aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/glamor/glamor_render.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/glamor/glamor_render.c')
-rw-r--r--xorg-server/glamor/glamor_render.c108
1 files changed, 19 insertions, 89 deletions
diff --git a/xorg-server/glamor/glamor_render.c b/xorg-server/glamor/glamor_render.c
index 093a2151d..086526d2e 100644
--- a/xorg-server/glamor/glamor_render.c
+++ b/xorg-server/glamor/glamor_render.c
@@ -403,12 +403,10 @@ glamor_init_composite_shaders(ScreenPtr screen)
{
glamor_screen_private *glamor_priv;
unsigned short *eb;
- float *vb = NULL;
int eb_size;
glamor_priv = glamor_get_screen_private(screen);
glamor_get_context(glamor_priv);
- glGenBuffers(1, &glamor_priv->vbo);
glGenBuffers(1, &glamor_priv->ebo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, glamor_priv->ebo);
@@ -419,9 +417,6 @@ glamor_init_composite_shaders(ScreenPtr screen)
eb = glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY);
}
else {
- vb = malloc(GLAMOR_COMPOSITE_VBO_VERT_CNT * sizeof(float) * 2);
- if (vb == NULL)
- FatalError("Failed to allocate vb memory.\n");
eb = malloc(eb_size);
}
@@ -438,14 +433,7 @@ glamor_init_composite_shaders(ScreenPtr screen)
glBufferData(GL_ELEMENT_ARRAY_BUFFER, eb_size, eb, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
- glBindBuffer(GL_ARRAY_BUFFER, glamor_priv->vbo);
- glBufferData(GL_ARRAY_BUFFER,
- GLAMOR_COMPOSITE_VBO_VERT_CNT * sizeof(float) *
- 2, NULL, GL_DYNAMIC_DRAW);
- glBindBuffer(GL_ARRAY_BUFFER, 0);
-
free(eb);
- glamor_priv->vb = (char *) vb;
}
glamor_put_context(glamor_priv);
@@ -460,7 +448,6 @@ glamor_fini_composite_shaders(ScreenPtr screen)
glamor_priv = glamor_get_screen_private(screen);
glamor_get_context(glamor_priv);
- glDeleteBuffers(1, &glamor_priv->vbo);
glDeleteBuffers(1, &glamor_priv->ebo);
for (i = 0; i < SHADER_SOURCE_COUNT; i++)
@@ -470,8 +457,6 @@ glamor_fini_composite_shaders(ScreenPtr screen)
if (shader->prog)
glDeleteProgram(shader->prog);
}
- if (glamor_priv->gl_flavor != GLAMOR_GL_DESKTOP && glamor_priv->vb)
- free(glamor_priv->vb);
glamor_put_context(glamor_priv);
}
@@ -584,7 +569,7 @@ glamor_set_composite_texture(glamor_screen_private *glamor_priv, int unit,
else if (glamor_priv->gl_flavor == GLAMOR_GL_ES2
|| pixmap_priv->type == GLAMOR_TEXTURE_LARGE) {
if (picture->transform
- || (GLAMOR_PIXMAP_FBO_NOT_EAXCT_SIZE(pixmap_priv)))
+ || (GLAMOR_PIXMAP_FBO_NOT_EXACT_SIZE(pixmap_priv)))
repeat_type += RepeatFix;
}
if (repeat_type >= RepeatFix) {
@@ -701,11 +686,13 @@ glamor_composite_with_copy(CARD8 op,
return ret;
}
-void
+void *
glamor_setup_composite_vbo(ScreenPtr screen, int n_verts)
{
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
int vert_size;
+ char *vbo_offset;
+ float *vb;
glamor_priv->render_nr_verts = 0;
glamor_priv->vb_stride = 2 * sizeof(float);
@@ -717,78 +704,32 @@ glamor_setup_composite_vbo(ScreenPtr screen, int n_verts)
vert_size = n_verts * glamor_priv->vb_stride;
glamor_get_context(glamor_priv);
- glBindBuffer(GL_ARRAY_BUFFER, glamor_priv->vbo);
- if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
- if (glamor_priv->vbo_size < (glamor_priv->vbo_offset + vert_size)) {
- glamor_priv->vbo_size = GLAMOR_COMPOSITE_VBO_VERT_CNT *
- glamor_priv->vb_stride;
- glamor_priv->vbo_offset = 0;
- glBufferData(GL_ARRAY_BUFFER,
- glamor_priv->vbo_size, NULL, GL_STREAM_DRAW);
- }
-
- glamor_priv->vb = glMapBufferRange(GL_ARRAY_BUFFER,
- glamor_priv->vbo_offset,
- vert_size,
- GL_MAP_WRITE_BIT |
- GL_MAP_UNSYNCHRONIZED_BIT);
- assert(glamor_priv->vb != NULL);
- glamor_priv->vb -= glamor_priv->vbo_offset;
- }
- else
- glamor_priv->vbo_offset = 0;
+ vb = glamor_get_vbo_space(screen, vert_size, &vbo_offset);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, glamor_priv->ebo);
glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_FLOAT, GL_FALSE,
- glamor_priv->vb_stride,
- (void *) ((long)
- glamor_priv->vbo_offset));
+ glamor_priv->vb_stride, vbo_offset);
glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
if (glamor_priv->has_source_coords) {
glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2,
GL_FLOAT, GL_FALSE,
glamor_priv->vb_stride,
- (void *) ((long) glamor_priv->vbo_offset +
- 2 * sizeof(float)));
+ vbo_offset + 2 * sizeof(float));
glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
}
if (glamor_priv->has_mask_coords) {
glVertexAttribPointer(GLAMOR_VERTEX_MASK, 2, GL_FLOAT, GL_FALSE,
glamor_priv->vb_stride,
- (void *) ((long) glamor_priv->vbo_offset +
- (glamor_priv->has_source_coords ?
- 4 : 2) * sizeof(float)));
+ vbo_offset + (glamor_priv->has_source_coords ?
+ 4 : 2) * sizeof(float));
glEnableVertexAttribArray(GLAMOR_VERTEX_MASK);
}
glamor_put_context(glamor_priv);
-}
-
-void
-glamor_emit_composite_vert(ScreenPtr screen,
- const float *src_coords,
- const float *mask_coords,
- const float *dst_coords, int i)
-{
- glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
- float *vb = (float *) (glamor_priv->vb + glamor_priv->vbo_offset);
- int j = 0;
- vb[j++] = dst_coords[i * 2 + 0];
- vb[j++] = dst_coords[i * 2 + 1];
- if (glamor_priv->has_source_coords) {
- vb[j++] = src_coords[i * 2 + 0];
- vb[j++] = src_coords[i * 2 + 1];
- }
- if (glamor_priv->has_mask_coords) {
- vb[j++] = mask_coords[i * 2 + 0];
- vb[j++] = mask_coords[i * 2 + 1];
- }
-
- glamor_priv->render_nr_verts++;
- glamor_priv->vbo_offset += glamor_priv->vb_stride;
+ return vb;
}
static void
@@ -797,14 +738,6 @@ glamor_flush_composite_rects(ScreenPtr screen)
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
glamor_get_context(glamor_priv);
- if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP)
- glUnmapBuffer(GL_ARRAY_BUFFER);
- else {
-
- glBindBuffer(GL_ARRAY_BUFFER, glamor_priv->vbo);
- glBufferData(GL_ARRAY_BUFFER, glamor_priv->vbo_offset,
- glamor_priv->vb, GL_DYNAMIC_DRAW);
- }
if (!glamor_priv->render_nr_verts)
return;
@@ -1250,14 +1183,12 @@ glamor_composite_with_shader(CARD8 op,
GLfloat dst_xscale, dst_yscale;
GLfloat mask_xscale = 1, mask_yscale = 1, src_xscale = 1, src_yscale = 1;
struct shader_key key, key_ca;
- float *vertices;
int dest_x_off, dest_y_off;
int source_x_off, source_y_off;
int mask_x_off, mask_y_off;
PictFormatShort saved_source_format = 0;
float src_matrix[9], mask_matrix[9];
float *psrc_matrix = NULL, *pmask_matrix = NULL;
- int vert_stride = 4;
int nrect_max;
Bool ret = FALSE;
glamor_composite_shader *shader = NULL, *shader_ca = NULL;
@@ -1306,7 +1237,6 @@ glamor_composite_with_shader(CARD8 op,
psrc_matrix = src_matrix;
glamor_picture_get_matrixf(source, psrc_matrix);
}
- vert_stride += 4;
}
if (glamor_priv->has_mask_coords) {
@@ -1318,18 +1248,17 @@ glamor_composite_with_shader(CARD8 op,
pmask_matrix = mask_matrix;
glamor_picture_get_matrixf(mask, pmask_matrix);
}
- vert_stride += 4;
}
- nrect_max = (vert_stride * nrect) > GLAMOR_COMPOSITE_VBO_VERT_CNT ?
- (GLAMOR_COMPOSITE_VBO_VERT_CNT / vert_stride) : nrect;
+ nrect_max = MIN(nrect, GLAMOR_COMPOSITE_VBO_VERT_CNT / 4);
while (nrect) {
int mrect, rect_processed;
int vb_stride;
+ float *vertices;
mrect = nrect > nrect_max ? nrect_max : nrect;
- glamor_setup_composite_vbo(screen, mrect * vert_stride);
+ vertices = glamor_setup_composite_vbo(screen, mrect * 4);
rect_processed = mrect;
vb_stride = glamor_priv->vb_stride / sizeof(float);
while (mrect--) {
@@ -1355,9 +1284,7 @@ glamor_composite_with_shader(CARD8 op,
("dest(%d,%d) source(%d %d) mask (%d %d), width %d height %d \n",
x_dest, y_dest, x_source, y_source, x_mask, y_mask, width,
height);
- vertices = (float *) (glamor_priv->vb + glamor_priv->vbo_offset);
- assert(glamor_priv->vbo_offset <
- glamor_priv->vbo_size - glamor_priv->vb_stride);
+
glamor_set_normalize_vcoords_ext(dest_pixmap_priv, dst_xscale,
dst_yscale, x_dest, y_dest,
x_dest + width, y_dest + height,
@@ -1385,11 +1312,15 @@ glamor_composite_with_shader(CARD8 op,
y_mask + height,
glamor_priv->yInverted,
vertices, vb_stride);
+ vertices += 2;
}
glamor_priv->render_nr_verts += 4;
- glamor_priv->vbo_offset += glamor_priv->vb_stride * 4;
rects++;
+
+ /* We've incremented by one of our 4 verts, now do the other 3. */
+ vertices += 3 * vb_stride;
}
+ glamor_put_vbo_space(screen);
glamor_flush_composite_rects(screen);
nrect -= rect_processed;
if (two_pass_ca) {
@@ -1402,7 +1333,6 @@ glamor_composite_with_shader(CARD8 op,
}
}
- glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glDisableVertexAttribArray(GLAMOR_VERTEX_POS);
glDisableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 19:55:41 +0000