
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render->static_color[0].value.a = self->alpha;
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render->static_color[0].is_valid = TRUE;
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break;
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case GST_D3D11_TEST_SRC_CHECKERS1:
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if (!setup_checker_render (self, render, 1))
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@ -1437,8 +1529,12 @@ gst_d3d11_test_src_setup_resource (GstD3D11TestSrc * self, GstCaps * caps)
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goto error;
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break;
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case GST_D3D11_TEST_SRC_BLINK:
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render->clear_color[0] = &color_table[COLOR_BLACK];
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render->clear_color[1] = &color_table[COLOR_WHITE];
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render->static_color[0].value = color_table[COLOR_BLACK];
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render->static_color[0].value.a = self->alpha;
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render->static_color[0].is_valid = TRUE;
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render->static_color[1].value = color_table[COLOR_WHITE];
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render->static_color[1].value.a = self->alpha;
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render->static_color[1].is_valid = TRUE;
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break;
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case GST_D3D11_TEST_SRC_CIRCULAR:
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case GST_D3D11_TEST_SRC_BALL:
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@ -1748,11 +1844,11 @@ gst_d3d11_test_src_draw_ball (GstD3D11TestSrc * self,
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return FALSE;
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}
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stops[0].color = D2D1::ColorF (D2D1::ColorF::White);
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stops[0].color = D2D1::ColorF (D2D1::ColorF::White, self->alpha);
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stops[0].position = 0.0f;
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stops[1].color = D2D1::ColorF (D2D1::ColorF::Snow);
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stops[1].color = D2D1::ColorF (D2D1::ColorF::Snow, self->alpha);
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stops[1].position = 0.3f;
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stops[2].color = D2D1::ColorF (D2D1::ColorF::Black);
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stops[2].color = D2D1::ColorF (D2D1::ColorF::Black, self->alpha);
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stops[2].position = 1.0f;
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||||
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||||
hr = d2d_target->CreateGradientStopCollection (stops, 3, D2D1_GAMMA_1_0,
|
||||
|
|
@ -1849,9 +1945,9 @@ gst_d3d11_test_src_draw_circular (GstD3D11TestSrc * self,
|
|||
for (guint i = 0; i < G_N_ELEMENTS (stops); i++) {
|
||||
FLOAT diff;
|
||||
if ((i % 2) == 0)
|
||||
stops[i].color = D2D1::ColorF (D2D1::ColorF::Black);
|
||||
stops[i].color = D2D1::ColorF (D2D1::ColorF::Black, self->alpha);
|
||||
else
|
||||
stops[i].color = D2D1::ColorF (D2D1::ColorF::White);
|
||||
stops[i].color = D2D1::ColorF (D2D1::ColorF::White, self->alpha);
|
||||
|
||||
stops[i].position = position;
|
||||
diff = position / G_N_ELEMENTS (stops) * 2;
|
||||
|
|
@ -1903,11 +1999,11 @@ gst_d3d11_test_src_draw_pattern (GstD3D11TestSrc * self,
|
|||
D3D11_MAPPED_SUBRESOURCE map;
|
||||
UINT offsets = 0;
|
||||
|
||||
if (render->clear_color[0]) {
|
||||
if (render->clear_color[1] && (self->n_frames % 2) == 1)
|
||||
context->ClearRenderTargetView (rtv, render->clear_color[1]->color);
|
||||
if (render->static_color[0].is_valid) {
|
||||
if (render->static_color[1].is_valid && (self->n_frames % 2) == 1)
|
||||
context->ClearRenderTargetView (rtv, render->static_color[1].value.color);
|
||||
else
|
||||
context->ClearRenderTargetView (rtv, render->clear_color[0]->color);
|
||||
context->ClearRenderTargetView (rtv, render->static_color[0].value.color);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue