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glamor: Replace the immediate mode in glamor_fill() with glDrawArrays().

This commit is contained in:
Eric Anholt 2010-02-19 06:10:11 -08:00 committed by Zhigang Gong
parent 60775e21e3
commit 003dee4c82
3 changed files with 28 additions and 35 deletions
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42
glamor/glamor_fill.c
View File

@ -92,29 +92,15 @@ glamor_init_solid_shader(ScreenPtr screen)
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen); glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
const char *solid_vs_only = const char *solid_vs_only =
"uniform vec4 color;\n" "uniform vec4 color;\n"
"uniform float x_bias;\n"
"uniform float x_scale;\n"
"uniform float y_bias;\n"
"uniform float y_scale;\n"
"void main()\n" "void main()\n"
"{\n" "{\n"
" gl_Position = vec4((gl_Vertex.x + x_bias) * x_scale,\n" " gl_Position = gl_Vertex;\n"
" (gl_Vertex.y + y_bias) * y_scale,\n"
" 0,\n"
" 1);\n"
" gl_Color = color;\n" " gl_Color = color;\n"
"}\n"; "}\n";
const char *solid_vs = const char *solid_vs =
"uniform float x_bias;\n"
"uniform float x_scale;\n"
"uniform float y_bias;\n"
"uniform float y_scale;\n"
"void main()\n" "void main()\n"
"{\n" "{\n"
" gl_Position = vec4((gl_Vertex.x + x_bias) * x_scale,\n" " gl_Position = gl_Vertex;\n"
" (gl_Vertex.y + y_bias) * y_scale,\n"
" 0,\n"
" 1);\n"
"}\n"; "}\n";
const char *solid_fs = const char *solid_fs =
"uniform vec4 color;\n" "uniform vec4 color;\n"
@ -138,8 +124,6 @@ glamor_init_solid_shader(ScreenPtr screen)
glamor_priv->solid_color_uniform_location = glamor_priv->solid_color_uniform_location =
glGetUniformLocationARB(glamor_priv->solid_prog, "color"); glGetUniformLocationARB(glamor_priv->solid_prog, "color");
glamor_get_transform_uniform_locations(glamor_priv->solid_prog,
&glamor_priv->solid_transform);
} }
void void
@ -153,6 +137,7 @@ glamor_solid(PixmapPtr pixmap, int x, int y, int width, int height,
int y1 = y; int y1 = y;
int y2 = y + height; int y2 = y + height;
GLfloat color[4]; GLfloat color[4];
float vertices[4][2];
if (!glamor_set_destination_pixmap(pixmap)) if (!glamor_set_destination_pixmap(pixmap))
return; return;
@ -163,15 +148,22 @@ glamor_solid(PixmapPtr pixmap, int x, int y, int width, int height,
glUseProgramObjectARB(glamor_priv->solid_prog); glUseProgramObjectARB(glamor_priv->solid_prog);
glamor_get_color_4f_from_pixel(pixmap, fg_pixel, color); glamor_get_color_4f_from_pixel(pixmap, fg_pixel, color);
glUniform4fvARB(glamor_priv->solid_color_uniform_location, 1, color); glUniform4fvARB(glamor_priv->solid_color_uniform_location, 1, color);
glamor_set_transform_for_pixmap(pixmap, &glamor_priv->solid_transform);
glBegin(GL_TRIANGLE_FAN); glVertexPointer(2, GL_FLOAT, sizeof(float) * 2, vertices);
glVertex2f(x1, y1); glEnableClientState(GL_VERTEX_ARRAY);
glVertex2f(x1, y2);
glVertex2f(x2, y2);
glVertex2f(x2, y1);
glEnd();
vertices[0][0] = v_from_x_coord_x(pixmap, x1);
vertices[0][1] = v_from_x_coord_y(pixmap, y1);
vertices[1][0] = v_from_x_coord_x(pixmap, x2);
vertices[1][1] = v_from_x_coord_y(pixmap, y1);
vertices[2][0] = v_from_x_coord_x(pixmap, x2);
vertices[2][1] = v_from_x_coord_y(pixmap, y2);
vertices[3][0] = v_from_x_coord_x(pixmap, x1);
vertices[3][1] = v_from_x_coord_y(pixmap, y2);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glDisableClientState(GL_VERTEX_ARRAY);
glUseProgramObjectARB(0); glUseProgramObjectARB(0);
fail: fail:
glamor_set_alu(GXcopy); glamor_set_alu(GXcopy);

1
glamor/glamor_priv.h
View File

@ -150,7 +150,6 @@ typedef struct glamor_screen_private {
/* glamor_solid */ /* glamor_solid */
GLint solid_prog; GLint solid_prog;
GLint solid_color_uniform_location; GLint solid_color_uniform_location;
glamor_transform_uniforms solid_transform;
/* glamor_tile */ /* glamor_tile */
GLint tile_prog; GLint tile_prog;

18
glamor/glamor_putimage.c
View File

@ -124,12 +124,7 @@ glamor_put_image_xybitmap(DrawablePtr drawable, GCPtr gc,
RegionPtr clip; RegionPtr clip;
BoxPtr box; BoxPtr box;
int nbox; int nbox;
float dest_coords[8] = { float dest_coords[4][2];
x, y,
x + w, y,
x + w, y + h,
x, y + h,
};
const float bitmap_coords[8] = { const float bitmap_coords[8] = {
0.0, 0.0, 0.0, 0.0,
1.0, 0.0, 1.0, 0.0,
@ -137,6 +132,15 @@ glamor_put_image_xybitmap(DrawablePtr drawable, GCPtr gc,
0.0, 1.0, 0.0, 1.0,
}; };
dest_coords[0][0] = v_from_x_coord_x(pixmap, x);
dest_coords[0][1] = v_from_x_coord_y(pixmap, y);
dest_coords[1][0] = v_from_x_coord_x(pixmap, x + w);
dest_coords[1][1] = v_from_x_coord_y(pixmap, y);
dest_coords[2][0] = v_from_x_coord_x(pixmap, x + w);
dest_coords[2][1] = v_from_x_coord_y(pixmap, y + h);
dest_coords[3][0] = v_from_x_coord_x(pixmap, x);
dest_coords[3][1] = v_from_x_coord_y(pixmap, y + h);
glamor_fallback("glamor_put_image_xybitmap: disabled\n"); glamor_fallback("glamor_put_image_xybitmap: disabled\n");
goto fail; goto fail;
@ -158,8 +162,6 @@ glamor_put_image_xybitmap(DrawablePtr drawable, GCPtr gc,
glUniform4fvARB(glamor_priv->put_image_xybitmap_bg_uniform_location, glUniform4fvARB(glamor_priv->put_image_xybitmap_bg_uniform_location,
1, bg); 1, bg);
glamor_set_transform_for_pixmap(pixmap, &glamor_priv->solid_transform);
glGenTextures(1, &tex); glGenTextures(1, &tex);
glActiveTexture(GL_TEXTURE0); glActiveTexture(GL_TEXTURE0);
glEnable(GL_TEXTURE_2D); glEnable(GL_TEXTURE_2D);