third_party
/
virglrenderer
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

vrend: replace if-chain by using switch/case

Browse Source 
if-chains can usually not be optimized very well, switch/case might be
implemented as a jump table.

v2: Add a break in bese before default (Chia-I Wu)

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
macos/master
Gert Wollny 4 years ago
parent 46be8896a5
commit 1b51495bd1
1 changed files with 41 additions and 35 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 76
      src/vrend_renderer.c

76
src/vrend_renderer.c
Unescape View File

@ -2611,41 +2611,47 @@ int vrend_create_vertex_elements_state(struct vrend_context *ctx,
}
type = GL_FALSE;
if (desc->channel[0].type == UTIL_FORMAT_TYPE_FLOAT) {
if (desc->channel[0].size == 32)
type = GL_FLOAT;
else if (desc->channel[0].size == 64)
type = GL_DOUBLE;
else if (desc->channel[0].size == 16)
type = GL_HALF_FLOAT;
} else if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED &&
desc->channel[0].size == 8)
type = GL_UNSIGNED_BYTE;
else if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED &&
desc->channel[0].size == 8)
type = GL_BYTE;
else if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED &&
desc->channel[0].size == 16)
type = GL_UNSIGNED_SHORT;
else if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED &&
desc->channel[0].size == 16)
type = GL_SHORT;
else if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED &&
desc->channel[0].size == 32)
type = GL_UNSIGNED_INT;
else if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED &&
desc->channel[0].size == 32)
type = GL_INT;
else if (elements[i].src_format == PIPE_FORMAT_R10G10B10A2_SSCALED ||
elements[i].src_format == PIPE_FORMAT_R10G10B10A2_SNORM ||
elements[i].src_format == PIPE_FORMAT_B10G10R10A2_SNORM)
type = GL_INT_2_10_10_10_REV;
else if (elements[i].src_format == PIPE_FORMAT_R10G10B10A2_USCALED ||
elements[i].src_format == PIPE_FORMAT_R10G10B10A2_UNORM ||
elements[i].src_format == PIPE_FORMAT_B10G10R10A2_UNORM)
type = GL_UNSIGNED_INT_2_10_10_10_REV;
else if (elements[i].src_format == PIPE_FORMAT_R11G11B10_FLOAT)
type = GL_UNSIGNED_INT_10F_11F_11F_REV;
switch (desc->channel[0].type) {
case UTIL_FORMAT_TYPE_FLOAT:
switch (desc->channel[0].size) {
case 16: type = GL_HALF_FLOAT; break;
case 32: type = GL_FLOAT; break;
case 64: type = GL_DOUBLE; break;
}
break;
case UTIL_FORMAT_TYPE_UNSIGNED:
switch (desc->channel[0].size) {
case 8: type = GL_UNSIGNED_BYTE; break;
case 16: type = GL_UNSIGNED_SHORT; break;
case 32: type = GL_UNSIGNED_INT; break;
}
break;
case UTIL_FORMAT_TYPE_SIGNED:
switch (desc->channel[0].size) {
case 8: type = GL_BYTE; break;
case 16: type = GL_SHORT; break;
case 32: type = GL_INT; break;
}
break;
default:
switch (elements[i].src_format) {
case PIPE_FORMAT_R10G10B10A2_SSCALED:
case PIPE_FORMAT_R10G10B10A2_SNORM:
case PIPE_FORMAT_B10G10R10A2_SNORM:
type = GL_INT_2_10_10_10_REV;
break;
case PIPE_FORMAT_R10G10B10A2_USCALED:
case PIPE_FORMAT_R10G10B10A2_UNORM:
case PIPE_FORMAT_B10G10R10A2_UNORM:
type = GL_UNSIGNED_INT_2_10_10_10_REV;
break;
case PIPE_FORMAT_R11G11B10_FLOAT:
type = GL_UNSIGNED_INT_10F_11F_11F_REV;
break;
default:
;
}
}
if (type == GL_FALSE) {
vrend_report_context_error(ctx, VIRGL_ERROR_CTX_ILLEGAL_VERTEX_FORMAT, elements[i].src_format);

Write Preview
Loading…
Cancel
Save