ati_envmap_bumpmap-bump: New test for ATI_envmap_bumpmap.

2 files changed, 257 insertions, 0 deletions

diff --git a/tests/spec/ati_envmap_bumpmap/CMakeLists.txt b/tests/spec/ati_envmap_bumpmap/CMakeLists.txt
new file mode 100644
index 000000000..08583a02c
--- /dev/null
+++ b/tests/spec/ati_envmap_bumpmap/CMakeLists.txt
@@ -0,0 +1,23 @@
+include_directories(
+	${OPENGL_INCLUDE_PATH}
+	${GLUT_INCLUDE_DIR}
+	${piglit_SOURCE_DIR}/tests/spec/arb_color_buffer_float
+	${piglit_SOURCE_DIR}/tests/util
+	${GLEW_INCLUDE_DIR}
+)
+
+link_directories (
+	${piglit_SOURCE_DIR}/tests/spec/arb_color_buffer_float
+	${piglit_SOURCE_DIR}/tests/util
+)
+
+link_libraries (
+	piglitutil
+	${OPENGL_gl_LIBRARY}
+	${OPENGL_glu_LIBRARY}
+	${GLUT_glut_LIBRARY}
+	${TIFF_LIBRARY}
+	${GLEW_glew_LIBRARY}
+)
+
+add_executable (ati_envmap_bumpmap-bump bump.c)
diff --git a/tests/spec/ati_envmap_bumpmap/bump.c b/tests/spec/ati_envmap_bumpmap/bump.c
new file mode 100644
index 000000000..7c33d7461
--- /dev/null
+++ b/tests/spec/ati_envmap_bumpmap/bump.c
@@ -0,0 +1,234 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/** @file bump.c
+ *
+ * Test of ATI_envmap_bumpmap texture combiners.
+ */
+
+#include "piglit-framework.h"
+#include "piglit-util.h"
+
+#define TEXSIZE 32
+
+int piglit_width = TEXSIZE * 2;
+int piglit_height = TEXSIZE * 2;
+int piglit_window_mode = GLUT_RGB | GLUT_ALPHA | GLUT_DOUBLE;
+static GLenum tex_unit, bump_unit;
+
+
+GLvoid
+draw_rect_multitex(float x, float y, float w, float h,
+		   float tx, float ty, float tw, float th)
+{
+	float verts[4][4];
+	float tex[4][2];
+
+	verts[0][0] = x;
+	verts[0][1] = y;
+	verts[0][2] = 0.0;
+	verts[0][3] = 1.0;
+	tex[0][0] = tx;
+	tex[0][1] = ty;
+	verts[1][0] = x + w;
+	verts[1][1] = y;
+	verts[1][2] = 0.0;
+	verts[1][3] = 1.0;
+	tex[1][0] = tx + tw;
+	tex[1][1] = ty;
+	verts[2][0] = x + w;
+	verts[2][1] = y + h;
+	verts[2][2] = 0.0;
+	verts[2][3] = 1.0;
+	tex[2][0] = tx + tw;
+	tex[2][1] = ty + th;
+	verts[3][0] = x;
+	verts[3][1] = y + h;
+	verts[3][2] = 0.0;
+	verts[3][3] = 1.0;
+	tex[3][0] = tx;
+	tex[3][1] = ty + th;
+
+	glVertexPointer(4, GL_FLOAT, 0, verts);
+	glEnableClientState(GL_VERTEX_ARRAY);
+
+	glClientActiveTexture(GL_TEXTURE0);
+	glTexCoordPointer(2, GL_FLOAT, 0, tex);
+	glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+	glClientActiveTexture(GL_TEXTURE1);
+	glTexCoordPointer(2, GL_FLOAT, 0, tex);
+	glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+	glDrawArrays(GL_QUADS, 0, 4);
+
+	glDisableClientState(GL_VERTEX_ARRAY);
+
+	glClientActiveTexture(GL_TEXTURE0);
+	glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+
+	glClientActiveTexture(GL_TEXTURE1);
+	glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+	GLboolean pass = GL_TRUE;
+	GLuint tex, bump;
+	int x, y;
+	float bump_matrix[4] = {1.0, 0.0, 0.0, 1.0};
+	float red[4]   = {1.0, 0.0, 0.0, 1.0};
+	float green[4] = {0.0, 1.0, 0.0, 1.0};
+	float blue[4]  = {0.0, 0.0, 1.0, 1.0};
+	float white[4] = {1.0, 1.0, 1.0, 1.0};
+
+	/* First: the base texture. */
+	tex = piglit_rgbw_texture(GL_RGBA, TEXSIZE, TEXSIZE,
+				  GL_FALSE, GL_FALSE);
+	glActiveTexture(tex_unit);
+	glEnable(GL_TEXTURE_2D);
+	glBindTexture(GL_TEXTURE_2D, tex);
+
+	glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
+	glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE);
+	glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_TEXTURE);
+
+	/* Second: the bumpmap. */
+	glGenTextures(1, &bump);
+	glActiveTexture(bump_unit);
+	glEnable(GL_TEXTURE_2D);
+	glBindTexture(GL_TEXTURE_2D, bump);
+
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+	glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
+	glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_BUMP_ENVMAP_ATI);
+	glTexEnvf(GL_TEXTURE_ENV, GL_BUMP_TARGET_ATI, tex_unit);
+
+	/* The bump map we use is going to end up rotating texels CCW. */
+	float bumpdata[TEXSIZE][TEXSIZE][2];
+	for (y = 0; y < TEXSIZE; y++) {
+		for (x = 0; x < TEXSIZE; x++) {
+			if (y < TEXSIZE / 2) {
+				if (x < TEXSIZE / 2) {
+					bumpdata[y][x][0] = 0.0;
+					bumpdata[y][x][1] = 0.5;
+				} else {
+					bumpdata[y][x][0] = -0.5;
+					bumpdata[y][x][1] = 0.0;
+				}
+			} else {
+				if (x < TEXSIZE / 2) {
+					bumpdata[y][x][0] = 0.5;
+					bumpdata[y][x][1] = 0.0;
+				} else {
+					bumpdata[y][x][0] = 0.0;
+					bumpdata[y][x][1] = -0.5;
+				}
+			}
+		}
+	}
+
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_DU8DV8_ATI, TEXSIZE, TEXSIZE, 0,
+		     GL_DUDV_ATI, GL_FLOAT, bumpdata);
+
+	glTexBumpParameterfvATI(GL_BUMP_ROT_MATRIX_ATI, bump_matrix);
+
+	draw_rect_multitex(-1, -1, 2, 2,
+			   0, 0, 1, 1);
+
+	pass = pass && piglit_probe_rect_rgba(0,
+					      0,
+					      piglit_width / 2,
+					      piglit_height / 2,
+					      blue);
+	pass = pass && piglit_probe_rect_rgba(piglit_width / 2,
+					      0,
+					      piglit_width / 2,
+					      piglit_height / 2,
+					      red);
+	pass = pass && piglit_probe_rect_rgba(0,
+					      piglit_height / 2,
+					      piglit_width / 2,
+					      piglit_height / 2,
+					      white);
+	pass = pass && piglit_probe_rect_rgba(piglit_width / 2,
+					      piglit_height / 2,
+					      piglit_width / 2,
+					      piglit_height / 2,
+					      green);
+
+	glutSwapBuffers();
+
+	return pass ? PIGLIT_SUCCESS : PIGLIT_FAILURE;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+	int size, num_units, *units;
+	int i;
+	GLboolean found_unit_1;
+
+	piglit_require_extension("GL_ATI_envmap_bumpmap");
+
+	glGetTexBumpParameterivATI(GL_BUMP_ROT_MATRIX_SIZE_ATI, &size);
+	if (size < 4) {
+		printf("GL_BUMP_ROT_MATRIX_SIZE_ATI %d < 4\n", size);
+		piglit_report_result(PIGLIT_FAILURE);
+	}
+	if (size != 4) {
+		printf("What does GL_BUMP_ROT_MATRIX_SIZE_ATI = %d even mean?\n",
+		       size);
+		piglit_report_result(PIGLIT_SKIP);
+	}
+
+	glGetTexBumpParameterivATI(GL_BUMP_NUM_TEX_UNITS_ATI, &num_units);
+	if (num_units < 1) {
+		printf("GL_BUMP_NUM_TEX_UNITS_ATI %d < 4\n", num_units);
+		piglit_report_result(PIGLIT_FAILURE);
+	}
+
+	units = malloc(num_units * sizeof(GLenum));
+	glGetTexBumpParameterivATI(GL_BUMP_TEX_UNITS_ATI, units);
+	found_unit_1 = GL_FALSE;
+	for (i = 0; i < num_units; i++) {
+		if (units[i] < GL_TEXTURE0) {
+			printf("Bad unit in GL_BUMP_TEX_UNITS_ATI: 0x%x\n",
+			       units[i]);
+			piglit_report_result(PIGLIT_FAILURE);
+		}
+		if (units[i] == GL_TEXTURE1)
+			found_unit_1 = GL_TRUE;
+	}
+	free(units);
+
+	if (!found_unit_1) {
+		printf("Implementation doesn't support bumpmapping unit 1.\n");
+		piglit_report_result(PIGLIT_SKIP);
+	}
+
+	tex_unit = GL_TEXTURE0;
+	bump_unit = GL_TEXTURE1;
+}